./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fc71ae13b1bed24e074eb2de07c8f2064aa903343708c3aabf1b928078c9e7f6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:20:18,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:20:18,844 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-27 23:20:18,851 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:20:18,851 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:20:18,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:20:18,898 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:20:18,898 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:20:18,899 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:20:18,899 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:20:18,899 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:20:18,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:20:18,900 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:20:18,900 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:20:18,900 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:20:18,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:20:18,900 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:20:18,901 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:20:18,901 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:20:18,901 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:20:18,901 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:20:18,901 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:20:18,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:20:18,902 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:20:18,902 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-27 23:20:18,902 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 23:20:18,902 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:20:18,902 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:20:18,902 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:20:18,902 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:20:18,903 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:20:18,903 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:20:18,903 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:20:18,903 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:20:18,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:20:18,903 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:20:18,904 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:20:18,904 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:20:18,904 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:20:18,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:20:18,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:20:18,904 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:20:18,904 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:20:18,905 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:20:18,905 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:20:18,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:20:18,905 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:20:18,905 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:20:18,905 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:20:18,905 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:20:18,906 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc71ae13b1bed24e074eb2de07c8f2064aa903343708c3aabf1b928078c9e7f6 [2024-11-27 23:20:19,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:20:19,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:20:19,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:20:19,306 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:20:19,307 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:20:19,309 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound50.c [2024-11-27 23:20:22,495 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/data/fd59d14fb/82527f4bf1194aa7ad0bdacf47d6fe7a/FLAGbecb1a195 [2024-11-27 23:20:22,867 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:20:22,869 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound50.c [2024-11-27 23:20:22,881 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/data/fd59d14fb/82527f4bf1194aa7ad0bdacf47d6fe7a/FLAGbecb1a195 [2024-11-27 23:20:23,092 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/data/fd59d14fb/82527f4bf1194aa7ad0bdacf47d6fe7a [2024-11-27 23:20:23,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:20:23,099 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:20:23,101 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:20:23,101 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:20:23,107 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:20:23,108 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:23" (1/1) ... [2024-11-27 23:20:23,112 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@613707d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:23, skipping insertion in model container [2024-11-27 23:20:23,112 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:23" (1/1) ... [2024-11-27 23:20:23,137 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:20:23,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:20:23,348 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:20:23,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:20:23,391 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:20:23,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:23 WrapperNode [2024-11-27 23:20:23,392 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:20:23,393 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:20:23,393 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:20:23,393 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:20:23,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:23" (1/1) ... [2024-11-27 23:20:23,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:23" (1/1) ... [2024-11-27 23:20:23,430 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 147 [2024-11-27 23:20:23,431 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:20:23,431 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:20:23,432 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:20:23,432 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:20:23,441 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:23" (1/1) ... [2024-11-27 23:20:23,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:23" (1/1) ... [2024-11-27 23:20:23,444 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:23" (1/1) ... [2024-11-27 23:20:23,457 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-27 23:20:23,457 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:23" (1/1) ... [2024-11-27 23:20:23,457 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:23" (1/1) ... [2024-11-27 23:20:23,461 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:23" (1/1) ... [2024-11-27 23:20:23,462 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:23" (1/1) ... [2024-11-27 23:20:23,466 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:23" (1/1) ... [2024-11-27 23:20:23,467 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:23" (1/1) ... [2024-11-27 23:20:23,468 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:23" (1/1) ... [2024-11-27 23:20:23,470 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:20:23,471 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:20:23,471 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:20:23,471 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:20:23,472 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:23" (1/1) ... [2024-11-27 23:20:23,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:20:23,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:20:23,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:20:23,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:20:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:20:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 23:20:23,546 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 23:20:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 23:20:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:20:23,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:20:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-27 23:20:23,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-27 23:20:23,625 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:20:23,628 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:20:24,527 INFO L? ?]: Removed 196 outVars from TransFormulas that were not future-live. [2024-11-27 23:20:24,527 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:20:24,542 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:20:24,542 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-27 23:20:24,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:20:24 BoogieIcfgContainer [2024-11-27 23:20:24,543 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:20:24,545 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:20:24,546 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:20:24,551 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:20:24,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:20:23" (1/3) ... [2024-11-27 23:20:24,552 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@527563dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:20:24, skipping insertion in model container [2024-11-27 23:20:24,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:23" (2/3) ... [2024-11-27 23:20:24,553 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@527563dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:20:24, skipping insertion in model container [2024-11-27 23:20:24,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:20:24" (3/3) ... [2024-11-27 23:20:24,554 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd2-ll_valuebound50.c [2024-11-27 23:20:24,571 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:20:24,574 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd2-ll_valuebound50.c that has 3 procedures, 161 locations, 1 initial locations, 2 loop locations, and 64 error locations. [2024-11-27 23:20:24,657 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:20:24,672 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@77235824, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:20:24,672 INFO L334 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2024-11-27 23:20:24,678 INFO L276 IsEmpty]: Start isEmpty. Operand has 161 states, 82 states have (on average 1.8780487804878048) internal successors, (154), 147 states have internal predecessors, (154), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:20:24,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-27 23:20:24,687 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:24,687 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:24,688 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:20:24,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:24,695 INFO L85 PathProgramCache]: Analyzing trace with hash 136611064, now seen corresponding path program 1 times [2024-11-27 23:20:24,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:24,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528290802] [2024-11-27 23:20:24,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:24,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:24,878 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-27 23:20:24,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:24,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528290802] [2024-11-27 23:20:24,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528290802] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:20:24,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817131299] [2024-11-27 23:20:24,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:24,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:24,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:20:24,888 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:20:24,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 23:20:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:24,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 23:20:24,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:20:25,011 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-27 23:20:25,011 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:20:25,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817131299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:25,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:20:25,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 23:20:25,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204254299] [2024-11-27 23:20:25,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:25,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 23:20:25,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:25,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 23:20:25,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:20:25,051 INFO L87 Difference]: Start difference. First operand has 161 states, 82 states have (on average 1.8780487804878048) internal successors, (154), 147 states have internal predecessors, (154), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-27 23:20:25,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:25,100 INFO L93 Difference]: Finished difference Result 317 states and 363 transitions. [2024-11-27 23:20:25,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 23:20:25,104 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2024-11-27 23:20:25,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:25,114 INFO L225 Difference]: With dead ends: 317 [2024-11-27 23:20:25,115 INFO L226 Difference]: Without dead ends: 153 [2024-11-27 23:20:25,120 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:20:25,124 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:25,125 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:20:25,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-27 23:20:25,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2024-11-27 23:20:25,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 77 states have (on average 1.8311688311688312) internal successors, (141), 140 states have internal predecessors, (141), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-27 23:20:25,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 163 transitions. [2024-11-27 23:20:25,198 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 163 transitions. Word has length 25 [2024-11-27 23:20:25,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:25,199 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 163 transitions. [2024-11-27 23:20:25,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-27 23:20:25,199 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 163 transitions. [2024-11-27 23:20:25,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-27 23:20:25,200 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:25,201 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:25,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 23:20:25,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 23:20:25,402 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:20:25,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:25,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1111730756, now seen corresponding path program 1 times [2024-11-27 23:20:25,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:25,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633016791] [2024-11-27 23:20:25,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:25,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:20:25,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1740490255] [2024-11-27 23:20:25,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:25,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:25,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:20:25,466 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:20:25,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 23:20:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:25,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 23:20:25,530 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:20:25,721 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-27 23:20:25,721 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:20:25,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:25,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633016791] [2024-11-27 23:20:25,722 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:20:25,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740490255] [2024-11-27 23:20:25,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740490255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:25,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:20:25,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:20:25,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56256802] [2024-11-27 23:20:25,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:25,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:20:25,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:25,724 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:20:25,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:20:25,729 INFO L87 Difference]: Start difference. First operand 153 states and 163 transitions. Second operand has 7 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-27 23:20:26,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:26,241 INFO L93 Difference]: Finished difference Result 153 states and 163 transitions. [2024-11-27 23:20:26,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:20:26,241 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 25 [2024-11-27 23:20:26,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:26,243 INFO L225 Difference]: With dead ends: 153 [2024-11-27 23:20:26,243 INFO L226 Difference]: Without dead ends: 151 [2024-11-27 23:20:26,244 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:20:26,244 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 102 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:26,245 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 238 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:20:26,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-27 23:20:26,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2024-11-27 23:20:26,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 77 states have (on average 1.8051948051948052) internal successors, (139), 138 states have internal predecessors, (139), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-27 23:20:26,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 161 transitions. [2024-11-27 23:20:26,258 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 161 transitions. Word has length 25 [2024-11-27 23:20:26,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:26,259 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 161 transitions. [2024-11-27 23:20:26,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-27 23:20:26,259 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 161 transitions. [2024-11-27 23:20:26,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-27 23:20:26,260 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:26,260 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:26,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 23:20:26,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:26,465 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:20:26,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:26,466 INFO L85 PathProgramCache]: Analyzing trace with hash -103915026, now seen corresponding path program 1 times [2024-11-27 23:20:26,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:26,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981297258] [2024-11-27 23:20:26,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:26,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:20:26,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [726883148] [2024-11-27 23:20:26,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:26,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:26,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:20:26,498 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:20:26,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 23:20:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:26,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 23:20:26,568 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:20:26,741 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-27 23:20:26,741 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:20:27,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:27,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981297258] [2024-11-27 23:20:27,063 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:20:27,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726883148] [2024-11-27 23:20:27,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726883148] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:20:27,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:20:27,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-27 23:20:27,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354530189] [2024-11-27 23:20:27,064 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:20:27,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:20:27,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:27,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:20:27,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:20:27,065 INFO L87 Difference]: Start difference. First operand 151 states and 161 transitions. Second operand has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-27 23:20:27,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:27,529 INFO L93 Difference]: Finished difference Result 151 states and 161 transitions. [2024-11-27 23:20:27,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:20:27,530 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 26 [2024-11-27 23:20:27,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:27,532 INFO L225 Difference]: With dead ends: 151 [2024-11-27 23:20:27,532 INFO L226 Difference]: Without dead ends: 150 [2024-11-27 23:20:27,532 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:20:27,533 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 190 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:27,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 238 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:20:27,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-27 23:20:27,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2024-11-27 23:20:27,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 77 states have (on average 1.7922077922077921) internal successors, (138), 137 states have internal predecessors, (138), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-27 23:20:27,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 160 transitions. [2024-11-27 23:20:27,554 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 160 transitions. Word has length 26 [2024-11-27 23:20:27,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:27,554 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 160 transitions. [2024-11-27 23:20:27,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-27 23:20:27,554 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 160 transitions. [2024-11-27 23:20:27,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-27 23:20:27,555 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:27,556 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:27,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-27 23:20:27,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:27,760 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:20:27,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:27,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1012015952, now seen corresponding path program 1 times [2024-11-27 23:20:27,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:27,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535500419] [2024-11-27 23:20:27,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:27,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:28,116 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-27 23:20:28,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:28,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535500419] [2024-11-27 23:20:28,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535500419] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:20:28,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557075693] [2024-11-27 23:20:28,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:28,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:28,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:20:28,119 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:20:28,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 23:20:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:28,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:20:28,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:20:28,203 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 23:20:28,203 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:20:28,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557075693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:28,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:20:28,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-11-27 23:20:28,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544521538] [2024-11-27 23:20:28,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:28,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:20:28,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:28,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:20:28,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:20:28,206 INFO L87 Difference]: Start difference. First operand 150 states and 160 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-27 23:20:28,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:28,571 INFO L93 Difference]: Finished difference Result 254 states and 286 transitions. [2024-11-27 23:20:28,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:20:28,573 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2024-11-27 23:20:28,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:28,575 INFO L225 Difference]: With dead ends: 254 [2024-11-27 23:20:28,576 INFO L226 Difference]: Without dead ends: 244 [2024-11-27 23:20:28,577 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:20:28,580 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 88 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:28,580 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 216 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:20:28,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-27 23:20:28,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 201. [2024-11-27 23:20:28,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 124 states have (on average 1.782258064516129) internal successors, (221), 183 states have internal predecessors, (221), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-27 23:20:28,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 251 transitions. [2024-11-27 23:20:28,599 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 251 transitions. Word has length 40 [2024-11-27 23:20:28,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:28,599 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 251 transitions. [2024-11-27 23:20:28,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-27 23:20:28,600 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 251 transitions. [2024-11-27 23:20:28,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-27 23:20:28,601 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:28,601 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:28,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 23:20:28,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:28,805 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:20:28,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:28,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1012016002, now seen corresponding path program 1 times [2024-11-27 23:20:28,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:28,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743376487] [2024-11-27 23:20:28,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:28,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:20:28,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [930035149] [2024-11-27 23:20:28,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:28,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:28,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:20:28,835 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:20:28,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 23:20:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:28,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:20:28,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:20:28,934 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 23:20:28,934 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:20:28,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:28,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743376487] [2024-11-27 23:20:28,934 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:20:28,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930035149] [2024-11-27 23:20:28,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930035149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:28,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:20:28,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:20:28,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009879865] [2024-11-27 23:20:28,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:28,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:20:28,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:28,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:20:28,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:20:28,937 INFO L87 Difference]: Start difference. First operand 201 states and 251 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-27 23:20:29,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:29,057 INFO L93 Difference]: Finished difference Result 345 states and 445 transitions. [2024-11-27 23:20:29,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:20:29,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 40 [2024-11-27 23:20:29,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:29,061 INFO L225 Difference]: With dead ends: 345 [2024-11-27 23:20:29,062 INFO L226 Difference]: Without dead ends: 337 [2024-11-27 23:20:29,063 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:20:29,064 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 83 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:29,064 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 270 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:20:29,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-27 23:20:29,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 298. [2024-11-27 23:20:29,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 213 states have (on average 1.784037558685446) internal successors, (380), 272 states have internal predecessors, (380), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:20:29,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 426 transitions. [2024-11-27 23:20:29,131 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 426 transitions. Word has length 40 [2024-11-27 23:20:29,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:29,131 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 426 transitions. [2024-11-27 23:20:29,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-27 23:20:29,131 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 426 transitions. [2024-11-27 23:20:29,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-27 23:20:29,132 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:29,132 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:29,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-27 23:20:29,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:29,333 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:20:29,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:29,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1884715054, now seen corresponding path program 1 times [2024-11-27 23:20:29,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:29,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669934475] [2024-11-27 23:20:29,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:29,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:29,620 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-27 23:20:29,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:29,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669934475] [2024-11-27 23:20:29,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669934475] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:20:29,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301283288] [2024-11-27 23:20:29,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:29,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:29,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:20:29,623 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:20:29,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 23:20:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:29,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:20:29,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:20:29,824 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 23:20:29,825 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:20:29,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301283288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:29,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:20:29,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-27 23:20:29,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532091911] [2024-11-27 23:20:29,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:29,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:20:29,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:29,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:20:29,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:20:29,827 INFO L87 Difference]: Start difference. First operand 298 states and 426 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-27 23:20:30,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:30,321 INFO L93 Difference]: Finished difference Result 317 states and 448 transitions. [2024-11-27 23:20:30,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:20:30,322 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2024-11-27 23:20:30,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:30,324 INFO L225 Difference]: With dead ends: 317 [2024-11-27 23:20:30,325 INFO L226 Difference]: Without dead ends: 316 [2024-11-27 23:20:30,325 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:20:30,326 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 58 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:30,326 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 197 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:20:30,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-11-27 23:20:30,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 299. [2024-11-27 23:20:30,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 214 states have (on average 1.780373831775701) internal successors, (381), 273 states have internal predecessors, (381), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:20:30,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 427 transitions. [2024-11-27 23:20:30,366 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 427 transitions. Word has length 42 [2024-11-27 23:20:30,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:30,367 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 427 transitions. [2024-11-27 23:20:30,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-27 23:20:30,367 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 427 transitions. [2024-11-27 23:20:30,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-27 23:20:30,370 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:30,370 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:30,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-27 23:20:30,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-27 23:20:30,574 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:20:30,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:30,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1884766688, now seen corresponding path program 1 times [2024-11-27 23:20:30,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:30,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824648936] [2024-11-27 23:20:30,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:30,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:30,870 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-27 23:20:30,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:30,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824648936] [2024-11-27 23:20:30,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824648936] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:20:30,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551694335] [2024-11-27 23:20:30,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:30,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:30,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:20:30,875 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:20:30,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 23:20:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:30,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 23:20:30,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:20:31,066 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 23:20:31,066 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:20:31,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551694335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:31,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:20:31,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-27 23:20:31,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821740389] [2024-11-27 23:20:31,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:31,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:20:31,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:31,068 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:20:31,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:20:31,068 INFO L87 Difference]: Start difference. First operand 299 states and 427 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-27 23:20:31,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:31,835 INFO L93 Difference]: Finished difference Result 380 states and 447 transitions. [2024-11-27 23:20:31,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:20:31,836 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2024-11-27 23:20:31,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:31,838 INFO L225 Difference]: With dead ends: 380 [2024-11-27 23:20:31,838 INFO L226 Difference]: Without dead ends: 379 [2024-11-27 23:20:31,839 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-27 23:20:31,839 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 453 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:31,843 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 285 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 23:20:31,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-11-27 23:20:31,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 299. [2024-11-27 23:20:31,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 214 states have (on average 1.7757009345794392) internal successors, (380), 273 states have internal predecessors, (380), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:20:31,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 426 transitions. [2024-11-27 23:20:31,880 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 426 transitions. Word has length 42 [2024-11-27 23:20:31,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:31,881 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 426 transitions. [2024-11-27 23:20:31,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-27 23:20:31,881 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 426 transitions. [2024-11-27 23:20:31,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-27 23:20:31,884 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:31,884 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:31,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-27 23:20:32,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-27 23:20:32,085 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:20:32,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:32,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1703375659, now seen corresponding path program 1 times [2024-11-27 23:20:32,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:32,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176874267] [2024-11-27 23:20:32,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:32,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:32,256 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-27 23:20:32,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:32,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176874267] [2024-11-27 23:20:32,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176874267] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:20:32,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612408708] [2024-11-27 23:20:32,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:32,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:32,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:20:32,259 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:20:32,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 23:20:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:32,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:20:32,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:20:32,439 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 23:20:32,441 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:20:32,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612408708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:32,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:20:32,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-27 23:20:32,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011408754] [2024-11-27 23:20:32,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:32,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:20:32,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:32,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:20:32,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:20:32,443 INFO L87 Difference]: Start difference. First operand 299 states and 426 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-27 23:20:32,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:32,981 INFO L93 Difference]: Finished difference Result 317 states and 446 transitions. [2024-11-27 23:20:32,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:20:32,982 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2024-11-27 23:20:32,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:32,985 INFO L225 Difference]: With dead ends: 317 [2024-11-27 23:20:32,985 INFO L226 Difference]: Without dead ends: 316 [2024-11-27 23:20:32,985 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:20:32,986 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 57 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:32,986 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 198 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:20:32,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-11-27 23:20:33,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 300. [2024-11-27 23:20:33,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 215 states have (on average 1.7720930232558139) internal successors, (381), 274 states have internal predecessors, (381), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:20:33,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 427 transitions. [2024-11-27 23:20:33,016 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 427 transitions. Word has length 43 [2024-11-27 23:20:33,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:33,017 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 427 transitions. [2024-11-27 23:20:33,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-27 23:20:33,017 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 427 transitions. [2024-11-27 23:20:33,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-27 23:20:33,018 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:33,018 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:33,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-27 23:20:33,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:33,219 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:20:33,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:33,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1701774893, now seen corresponding path program 1 times [2024-11-27 23:20:33,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:33,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908805034] [2024-11-27 23:20:33,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:33,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:20:33,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1022865246] [2024-11-27 23:20:33,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:33,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:33,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:20:33,238 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:20:33,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 23:20:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:33,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 23:20:33,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:20:33,382 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 23:20:33,382 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:20:33,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:33,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908805034] [2024-11-27 23:20:33,383 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:20:33,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022865246] [2024-11-27 23:20:33,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022865246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:33,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:20:33,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:20:33,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883153611] [2024-11-27 23:20:33,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:33,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:20:33,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:33,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:20:33,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:20:33,385 INFO L87 Difference]: Start difference. First operand 300 states and 427 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-27 23:20:33,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:33,993 INFO L93 Difference]: Finished difference Result 379 states and 445 transitions. [2024-11-27 23:20:33,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:20:33,997 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2024-11-27 23:20:33,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:34,000 INFO L225 Difference]: With dead ends: 379 [2024-11-27 23:20:34,000 INFO L226 Difference]: Without dead ends: 378 [2024-11-27 23:20:34,000 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:20:34,001 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 428 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:34,001 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 300 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:20:34,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-27 23:20:34,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 300. [2024-11-27 23:20:34,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 215 states have (on average 1.7674418604651163) internal successors, (380), 274 states have internal predecessors, (380), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:20:34,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 426 transitions. [2024-11-27 23:20:34,034 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 426 transitions. Word has length 43 [2024-11-27 23:20:34,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:34,034 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 426 transitions. [2024-11-27 23:20:34,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-27 23:20:34,035 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 426 transitions. [2024-11-27 23:20:34,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-27 23:20:34,036 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:34,036 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:34,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-27 23:20:34,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:34,237 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:20:34,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:34,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1265038068, now seen corresponding path program 1 times [2024-11-27 23:20:34,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:34,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888562209] [2024-11-27 23:20:34,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:34,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:34,353 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-27 23:20:34,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:34,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888562209] [2024-11-27 23:20:34,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888562209] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:20:34,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092484066] [2024-11-27 23:20:34,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:34,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:34,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:20:34,358 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:20:34,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 23:20:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:34,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:20:34,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:20:34,476 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 23:20:34,477 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:20:34,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092484066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:34,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:20:34,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-27 23:20:34,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789688441] [2024-11-27 23:20:34,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:34,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:20:34,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:34,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:20:34,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:20:34,480 INFO L87 Difference]: Start difference. First operand 300 states and 426 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-27 23:20:34,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:34,936 INFO L93 Difference]: Finished difference Result 349 states and 454 transitions. [2024-11-27 23:20:34,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:20:34,936 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2024-11-27 23:20:34,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:34,938 INFO L225 Difference]: With dead ends: 349 [2024-11-27 23:20:34,938 INFO L226 Difference]: Without dead ends: 345 [2024-11-27 23:20:34,939 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:20:34,940 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 145 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:34,940 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 221 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:20:34,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-27 23:20:34,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 301. [2024-11-27 23:20:34,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 216 states have (on average 1.7407407407407407) internal successors, (376), 275 states have internal predecessors, (376), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:20:34,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 422 transitions. [2024-11-27 23:20:34,960 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 422 transitions. Word has length 44 [2024-11-27 23:20:34,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:34,960 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 422 transitions. [2024-11-27 23:20:34,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-27 23:20:34,960 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 422 transitions. [2024-11-27 23:20:34,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-27 23:20:34,961 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:34,961 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:34,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-27 23:20:35,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:35,165 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:20:35,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:35,166 INFO L85 PathProgramCache]: Analyzing trace with hash 561474637, now seen corresponding path program 1 times [2024-11-27 23:20:35,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:35,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5374720] [2024-11-27 23:20:35,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:35,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:35,290 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-27 23:20:35,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:35,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5374720] [2024-11-27 23:20:35,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5374720] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:20:35,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243899385] [2024-11-27 23:20:35,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:35,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:35,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:20:35,293 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:20:35,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-27 23:20:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:35,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:20:35,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:20:35,459 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 23:20:35,459 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:20:35,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243899385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:35,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:20:35,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-27 23:20:35,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566363057] [2024-11-27 23:20:35,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:35,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:20:35,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:35,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:20:35,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:20:35,460 INFO L87 Difference]: Start difference. First operand 301 states and 422 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-27 23:20:36,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:36,122 INFO L93 Difference]: Finished difference Result 348 states and 448 transitions. [2024-11-27 23:20:36,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:20:36,123 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 45 [2024-11-27 23:20:36,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:36,125 INFO L225 Difference]: With dead ends: 348 [2024-11-27 23:20:36,125 INFO L226 Difference]: Without dead ends: 344 [2024-11-27 23:20:36,125 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:20:36,126 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 142 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:36,126 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 227 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 23:20:36,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-27 23:20:36,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 302. [2024-11-27 23:20:36,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.7142857142857142) internal successors, (372), 276 states have internal predecessors, (372), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:20:36,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 418 transitions. [2024-11-27 23:20:36,144 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 418 transitions. Word has length 45 [2024-11-27 23:20:36,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:36,145 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 418 transitions. [2024-11-27 23:20:36,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-27 23:20:36,145 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 418 transitions. [2024-11-27 23:20:36,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-27 23:20:36,146 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:36,146 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:36,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-27 23:20:36,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:36,347 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:20:36,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:36,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1259260686, now seen corresponding path program 1 times [2024-11-27 23:20:36,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:36,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919478590] [2024-11-27 23:20:36,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:36,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:20:36,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [112279721] [2024-11-27 23:20:36,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:36,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:36,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:20:36,368 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:20:36,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-27 23:20:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:36,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:20:36,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:20:36,468 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 23:20:36,468 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:20:36,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:36,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919478590] [2024-11-27 23:20:36,469 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:20:36,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112279721] [2024-11-27 23:20:36,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112279721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:36,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:20:36,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:20:36,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721982662] [2024-11-27 23:20:36,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:36,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:20:36,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:36,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:20:36,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:20:36,470 INFO L87 Difference]: Start difference. First operand 302 states and 418 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 23:20:36,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:36,553 INFO L93 Difference]: Finished difference Result 350 states and 442 transitions. [2024-11-27 23:20:36,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:20:36,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 49 [2024-11-27 23:20:36,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:36,556 INFO L225 Difference]: With dead ends: 350 [2024-11-27 23:20:36,556 INFO L226 Difference]: Without dead ends: 346 [2024-11-27 23:20:36,556 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:20:36,557 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 84 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:36,557 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 284 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:20:36,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-27 23:20:36,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 307. [2024-11-27 23:20:36,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 221 states have (on average 1.6923076923076923) internal successors, (374), 280 states have internal predecessors, (374), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 23:20:36,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 422 transitions. [2024-11-27 23:20:36,576 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 422 transitions. Word has length 49 [2024-11-27 23:20:36,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:36,576 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 422 transitions. [2024-11-27 23:20:36,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 23:20:36,576 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 422 transitions. [2024-11-27 23:20:36,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-27 23:20:36,577 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:36,577 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:36,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-27 23:20:36,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:36,778 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:20:36,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:36,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1325184650, now seen corresponding path program 1 times [2024-11-27 23:20:36,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:36,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000318770] [2024-11-27 23:20:36,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:36,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:36,875 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-27 23:20:36,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:36,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000318770] [2024-11-27 23:20:36,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000318770] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:20:36,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227955592] [2024-11-27 23:20:36,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:36,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:36,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:20:36,878 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:20:36,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-27 23:20:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:36,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:20:36,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:20:37,029 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 23:20:37,030 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:20:37,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227955592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:37,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:20:37,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-27 23:20:37,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7208129] [2024-11-27 23:20:37,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:37,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:20:37,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:37,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:20:37,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:20:37,032 INFO L87 Difference]: Start difference. First operand 307 states and 422 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 23:20:37,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:37,384 INFO L93 Difference]: Finished difference Result 328 states and 426 transitions. [2024-11-27 23:20:37,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:20:37,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 51 [2024-11-27 23:20:37,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:37,388 INFO L225 Difference]: With dead ends: 328 [2024-11-27 23:20:37,388 INFO L226 Difference]: Without dead ends: 326 [2024-11-27 23:20:37,388 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:20:37,389 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 163 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:37,389 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 214 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:20:37,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-11-27 23:20:37,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 307. [2024-11-27 23:20:37,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 221 states have (on average 1.6787330316742082) internal successors, (371), 280 states have internal predecessors, (371), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 23:20:37,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 419 transitions. [2024-11-27 23:20:37,423 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 419 transitions. Word has length 51 [2024-11-27 23:20:37,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:37,423 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 419 transitions. [2024-11-27 23:20:37,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 23:20:37,423 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 419 transitions. [2024-11-27 23:20:37,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-27 23:20:37,424 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:37,424 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:37,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-27 23:20:37,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-27 23:20:37,629 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:20:37,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:37,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1868949008, now seen corresponding path program 1 times [2024-11-27 23:20:37,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:37,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212946637] [2024-11-27 23:20:37,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:37,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:37,733 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-27 23:20:37,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:37,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212946637] [2024-11-27 23:20:37,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212946637] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:20:37,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140316525] [2024-11-27 23:20:37,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:37,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:37,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:20:37,736 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:20:37,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-27 23:20:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:37,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:20:37,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:20:37,907 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 23:20:37,907 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:20:37,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1140316525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:37,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:20:37,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-27 23:20:37,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084075309] [2024-11-27 23:20:37,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:37,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:20:37,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:37,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:20:37,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:20:37,909 INFO L87 Difference]: Start difference. First operand 307 states and 419 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 23:20:38,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:38,170 INFO L93 Difference]: Finished difference Result 328 states and 423 transitions. [2024-11-27 23:20:38,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:20:38,171 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 52 [2024-11-27 23:20:38,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:38,174 INFO L225 Difference]: With dead ends: 328 [2024-11-27 23:20:38,175 INFO L226 Difference]: Without dead ends: 326 [2024-11-27 23:20:38,176 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:20:38,176 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 225 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:38,177 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 196 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:20:38,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-11-27 23:20:38,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 307. [2024-11-27 23:20:38,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 221 states have (on average 1.665158371040724) internal successors, (368), 280 states have internal predecessors, (368), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 23:20:38,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 416 transitions. [2024-11-27 23:20:38,199 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 416 transitions. Word has length 52 [2024-11-27 23:20:38,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:38,200 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 416 transitions. [2024-11-27 23:20:38,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 23:20:38,200 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 416 transitions. [2024-11-27 23:20:38,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-27 23:20:38,200 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:38,201 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:38,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-27 23:20:38,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:38,402 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:20:38,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:38,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1095763850, now seen corresponding path program 1 times [2024-11-27 23:20:38,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:38,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543117556] [2024-11-27 23:20:38,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:38,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:20:38,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1823298913] [2024-11-27 23:20:38,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:38,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:38,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:20:38,427 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:20:38,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-27 23:20:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:38,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:20:38,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:20:38,546 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 23:20:38,546 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:20:38,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:38,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543117556] [2024-11-27 23:20:38,546 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:20:38,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823298913] [2024-11-27 23:20:38,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823298913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:38,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:20:38,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:20:38,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650119856] [2024-11-27 23:20:38,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:38,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:20:38,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:38,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:20:38,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:20:38,548 INFO L87 Difference]: Start difference. First operand 307 states and 416 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 23:20:38,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:38,765 INFO L93 Difference]: Finished difference Result 344 states and 430 transitions. [2024-11-27 23:20:38,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:20:38,767 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2024-11-27 23:20:38,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:38,769 INFO L225 Difference]: With dead ends: 344 [2024-11-27 23:20:38,769 INFO L226 Difference]: Without dead ends: 342 [2024-11-27 23:20:38,771 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:20:38,772 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 136 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:38,772 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 283 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:20:38,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-11-27 23:20:38,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 308. [2024-11-27 23:20:38,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 222 states have (on average 1.6531531531531531) internal successors, (367), 281 states have internal predecessors, (367), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 23:20:38,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 415 transitions. [2024-11-27 23:20:38,797 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 415 transitions. Word has length 53 [2024-11-27 23:20:38,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:38,798 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 415 transitions. [2024-11-27 23:20:38,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 23:20:38,798 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 415 transitions. [2024-11-27 23:20:38,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-27 23:20:38,799 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:38,799 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:38,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-27 23:20:38,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:39,000 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:20:39,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:39,000 INFO L85 PathProgramCache]: Analyzing trace with hash 391059108, now seen corresponding path program 1 times [2024-11-27 23:20:39,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:39,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309234217] [2024-11-27 23:20:39,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:39,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:20:39,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [384704470] [2024-11-27 23:20:39,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:39,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:39,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:20:39,016 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:20:39,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-27 23:20:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:39,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:20:39,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:20:39,124 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 23:20:39,124 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:20:39,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:39,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309234217] [2024-11-27 23:20:39,125 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:20:39,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384704470] [2024-11-27 23:20:39,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384704470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:39,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:20:39,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:20:39,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523647170] [2024-11-27 23:20:39,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:39,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:20:39,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:39,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:20:39,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:20:39,127 INFO L87 Difference]: Start difference. First operand 308 states and 415 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 23:20:39,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:39,426 INFO L93 Difference]: Finished difference Result 344 states and 427 transitions. [2024-11-27 23:20:39,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:20:39,426 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 54 [2024-11-27 23:20:39,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:39,428 INFO L225 Difference]: With dead ends: 344 [2024-11-27 23:20:39,428 INFO L226 Difference]: Without dead ends: 329 [2024-11-27 23:20:39,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:20:39,429 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 134 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:39,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 287 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:20:39,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-11-27 23:20:39,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 296. [2024-11-27 23:20:39,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 211 states have (on average 1.6729857819905214) internal successors, (353), 270 states have internal predecessors, (353), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:20:39,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 399 transitions. [2024-11-27 23:20:39,449 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 399 transitions. Word has length 54 [2024-11-27 23:20:39,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:39,450 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 399 transitions. [2024-11-27 23:20:39,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 23:20:39,450 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 399 transitions. [2024-11-27 23:20:39,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-27 23:20:39,451 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:39,451 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:39,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-27 23:20:39,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:39,652 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:20:39,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:39,652 INFO L85 PathProgramCache]: Analyzing trace with hash 299559188, now seen corresponding path program 1 times [2024-11-27 23:20:39,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:39,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188517765] [2024-11-27 23:20:39,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:39,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:20:39,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [403138010] [2024-11-27 23:20:39,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:39,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:39,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:20:39,683 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:20:39,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-27 23:20:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:39,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:20:39,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:20:39,884 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 23:20:39,884 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:20:39,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:39,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188517765] [2024-11-27 23:20:39,884 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:20:39,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403138010] [2024-11-27 23:20:39,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403138010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:39,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:20:39,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:20:39,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765770986] [2024-11-27 23:20:39,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:39,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:20:39,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:39,886 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:20:39,886 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:20:39,886 INFO L87 Difference]: Start difference. First operand 296 states and 399 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-27 23:20:40,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:40,299 INFO L93 Difference]: Finished difference Result 320 states and 420 transitions. [2024-11-27 23:20:40,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:20:40,300 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 62 [2024-11-27 23:20:40,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:40,302 INFO L225 Difference]: With dead ends: 320 [2024-11-27 23:20:40,302 INFO L226 Difference]: Without dead ends: 319 [2024-11-27 23:20:40,302 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:20:40,303 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 157 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:40,303 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 173 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:20:40,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-27 23:20:40,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 296. [2024-11-27 23:20:40,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 211 states have (on average 1.6682464454976302) internal successors, (352), 270 states have internal predecessors, (352), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:20:40,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 398 transitions. [2024-11-27 23:20:40,328 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 398 transitions. Word has length 62 [2024-11-27 23:20:40,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:40,328 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 398 transitions. [2024-11-27 23:20:40,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-27 23:20:40,329 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 398 transitions. [2024-11-27 23:20:40,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-27 23:20:40,330 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:40,330 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:40,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-27 23:20:40,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-27 23:20:40,531 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:20:40,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:40,532 INFO L85 PathProgramCache]: Analyzing trace with hash 696400335, now seen corresponding path program 1 times [2024-11-27 23:20:40,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:40,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433469383] [2024-11-27 23:20:40,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:40,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:20:40,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1958881345] [2024-11-27 23:20:40,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:40,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:40,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:20:40,559 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:20:40,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-27 23:20:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:40,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:20:40,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:20:40,743 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 23:20:40,744 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:20:40,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:40,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433469383] [2024-11-27 23:20:40,744 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:20:40,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958881345] [2024-11-27 23:20:40,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958881345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:40,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:20:40,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:20:40,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819838921] [2024-11-27 23:20:40,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:40,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:20:40,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:40,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:20:40,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:20:40,746 INFO L87 Difference]: Start difference. First operand 296 states and 398 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-27 23:20:41,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:41,087 INFO L93 Difference]: Finished difference Result 320 states and 419 transitions. [2024-11-27 23:20:41,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:20:41,089 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 63 [2024-11-27 23:20:41,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:41,091 INFO L225 Difference]: With dead ends: 320 [2024-11-27 23:20:41,091 INFO L226 Difference]: Without dead ends: 319 [2024-11-27 23:20:41,091 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:20:41,092 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 156 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:41,092 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 173 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:20:41,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-27 23:20:41,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 296. [2024-11-27 23:20:41,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 211 states have (on average 1.6635071090047393) internal successors, (351), 270 states have internal predecessors, (351), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:20:41,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 397 transitions. [2024-11-27 23:20:41,112 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 397 transitions. Word has length 63 [2024-11-27 23:20:41,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:41,113 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 397 transitions. [2024-11-27 23:20:41,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-27 23:20:41,113 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 397 transitions. [2024-11-27 23:20:41,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-27 23:20:41,114 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:41,114 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:41,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-27 23:20:41,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-27 23:20:41,315 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:20:41,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:41,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1272186614, now seen corresponding path program 1 times [2024-11-27 23:20:41,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:41,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134749628] [2024-11-27 23:20:41,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:41,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:20:41,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [615846185] [2024-11-27 23:20:41,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:41,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:41,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:20:41,336 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:20:41,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-27 23:20:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:41,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:20:41,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:20:41,590 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-27 23:20:41,591 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:20:41,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:41,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134749628] [2024-11-27 23:20:41,591 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:20:41,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615846185] [2024-11-27 23:20:41,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615846185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:41,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:20:41,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:20:41,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709580069] [2024-11-27 23:20:41,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:41,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:20:41,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:41,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:20:41,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:20:41,593 INFO L87 Difference]: Start difference. First operand 296 states and 397 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 23:20:41,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:41,823 INFO L93 Difference]: Finished difference Result 322 states and 418 transitions. [2024-11-27 23:20:41,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:20:41,823 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 73 [2024-11-27 23:20:41,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:41,825 INFO L225 Difference]: With dead ends: 322 [2024-11-27 23:20:41,825 INFO L226 Difference]: Without dead ends: 321 [2024-11-27 23:20:41,825 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:20:41,826 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 88 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:41,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 224 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:20:41,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-27 23:20:41,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 296. [2024-11-27 23:20:41,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 211 states have (on average 1.6540284360189574) internal successors, (349), 270 states have internal predecessors, (349), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:20:41,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 395 transitions. [2024-11-27 23:20:41,846 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 395 transitions. Word has length 73 [2024-11-27 23:20:41,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:41,846 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 395 transitions. [2024-11-27 23:20:41,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 23:20:41,846 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 395 transitions. [2024-11-27 23:20:41,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-27 23:20:41,847 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:41,847 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:41,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-27 23:20:42,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:42,047 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:20:42,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:42,048 INFO L85 PathProgramCache]: Analyzing trace with hash -783079258, now seen corresponding path program 1 times [2024-11-27 23:20:42,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:42,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432878106] [2024-11-27 23:20:42,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:42,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:20:42,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1288333703] [2024-11-27 23:20:42,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:42,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:42,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:20:42,070 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:20:42,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-27 23:20:42,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:42,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:20:42,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:20:43,849 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-27 23:20:43,849 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:20:43,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:43,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432878106] [2024-11-27 23:20:43,850 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:20:43,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288333703] [2024-11-27 23:20:43,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288333703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:43,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:20:43,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:20:43,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594614495] [2024-11-27 23:20:43,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:43,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:20:43,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:43,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:20:43,851 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-11-27 23:20:43,851 INFO L87 Difference]: Start difference. First operand 296 states and 395 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 23:20:47,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 23:20:49,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 23:20:50,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 23:20:51,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:51,230 INFO L93 Difference]: Finished difference Result 322 states and 416 transitions. [2024-11-27 23:20:51,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:20:51,230 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 74 [2024-11-27 23:20:51,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:51,232 INFO L225 Difference]: With dead ends: 322 [2024-11-27 23:20:51,232 INFO L226 Difference]: Without dead ends: 321 [2024-11-27 23:20:51,232 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-11-27 23:20:51,233 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 43 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:51,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 321 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 146 Invalid, 3 Unknown, 0 Unchecked, 7.3s Time] [2024-11-27 23:20:51,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-27 23:20:51,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 296. [2024-11-27 23:20:51,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 211 states have (on average 1.6445497630331753) internal successors, (347), 270 states have internal predecessors, (347), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:20:51,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 393 transitions. [2024-11-27 23:20:51,255 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 393 transitions. Word has length 74 [2024-11-27 23:20:51,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:51,256 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 393 transitions. [2024-11-27 23:20:51,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 23:20:51,256 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 393 transitions. [2024-11-27 23:20:51,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-27 23:20:51,257 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:51,257 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:51,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-27 23:20:51,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:51,462 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:20:51,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:51,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1494346892, now seen corresponding path program 1 times [2024-11-27 23:20:51,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:51,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974130440] [2024-11-27 23:20:51,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:51,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:20:51,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1324418795] [2024-11-27 23:20:51,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:51,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:51,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:20:51,486 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:20:51,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-27 23:20:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:51,556 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:20:51,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:20:51,627 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-27 23:20:51,627 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:20:51,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:51,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974130440] [2024-11-27 23:20:51,628 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:20:51,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324418795] [2024-11-27 23:20:51,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324418795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:51,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:20:51,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:20:51,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759942219] [2024-11-27 23:20:51,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:51,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:20:51,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:51,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:20:51,629 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:20:51,629 INFO L87 Difference]: Start difference. First operand 296 states and 393 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 23:20:51,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:51,927 INFO L93 Difference]: Finished difference Result 315 states and 404 transitions. [2024-11-27 23:20:51,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:20:51,928 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 75 [2024-11-27 23:20:51,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:51,929 INFO L225 Difference]: With dead ends: 315 [2024-11-27 23:20:51,929 INFO L226 Difference]: Without dead ends: 313 [2024-11-27 23:20:51,930 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:20:51,930 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 90 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:51,931 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 256 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:20:51,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-27 23:20:51,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 296. [2024-11-27 23:20:51,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 211 states have (on average 1.6255924170616114) internal successors, (343), 270 states have internal predecessors, (343), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:20:51,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 389 transitions. [2024-11-27 23:20:51,949 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 389 transitions. Word has length 75 [2024-11-27 23:20:51,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:51,949 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 389 transitions. [2024-11-27 23:20:51,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 23:20:51,950 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 389 transitions. [2024-11-27 23:20:51,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-27 23:20:51,950 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:51,951 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:51,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-27 23:20:52,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:52,151 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:20:52,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:52,152 INFO L85 PathProgramCache]: Analyzing trace with hash -919886488, now seen corresponding path program 1 times [2024-11-27 23:20:52,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:52,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930425050] [2024-11-27 23:20:52,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:52,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:20:52,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1513172144] [2024-11-27 23:20:52,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:52,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:52,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:20:52,179 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:20:52,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-27 23:20:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:52,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:20:52,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:20:52,389 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-27 23:20:52,389 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:20:52,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:52,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930425050] [2024-11-27 23:20:52,389 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:20:52,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513172144] [2024-11-27 23:20:52,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513172144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:52,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:20:52,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:20:52,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064478008] [2024-11-27 23:20:52,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:52,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:20:52,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:52,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:20:52,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:20:52,391 INFO L87 Difference]: Start difference. First operand 296 states and 389 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 23:20:53,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:53,193 INFO L93 Difference]: Finished difference Result 315 states and 400 transitions. [2024-11-27 23:20:53,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:20:53,194 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 76 [2024-11-27 23:20:53,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:53,196 INFO L225 Difference]: With dead ends: 315 [2024-11-27 23:20:53,196 INFO L226 Difference]: Without dead ends: 313 [2024-11-27 23:20:53,196 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:20:53,198 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 54 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:53,198 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 323 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 23:20:53,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-27 23:20:53,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 296. [2024-11-27 23:20:53,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 211 states have (on average 1.6066350710900474) internal successors, (339), 270 states have internal predecessors, (339), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:20:53,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 385 transitions. [2024-11-27 23:20:53,218 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 385 transitions. Word has length 76 [2024-11-27 23:20:53,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:53,218 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 385 transitions. [2024-11-27 23:20:53,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 23:20:53,219 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 385 transitions. [2024-11-27 23:20:53,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-27 23:20:53,219 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:53,220 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:53,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-27 23:20:53,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-27 23:20:53,420 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:20:53,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:53,421 INFO L85 PathProgramCache]: Analyzing trace with hash -2122139886, now seen corresponding path program 1 times [2024-11-27 23:20:53,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:53,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013307000] [2024-11-27 23:20:53,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:53,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:20:53,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1116687496] [2024-11-27 23:20:53,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:53,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:53,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:20:53,444 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:20:53,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-27 23:20:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:53,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:20:53,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:20:53,702 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-27 23:20:53,702 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:20:53,995 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-27 23:20:53,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:53,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013307000] [2024-11-27 23:20:53,996 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:20:53,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116687496] [2024-11-27 23:20:53,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116687496] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:20:53,996 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:20:53,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-27 23:20:53,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771944873] [2024-11-27 23:20:53,997 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:20:53,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 23:20:53,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:53,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 23:20:53,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:20:53,998 INFO L87 Difference]: Start difference. First operand 296 states and 385 transitions. Second operand has 9 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-27 23:20:54,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:54,781 INFO L93 Difference]: Finished difference Result 314 states and 386 transitions. [2024-11-27 23:20:54,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 23:20:54,781 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) Word has length 81 [2024-11-27 23:20:54,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:54,783 INFO L225 Difference]: With dead ends: 314 [2024-11-27 23:20:54,783 INFO L226 Difference]: Without dead ends: 313 [2024-11-27 23:20:54,783 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 152 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:20:54,783 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 295 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:54,784 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 353 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 23:20:54,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-27 23:20:54,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 296. [2024-11-27 23:20:54,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 211 states have (on average 1.5924170616113744) internal successors, (336), 270 states have internal predecessors, (336), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:20:54,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 382 transitions. [2024-11-27 23:20:54,804 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 382 transitions. Word has length 81 [2024-11-27 23:20:54,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:54,804 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 382 transitions. [2024-11-27 23:20:54,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-27 23:20:54,805 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 382 transitions. [2024-11-27 23:20:54,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-27 23:20:54,806 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:54,806 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:54,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-27 23:20:55,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-27 23:20:55,010 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:20:55,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:55,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1361826898, now seen corresponding path program 1 times [2024-11-27 23:20:55,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:55,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76571765] [2024-11-27 23:20:55,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:55,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:20:55,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [228989667] [2024-11-27 23:20:55,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:55,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:55,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:20:55,030 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:20:55,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-27 23:20:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:55,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-27 23:20:55,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:20:55,442 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-27 23:20:55,442 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:20:56,062 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-27 23:20:56,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:56,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76571765] [2024-11-27 23:20:56,063 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:20:56,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228989667] [2024-11-27 23:20:56,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228989667] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:20:56,063 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:20:56,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-27 23:20:56,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332146721] [2024-11-27 23:20:56,063 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:20:56,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 23:20:56,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:56,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 23:20:56,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:20:56,065 INFO L87 Difference]: Start difference. First operand 296 states and 382 transitions. Second operand has 11 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 5 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (17), 7 states have call predecessors, (17), 5 states have call successors, (17) [2024-11-27 23:20:57,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:57,129 INFO L93 Difference]: Finished difference Result 314 states and 383 transitions. [2024-11-27 23:20:57,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:20:57,130 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 5 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (17), 7 states have call predecessors, (17), 5 states have call successors, (17) Word has length 82 [2024-11-27 23:20:57,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:57,131 INFO L225 Difference]: With dead ends: 314 [2024-11-27 23:20:57,131 INFO L226 Difference]: Without dead ends: 313 [2024-11-27 23:20:57,131 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 152 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:20:57,132 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 308 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:57,132 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 492 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-27 23:20:57,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-27 23:20:57,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 296. [2024-11-27 23:20:57,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 211 states have (on average 1.5781990521327014) internal successors, (333), 270 states have internal predecessors, (333), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:20:57,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 379 transitions. [2024-11-27 23:20:57,154 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 379 transitions. Word has length 82 [2024-11-27 23:20:57,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:57,158 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 379 transitions. [2024-11-27 23:20:57,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 5 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (17), 7 states have call predecessors, (17), 5 states have call successors, (17) [2024-11-27 23:20:57,158 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 379 transitions. [2024-11-27 23:20:57,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-27 23:20:57,159 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:57,159 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:57,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-27 23:20:57,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-27 23:20:57,363 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:20:57,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:57,364 INFO L85 PathProgramCache]: Analyzing trace with hash 733039252, now seen corresponding path program 1 times [2024-11-27 23:20:57,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:57,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450743722] [2024-11-27 23:20:57,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:57,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:20:57,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1916883697] [2024-11-27 23:20:57,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:57,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:20:57,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:20:57,388 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:20:57,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-27 23:20:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:57,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 23:20:57,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:20:57,899 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-27 23:20:57,899 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:21:02,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:02,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450743722] [2024-11-27 23:21:02,348 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:21:02,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916883697] [2024-11-27 23:21:02,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916883697] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:21:02,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:21:02,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-27 23:21:02,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419073444] [2024-11-27 23:21:02,349 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:21:02,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:21:02,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:21:02,350 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:21:02,350 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-11-27 23:21:02,350 INFO L87 Difference]: Start difference. First operand 296 states and 379 transitions. Second operand has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 23:21:03,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:03,175 INFO L93 Difference]: Finished difference Result 314 states and 390 transitions. [2024-11-27 23:21:03,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 23:21:03,175 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 83 [2024-11-27 23:21:03,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:03,177 INFO L225 Difference]: With dead ends: 314 [2024-11-27 23:21:03,177 INFO L226 Difference]: Without dead ends: 311 [2024-11-27 23:21:03,177 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-11-27 23:21:03,178 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 164 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:03,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 313 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 23:21:03,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-11-27 23:21:03,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 296. [2024-11-27 23:21:03,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 211 states have (on average 1.5497630331753554) internal successors, (327), 270 states have internal predecessors, (327), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:21:03,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 373 transitions. [2024-11-27 23:21:03,198 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 373 transitions. Word has length 83 [2024-11-27 23:21:03,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:03,198 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 373 transitions. [2024-11-27 23:21:03,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 23:21:03,199 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 373 transitions. [2024-11-27 23:21:03,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-27 23:21:03,199 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:03,199 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:03,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-27 23:21:03,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-27 23:21:03,404 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:21:03,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:03,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1249380464, now seen corresponding path program 1 times [2024-11-27 23:21:03,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:21:03,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395102761] [2024-11-27 23:21:03,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:03,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:21:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:21:03,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [52498466] [2024-11-27 23:21:03,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:03,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:03,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:21:03,425 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:21:03,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-27 23:21:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:03,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-27 23:21:03,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:21:04,129 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-27 23:21:04,129 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:21:04,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:04,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395102761] [2024-11-27 23:21:04,290 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:21:04,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52498466] [2024-11-27 23:21:04,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52498466] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:21:04,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:21:04,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-27 23:21:04,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196308591] [2024-11-27 23:21:04,291 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:21:04,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:21:04,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:21:04,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:21:04,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:21:04,293 INFO L87 Difference]: Start difference. First operand 296 states and 373 transitions. Second operand has 8 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-27 23:21:04,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:04,742 INFO L93 Difference]: Finished difference Result 304 states and 376 transitions. [2024-11-27 23:21:04,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:21:04,742 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 84 [2024-11-27 23:21:04,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:04,744 INFO L225 Difference]: With dead ends: 304 [2024-11-27 23:21:04,744 INFO L226 Difference]: Without dead ends: 301 [2024-11-27 23:21:04,744 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:21:04,745 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 241 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:04,745 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 238 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:21:04,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-27 23:21:04,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 296. [2024-11-27 23:21:04,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 211 states have (on average 1.5213270142180095) internal successors, (321), 270 states have internal predecessors, (321), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:21:04,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 367 transitions. [2024-11-27 23:21:04,766 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 367 transitions. Word has length 84 [2024-11-27 23:21:04,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:04,767 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 367 transitions. [2024-11-27 23:21:04,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-27 23:21:04,767 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 367 transitions. [2024-11-27 23:21:04,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-27 23:21:04,768 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:04,768 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:04,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-27 23:21:04,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-27 23:21:04,972 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:21:04,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:04,973 INFO L85 PathProgramCache]: Analyzing trace with hash -601143357, now seen corresponding path program 1 times [2024-11-27 23:21:04,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:21:04,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645956037] [2024-11-27 23:21:04,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:04,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:21:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:05,061 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-27 23:21:05,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:05,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645956037] [2024-11-27 23:21:05,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645956037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:21:05,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:21:05,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:21:05,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808038910] [2024-11-27 23:21:05,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:21:05,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:21:05,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:21:05,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:21:05,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:21:05,063 INFO L87 Difference]: Start difference. First operand 296 states and 367 transitions. Second operand has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-27 23:21:05,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:05,140 INFO L93 Difference]: Finished difference Result 296 states and 367 transitions. [2024-11-27 23:21:05,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:21:05,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 97 [2024-11-27 23:21:05,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:05,143 INFO L225 Difference]: With dead ends: 296 [2024-11-27 23:21:05,143 INFO L226 Difference]: Without dead ends: 295 [2024-11-27 23:21:05,143 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:21:05,143 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 1 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:05,144 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 281 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:21:05,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-27 23:21:05,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2024-11-27 23:21:05,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 211 states have (on average 1.5023696682464456) internal successors, (317), 269 states have internal predecessors, (317), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:21:05,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 363 transitions. [2024-11-27 23:21:05,164 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 363 transitions. Word has length 97 [2024-11-27 23:21:05,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:05,165 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 363 transitions. [2024-11-27 23:21:05,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-27 23:21:05,165 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 363 transitions. [2024-11-27 23:21:05,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-27 23:21:05,166 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:05,166 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:05,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-27 23:21:05,167 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:21:05,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:05,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1455574729, now seen corresponding path program 1 times [2024-11-27 23:21:05,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:21:05,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360082770] [2024-11-27 23:21:05,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:05,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:21:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:05,296 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-27 23:21:05,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:05,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360082770] [2024-11-27 23:21:05,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360082770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:21:05,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:21:05,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:21:05,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725207268] [2024-11-27 23:21:05,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:21:05,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:21:05,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:21:05,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:21:05,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:21:05,298 INFO L87 Difference]: Start difference. First operand 295 states and 363 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-27 23:21:06,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:06,060 INFO L93 Difference]: Finished difference Result 299 states and 364 transitions. [2024-11-27 23:21:06,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:21:06,061 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 98 [2024-11-27 23:21:06,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:06,062 INFO L225 Difference]: With dead ends: 299 [2024-11-27 23:21:06,062 INFO L226 Difference]: Without dead ends: 298 [2024-11-27 23:21:06,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:21:06,063 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 451 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:06,063 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 218 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 23:21:06,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-11-27 23:21:06,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 295. [2024-11-27 23:21:06,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 211 states have (on average 1.4976303317535544) internal successors, (316), 269 states have internal predecessors, (316), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:21:06,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 362 transitions. [2024-11-27 23:21:06,084 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 362 transitions. Word has length 98 [2024-11-27 23:21:06,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:06,084 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 362 transitions. [2024-11-27 23:21:06,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-27 23:21:06,085 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 362 transitions. [2024-11-27 23:21:06,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-27 23:21:06,086 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:06,086 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:06,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-27 23:21:06,086 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:21:06,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:06,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1350489719, now seen corresponding path program 1 times [2024-11-27 23:21:06,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:21:06,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100972080] [2024-11-27 23:21:06,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:06,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:21:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:06,232 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-27 23:21:06,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:06,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100972080] [2024-11-27 23:21:06,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100972080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:21:06,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:21:06,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:21:06,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763729755] [2024-11-27 23:21:06,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:21:06,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:21:06,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:21:06,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:21:06,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:21:06,234 INFO L87 Difference]: Start difference. First operand 295 states and 362 transitions. Second operand has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-27 23:21:06,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:06,295 INFO L93 Difference]: Finished difference Result 310 states and 373 transitions. [2024-11-27 23:21:06,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:21:06,295 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 100 [2024-11-27 23:21:06,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:06,297 INFO L225 Difference]: With dead ends: 310 [2024-11-27 23:21:06,297 INFO L226 Difference]: Without dead ends: 309 [2024-11-27 23:21:06,297 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:21:06,298 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 14 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:06,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 428 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:21:06,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-11-27 23:21:06,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 300. [2024-11-27 23:21:06,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 216 states have (on average 1.4861111111111112) internal successors, (321), 274 states have internal predecessors, (321), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:21:06,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 367 transitions. [2024-11-27 23:21:06,321 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 367 transitions. Word has length 100 [2024-11-27 23:21:06,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:06,321 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 367 transitions. [2024-11-27 23:21:06,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-27 23:21:06,322 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 367 transitions. [2024-11-27 23:21:06,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-27 23:21:06,322 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:06,322 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:06,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-27 23:21:06,323 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:21:06,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:06,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1084491501, now seen corresponding path program 1 times [2024-11-27 23:21:06,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:21:06,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872417455] [2024-11-27 23:21:06,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:06,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:21:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:21:06,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [215923303] [2024-11-27 23:21:06,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:06,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:06,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:21:06,346 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:21:06,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-27 23:21:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:06,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:21:06,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:21:06,630 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-27 23:21:06,631 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:21:06,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:06,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872417455] [2024-11-27 23:21:06,631 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:21:06,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215923303] [2024-11-27 23:21:06,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215923303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:21:06,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:21:06,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:21:06,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293743512] [2024-11-27 23:21:06,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:21:06,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:21:06,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:21:06,633 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:21:06,633 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:21:06,633 INFO L87 Difference]: Start difference. First operand 300 states and 367 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-27 23:21:07,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:07,020 INFO L93 Difference]: Finished difference Result 310 states and 371 transitions. [2024-11-27 23:21:07,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:21:07,021 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 101 [2024-11-27 23:21:07,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:07,023 INFO L225 Difference]: With dead ends: 310 [2024-11-27 23:21:07,023 INFO L226 Difference]: Without dead ends: 309 [2024-11-27 23:21:07,024 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:21:07,025 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 15 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:07,025 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 307 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:21:07,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-11-27 23:21:07,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 302. [2024-11-27 23:21:07,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 218 states have (on average 1.481651376146789) internal successors, (323), 276 states have internal predecessors, (323), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:21:07,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 369 transitions. [2024-11-27 23:21:07,048 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 369 transitions. Word has length 101 [2024-11-27 23:21:07,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:07,048 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 369 transitions. [2024-11-27 23:21:07,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-27 23:21:07,049 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 369 transitions. [2024-11-27 23:21:07,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-27 23:21:07,052 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:07,052 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:07,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-27 23:21:07,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:07,257 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:21:07,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:07,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1036776338, now seen corresponding path program 1 times [2024-11-27 23:21:07,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:21:07,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606705281] [2024-11-27 23:21:07,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:07,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:21:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:21:07,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1428429686] [2024-11-27 23:21:07,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:07,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:07,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:21:07,278 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:21:07,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-27 23:21:07,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:07,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 23:21:07,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:21:07,570 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-27 23:21:07,570 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:21:07,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:07,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606705281] [2024-11-27 23:21:07,670 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:21:07,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428429686] [2024-11-27 23:21:07,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1428429686] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:21:07,671 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:21:07,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-27 23:21:07,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286652831] [2024-11-27 23:21:07,671 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:21:07,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:21:07,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:21:07,672 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:21:07,672 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:21:07,672 INFO L87 Difference]: Start difference. First operand 302 states and 369 transitions. Second operand has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-27 23:21:08,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:08,299 INFO L93 Difference]: Finished difference Result 305 states and 369 transitions. [2024-11-27 23:21:08,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 23:21:08,300 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) Word has length 101 [2024-11-27 23:21:08,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:08,301 INFO L225 Difference]: With dead ends: 305 [2024-11-27 23:21:08,301 INFO L226 Difference]: Without dead ends: 303 [2024-11-27 23:21:08,301 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:21:08,301 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 193 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:08,301 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 472 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 23:21:08,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-27 23:21:08,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 302. [2024-11-27 23:21:08,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 218 states have (on average 1.4724770642201834) internal successors, (321), 276 states have internal predecessors, (321), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:21:08,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 367 transitions. [2024-11-27 23:21:08,321 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 367 transitions. Word has length 101 [2024-11-27 23:21:08,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:08,321 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 367 transitions. [2024-11-27 23:21:08,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-27 23:21:08,321 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 367 transitions. [2024-11-27 23:21:08,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-27 23:21:08,324 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:08,324 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:08,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-27 23:21:08,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-27 23:21:08,529 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:21:08,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:08,529 INFO L85 PathProgramCache]: Analyzing trace with hash -2075295333, now seen corresponding path program 1 times [2024-11-27 23:21:08,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:21:08,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483836704] [2024-11-27 23:21:08,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:08,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:21:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:21:08,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1000584758] [2024-11-27 23:21:08,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:08,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:08,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:21:08,551 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:21:08,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-27 23:21:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:08,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-27 23:21:08,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:21:08,976 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 23:21:08,976 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:21:09,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:09,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483836704] [2024-11-27 23:21:09,130 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:21:09,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000584758] [2024-11-27 23:21:09,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000584758] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:21:09,130 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:21:09,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-27 23:21:09,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558517259] [2024-11-27 23:21:09,130 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:21:09,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 23:21:09,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:21:09,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 23:21:09,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:21:09,132 INFO L87 Difference]: Start difference. First operand 302 states and 367 transitions. Second operand has 9 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-27 23:21:09,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:09,655 INFO L93 Difference]: Finished difference Result 351 states and 423 transitions. [2024-11-27 23:21:09,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:21:09,655 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 102 [2024-11-27 23:21:09,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:09,656 INFO L225 Difference]: With dead ends: 351 [2024-11-27 23:21:09,656 INFO L226 Difference]: Without dead ends: 349 [2024-11-27 23:21:09,657 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:21:09,657 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 445 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:09,657 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 355 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:21:09,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-11-27 23:21:09,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 347. [2024-11-27 23:21:09,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 259 states have (on average 1.4131274131274132) internal successors, (366), 317 states have internal predecessors, (366), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:21:09,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 420 transitions. [2024-11-27 23:21:09,687 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 420 transitions. Word has length 102 [2024-11-27 23:21:09,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:09,687 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 420 transitions. [2024-11-27 23:21:09,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-27 23:21:09,688 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 420 transitions. [2024-11-27 23:21:09,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-27 23:21:09,688 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:09,688 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:09,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-27 23:21:09,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-27 23:21:09,893 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:21:09,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:09,893 INFO L85 PathProgramCache]: Analyzing trace with hash 90354192, now seen corresponding path program 1 times [2024-11-27 23:21:09,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:21:09,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067514880] [2024-11-27 23:21:09,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:09,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:21:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:09,991 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-27 23:21:09,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:09,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067514880] [2024-11-27 23:21:09,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067514880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:21:09,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:21:09,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:21:09,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621971763] [2024-11-27 23:21:09,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:21:09,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:21:09,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:21:09,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:21:09,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:21:09,993 INFO L87 Difference]: Start difference. First operand 347 states and 420 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-27 23:21:10,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:10,474 INFO L93 Difference]: Finished difference Result 378 states and 420 transitions. [2024-11-27 23:21:10,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:21:10,474 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 103 [2024-11-27 23:21:10,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:10,476 INFO L225 Difference]: With dead ends: 378 [2024-11-27 23:21:10,476 INFO L226 Difference]: Without dead ends: 377 [2024-11-27 23:21:10,476 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:21:10,476 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 133 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:10,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 546 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:21:10,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-27 23:21:10,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 347. [2024-11-27 23:21:10,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 259 states have (on average 1.4015444015444016) internal successors, (363), 317 states have internal predecessors, (363), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:21:10,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 417 transitions. [2024-11-27 23:21:10,502 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 417 transitions. Word has length 103 [2024-11-27 23:21:10,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:10,503 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 417 transitions. [2024-11-27 23:21:10,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-27 23:21:10,503 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 417 transitions. [2024-11-27 23:21:10,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-27 23:21:10,504 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:10,504 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:10,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-27 23:21:10,504 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:21:10,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:10,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1342134917, now seen corresponding path program 1 times [2024-11-27 23:21:10,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:21:10,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50742696] [2024-11-27 23:21:10,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:10,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:21:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:10,664 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-27 23:21:10,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:10,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50742696] [2024-11-27 23:21:10,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50742696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:21:10,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:21:10,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:21:10,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152441448] [2024-11-27 23:21:10,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:21:10,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:21:10,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:21:10,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:21:10,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:21:10,666 INFO L87 Difference]: Start difference. First operand 347 states and 417 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-27 23:21:10,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:10,785 INFO L93 Difference]: Finished difference Result 360 states and 427 transitions. [2024-11-27 23:21:10,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:21:10,786 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 104 [2024-11-27 23:21:10,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:10,788 INFO L225 Difference]: With dead ends: 360 [2024-11-27 23:21:10,788 INFO L226 Difference]: Without dead ends: 359 [2024-11-27 23:21:10,788 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:21:10,789 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 13 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:10,789 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 434 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:21:10,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-27 23:21:10,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 352. [2024-11-27 23:21:10,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 264 states have (on average 1.4015151515151516) internal successors, (370), 322 states have internal predecessors, (370), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:21:10,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 424 transitions. [2024-11-27 23:21:10,815 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 424 transitions. Word has length 104 [2024-11-27 23:21:10,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:10,815 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 424 transitions. [2024-11-27 23:21:10,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-27 23:21:10,816 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 424 transitions. [2024-11-27 23:21:10,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-27 23:21:10,817 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:10,817 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:10,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-27 23:21:10,817 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:21:10,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:10,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1493987267, now seen corresponding path program 1 times [2024-11-27 23:21:10,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:21:10,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751914600] [2024-11-27 23:21:10,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:10,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:21:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:21:10,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1400222361] [2024-11-27 23:21:10,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:10,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:10,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:21:10,837 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:21:10,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-27 23:21:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:10,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-27 23:21:10,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:21:11,343 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-27 23:21:11,343 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:21:11,644 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-27 23:21:11,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:11,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751914600] [2024-11-27 23:21:11,645 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:21:11,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400222361] [2024-11-27 23:21:11,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400222361] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:21:11,645 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:21:11,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2024-11-27 23:21:11,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661795600] [2024-11-27 23:21:11,645 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:21:11,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 23:21:11,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:21:11,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 23:21:11,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:21:11,647 INFO L87 Difference]: Start difference. First operand 352 states and 424 transitions. Second operand has 14 states, 13 states have (on average 8.76923076923077) internal successors, (114), 14 states have internal predecessors, (114), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-27 23:21:12,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:12,909 INFO L93 Difference]: Finished difference Result 357 states and 425 transitions. [2024-11-27 23:21:12,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-27 23:21:12,910 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.76923076923077) internal successors, (114), 14 states have internal predecessors, (114), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) Word has length 104 [2024-11-27 23:21:12,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:12,912 INFO L225 Difference]: With dead ends: 357 [2024-11-27 23:21:12,912 INFO L226 Difference]: Without dead ends: 356 [2024-11-27 23:21:12,912 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 193 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2024-11-27 23:21:12,913 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 374 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:12,913 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 583 Invalid, 859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-27 23:21:12,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-27 23:21:12,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 352. [2024-11-27 23:21:12,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 264 states have (on average 1.3901515151515151) internal successors, (367), 322 states have internal predecessors, (367), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:21:12,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 421 transitions. [2024-11-27 23:21:12,952 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 421 transitions. Word has length 104 [2024-11-27 23:21:12,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:12,953 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 421 transitions. [2024-11-27 23:21:12,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.76923076923077) internal successors, (114), 14 states have internal predecessors, (114), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-27 23:21:12,953 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 421 transitions. [2024-11-27 23:21:12,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-27 23:21:12,955 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:12,955 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:12,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-27 23:21:13,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:13,159 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:21:13,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:13,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1343490711, now seen corresponding path program 1 times [2024-11-27 23:21:13,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:21:13,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885984946] [2024-11-27 23:21:13,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:13,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:21:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:21:13,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [258079252] [2024-11-27 23:21:13,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:13,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:13,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:21:13,186 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:21:13,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-27 23:21:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:13,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:21:13,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:21:13,442 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-27 23:21:13,442 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:21:13,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:13,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885984946] [2024-11-27 23:21:13,443 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:21:13,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258079252] [2024-11-27 23:21:13,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258079252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:21:13,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:21:13,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:21:13,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635771903] [2024-11-27 23:21:13,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:21:13,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:21:13,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:21:13,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:21:13,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:21:13,444 INFO L87 Difference]: Start difference. First operand 352 states and 421 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-27 23:21:13,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:13,717 INFO L93 Difference]: Finished difference Result 358 states and 424 transitions. [2024-11-27 23:21:13,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:21:13,718 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 105 [2024-11-27 23:21:13,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:13,719 INFO L225 Difference]: With dead ends: 358 [2024-11-27 23:21:13,719 INFO L226 Difference]: Without dead ends: 357 [2024-11-27 23:21:13,720 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:21:13,720 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 54 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:13,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 503 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:21:13,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-27 23:21:13,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 354. [2024-11-27 23:21:13,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 266 states have (on average 1.387218045112782) internal successors, (369), 324 states have internal predecessors, (369), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:21:13,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 423 transitions. [2024-11-27 23:21:13,748 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 423 transitions. Word has length 105 [2024-11-27 23:21:13,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:13,748 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 423 transitions. [2024-11-27 23:21:13,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-27 23:21:13,749 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 423 transitions. [2024-11-27 23:21:13,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-27 23:21:13,749 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:13,749 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:13,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-27 23:21:13,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:13,950 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:21:13,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:13,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1690580813, now seen corresponding path program 1 times [2024-11-27 23:21:13,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:21:13,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635207038] [2024-11-27 23:21:13,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:13,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:21:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:14,163 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-27 23:21:14,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:14,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635207038] [2024-11-27 23:21:14,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635207038] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:21:14,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306198765] [2024-11-27 23:21:14,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:14,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:14,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:21:14,166 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:21:14,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-27 23:21:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:14,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 23:21:14,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:21:14,717 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-27 23:21:14,717 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:21:15,150 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-27 23:21:15,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306198765] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:21:15,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:21:15,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-11-27 23:21:15,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463336891] [2024-11-27 23:21:15,151 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:21:15,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-27 23:21:15,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:21:15,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-27 23:21:15,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:21:15,153 INFO L87 Difference]: Start difference. First operand 354 states and 423 transitions. Second operand has 18 states, 18 states have (on average 9.833333333333334) internal successors, (177), 17 states have internal predecessors, (177), 10 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-27 23:21:16,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:16,635 INFO L93 Difference]: Finished difference Result 740 states and 851 transitions. [2024-11-27 23:21:16,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 23:21:16,636 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 9.833333333333334) internal successors, (177), 17 states have internal predecessors, (177), 10 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 107 [2024-11-27 23:21:16,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:16,638 INFO L225 Difference]: With dead ends: 740 [2024-11-27 23:21:16,639 INFO L226 Difference]: Without dead ends: 711 [2024-11-27 23:21:16,639 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 203 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=141, Invalid=509, Unknown=0, NotChecked=0, Total=650 [2024-11-27 23:21:16,640 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 1155 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 870 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1155 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 1078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:16,640 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1155 Valid, 846 Invalid, 1078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 870 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-27 23:21:16,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2024-11-27 23:21:16,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 505. [2024-11-27 23:21:16,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 405 states have (on average 1.5506172839506174) internal successors, (628), 463 states have internal predecessors, (628), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-27 23:21:16,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 706 transitions. [2024-11-27 23:21:16,676 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 706 transitions. Word has length 107 [2024-11-27 23:21:16,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:16,677 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 706 transitions. [2024-11-27 23:21:16,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.833333333333334) internal successors, (177), 17 states have internal predecessors, (177), 10 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-27 23:21:16,677 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 706 transitions. [2024-11-27 23:21:16,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-27 23:21:16,678 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:16,678 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:16,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-27 23:21:16,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-27 23:21:16,882 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:21:16,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:16,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1150569117, now seen corresponding path program 1 times [2024-11-27 23:21:16,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:21:16,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632794217] [2024-11-27 23:21:16,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:16,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:21:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:17,193 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-27 23:21:17,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:17,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632794217] [2024-11-27 23:21:17,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632794217] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:21:17,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442158968] [2024-11-27 23:21:17,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:17,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:17,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:21:17,196 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:21:17,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-27 23:21:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:17,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 23:21:17,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:21:17,515 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-27 23:21:17,515 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:21:17,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442158968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:21:17,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:21:17,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 17 [2024-11-27 23:21:17,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896462314] [2024-11-27 23:21:17,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:21:17,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:21:17,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:21:17,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:21:17,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:21:17,517 INFO L87 Difference]: Start difference. First operand 505 states and 706 transitions. Second operand has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-27 23:21:19,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:19,019 INFO L93 Difference]: Finished difference Result 957 states and 1277 transitions. [2024-11-27 23:21:19,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 23:21:19,019 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 109 [2024-11-27 23:21:19,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:19,023 INFO L225 Difference]: With dead ends: 957 [2024-11-27 23:21:19,023 INFO L226 Difference]: Without dead ends: 956 [2024-11-27 23:21:19,024 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=152, Invalid=660, Unknown=0, NotChecked=0, Total=812 [2024-11-27 23:21:19,024 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 722 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 727 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:19,026 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [727 Valid, 851 Invalid, 878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 837 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-27 23:21:19,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2024-11-27 23:21:19,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 698. [2024-11-27 23:21:19,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 582 states have (on average 1.6443298969072164) internal successors, (957), 640 states have internal predecessors, (957), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-27 23:21:19,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 1067 transitions. [2024-11-27 23:21:19,079 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 1067 transitions. Word has length 109 [2024-11-27 23:21:19,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:19,080 INFO L471 AbstractCegarLoop]: Abstraction has 698 states and 1067 transitions. [2024-11-27 23:21:19,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-27 23:21:19,080 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 1067 transitions. [2024-11-27 23:21:19,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-27 23:21:19,081 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:19,081 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:19,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-27 23:21:19,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:19,282 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:21:19,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:19,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1307904182, now seen corresponding path program 1 times [2024-11-27 23:21:19,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:21:19,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599382682] [2024-11-27 23:21:19,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:19,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:21:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:21:19,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1220843969] [2024-11-27 23:21:19,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:19,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:19,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:21:19,315 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:21:19,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-27 23:21:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:19,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 23:21:19,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:21:19,549 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-27 23:21:19,549 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:21:19,745 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-27 23:21:19,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:19,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599382682] [2024-11-27 23:21:19,745 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:21:19,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220843969] [2024-11-27 23:21:19,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220843969] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:21:19,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:21:19,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-27 23:21:19,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346712184] [2024-11-27 23:21:19,746 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:21:19,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 23:21:19,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:21:19,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 23:21:19,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:21:19,747 INFO L87 Difference]: Start difference. First operand 698 states and 1067 transitions. Second operand has 10 states, 9 states have (on average 13.777777777777779) internal successors, (124), 10 states have internal predecessors, (124), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-27 23:21:20,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:20,930 INFO L93 Difference]: Finished difference Result 1099 states and 1647 transitions. [2024-11-27 23:21:20,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 23:21:20,930 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.777777777777779) internal successors, (124), 10 states have internal predecessors, (124), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) Word has length 110 [2024-11-27 23:21:20,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:20,933 INFO L225 Difference]: With dead ends: 1099 [2024-11-27 23:21:20,933 INFO L226 Difference]: Without dead ends: 1098 [2024-11-27 23:21:20,934 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:21:20,934 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 758 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 759 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:20,934 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [759 Valid, 658 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-27 23:21:20,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2024-11-27 23:21:20,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 851. [2024-11-27 23:21:20,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 851 states, 723 states have (on average 1.6721991701244814) internal successors, (1209), 781 states have internal predecessors, (1209), 67 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-27 23:21:20,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 1343 transitions. [2024-11-27 23:21:20,984 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 1343 transitions. Word has length 110 [2024-11-27 23:21:20,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:20,984 INFO L471 AbstractCegarLoop]: Abstraction has 851 states and 1343 transitions. [2024-11-27 23:21:20,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.777777777777779) internal successors, (124), 10 states have internal predecessors, (124), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-27 23:21:20,985 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1343 transitions. [2024-11-27 23:21:20,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-27 23:21:20,985 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:20,985 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:20,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-27 23:21:21,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:21,186 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:21:21,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:21,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1658250161, now seen corresponding path program 1 times [2024-11-27 23:21:21,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:21:21,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193295487] [2024-11-27 23:21:21,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:21,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:21:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:21:21,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [100894515] [2024-11-27 23:21:21,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:21,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:21,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:21:21,208 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:21:21,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-27 23:21:21,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:21,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-27 23:21:21,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:21:21,987 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 6 proven. 25 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-27 23:21:21,987 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:21:22,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:22,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193295487] [2024-11-27 23:21:22,211 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:21:22,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100894515] [2024-11-27 23:21:22,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100894515] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:21:22,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:21:22,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-27 23:21:22,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630348534] [2024-11-27 23:21:22,211 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:21:22,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 23:21:22,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:21:22,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 23:21:22,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-11-27 23:21:22,212 INFO L87 Difference]: Start difference. First operand 851 states and 1343 transitions. Second operand has 12 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-27 23:21:23,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:23,352 INFO L93 Difference]: Finished difference Result 937 states and 1449 transitions. [2024-11-27 23:21:23,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 23:21:23,353 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 116 [2024-11-27 23:21:23,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:23,357 INFO L225 Difference]: With dead ends: 937 [2024-11-27 23:21:23,357 INFO L226 Difference]: Without dead ends: 934 [2024-11-27 23:21:23,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2024-11-27 23:21:23,358 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 604 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 1199 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 1239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:23,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 405 Invalid, 1239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1199 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 23:21:23,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2024-11-27 23:21:23,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 900. [2024-11-27 23:21:23,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 768 states have (on average 1.67578125) internal successors, (1287), 826 states have internal predecessors, (1287), 71 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-27 23:21:23,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1429 transitions. [2024-11-27 23:21:23,430 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1429 transitions. Word has length 116 [2024-11-27 23:21:23,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:23,432 INFO L471 AbstractCegarLoop]: Abstraction has 900 states and 1429 transitions. [2024-11-27 23:21:23,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-27 23:21:23,432 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1429 transitions. [2024-11-27 23:21:23,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-27 23:21:23,433 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:23,434 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:23,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-11-27 23:21:23,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:23,638 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:21:23,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:23,638 INFO L85 PathProgramCache]: Analyzing trace with hash 133852643, now seen corresponding path program 1 times [2024-11-27 23:21:23,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:21:23,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679442231] [2024-11-27 23:21:23,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:23,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:21:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:21:23,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2016599679] [2024-11-27 23:21:23,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:23,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:23,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:21:23,667 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:21:23,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-27 23:21:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:23,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-27 23:21:23,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:21:24,496 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-27 23:21:24,496 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:21:24,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:24,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679442231] [2024-11-27 23:21:24,983 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:21:24,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016599679] [2024-11-27 23:21:24,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016599679] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:21:24,983 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:21:24,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-27 23:21:24,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100868992] [2024-11-27 23:21:24,984 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:21:24,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 23:21:24,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:21:24,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 23:21:24,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-11-27 23:21:24,984 INFO L87 Difference]: Start difference. First operand 900 states and 1429 transitions. Second operand has 12 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-27 23:21:26,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:26,300 INFO L93 Difference]: Finished difference Result 935 states and 1445 transitions. [2024-11-27 23:21:26,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 23:21:26,301 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 117 [2024-11-27 23:21:26,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:26,305 INFO L225 Difference]: With dead ends: 935 [2024-11-27 23:21:26,305 INFO L226 Difference]: Without dead ends: 934 [2024-11-27 23:21:26,306 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2024-11-27 23:21:26,306 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 613 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 1194 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 618 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 1232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:26,308 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [618 Valid, 365 Invalid, 1232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1194 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-27 23:21:26,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2024-11-27 23:21:26,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 900. [2024-11-27 23:21:26,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 768 states have (on average 1.6731770833333333) internal successors, (1285), 826 states have internal predecessors, (1285), 71 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-27 23:21:26,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1427 transitions. [2024-11-27 23:21:26,370 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1427 transitions. Word has length 117 [2024-11-27 23:21:26,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:26,370 INFO L471 AbstractCegarLoop]: Abstraction has 900 states and 1427 transitions. [2024-11-27 23:21:26,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-27 23:21:26,370 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1427 transitions. [2024-11-27 23:21:26,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-27 23:21:26,371 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:26,371 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:26,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-11-27 23:21:26,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:26,572 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:21:26,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:26,572 INFO L85 PathProgramCache]: Analyzing trace with hash -145535279, now seen corresponding path program 1 times [2024-11-27 23:21:26,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:21:26,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019633139] [2024-11-27 23:21:26,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:26,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:21:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:21:26,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1579208474] [2024-11-27 23:21:26,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:26,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:26,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:21:26,596 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:21:26,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-27 23:21:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:26,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-27 23:21:26,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:21:27,131 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 3 proven. 30 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-27 23:21:27,131 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:21:27,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:27,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019633139] [2024-11-27 23:21:27,204 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:21:27,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579208474] [2024-11-27 23:21:27,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579208474] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:21:27,205 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:21:27,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-27 23:21:27,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101573052] [2024-11-27 23:21:27,205 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:21:27,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:21:27,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:21:27,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:21:27,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:21:27,206 INFO L87 Difference]: Start difference. First operand 900 states and 1427 transitions. Second operand has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-27 23:21:27,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:27,886 INFO L93 Difference]: Finished difference Result 1041 states and 1629 transitions. [2024-11-27 23:21:27,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 23:21:27,887 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 118 [2024-11-27 23:21:27,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:27,891 INFO L225 Difference]: With dead ends: 1041 [2024-11-27 23:21:27,892 INFO L226 Difference]: Without dead ends: 1039 [2024-11-27 23:21:27,892 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:21:27,893 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 225 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:27,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 462 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 23:21:27,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2024-11-27 23:21:27,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1000. [2024-11-27 23:21:27,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1000 states, 859 states have (on average 1.6891734575087312) internal successors, (1451), 917 states have internal predecessors, (1451), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-27 23:21:27,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 1000 states and 1611 transitions. [2024-11-27 23:21:27,971 INFO L78 Accepts]: Start accepts. Automaton has 1000 states and 1611 transitions. Word has length 118 [2024-11-27 23:21:27,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:27,971 INFO L471 AbstractCegarLoop]: Abstraction has 1000 states and 1611 transitions. [2024-11-27 23:21:27,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-27 23:21:27,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1611 transitions. [2024-11-27 23:21:27,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-27 23:21:27,973 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:27,973 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:27,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-27 23:21:28,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:28,173 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:21:28,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:28,174 INFO L85 PathProgramCache]: Analyzing trace with hash -216626267, now seen corresponding path program 1 times [2024-11-27 23:21:28,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:21:28,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805727545] [2024-11-27 23:21:28,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:28,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:21:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:21:28,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [915055942] [2024-11-27 23:21:28,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:28,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:28,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:21:28,203 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:21:28,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-27 23:21:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:28,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-27 23:21:28,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:21:28,630 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-27 23:21:28,631 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:21:28,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:28,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805727545] [2024-11-27 23:21:28,835 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:21:28,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915055942] [2024-11-27 23:21:28,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915055942] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:21:28,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:21:28,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-27 23:21:28,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159976414] [2024-11-27 23:21:28,835 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:21:28,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:21:28,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:21:28,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:21:28,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:21:28,837 INFO L87 Difference]: Start difference. First operand 1000 states and 1611 transitions. Second operand has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-27 23:21:29,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:29,271 INFO L93 Difference]: Finished difference Result 1041 states and 1624 transitions. [2024-11-27 23:21:29,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:21:29,271 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 119 [2024-11-27 23:21:29,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:29,274 INFO L225 Difference]: With dead ends: 1041 [2024-11-27 23:21:29,274 INFO L226 Difference]: Without dead ends: 1039 [2024-11-27 23:21:29,275 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:21:29,275 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 261 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:29,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 547 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:21:29,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2024-11-27 23:21:29,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1001. [2024-11-27 23:21:29,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1001 states, 860 states have (on average 1.6837209302325582) internal successors, (1448), 918 states have internal predecessors, (1448), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-27 23:21:29,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 1001 states and 1608 transitions. [2024-11-27 23:21:29,343 INFO L78 Accepts]: Start accepts. Automaton has 1001 states and 1608 transitions. Word has length 119 [2024-11-27 23:21:29,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:29,343 INFO L471 AbstractCegarLoop]: Abstraction has 1001 states and 1608 transitions. [2024-11-27 23:21:29,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-27 23:21:29,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1608 transitions. [2024-11-27 23:21:29,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-27 23:21:29,344 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:29,344 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:29,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-11-27 23:21:29,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:29,544 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:21:29,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:29,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1874520403, now seen corresponding path program 1 times [2024-11-27 23:21:29,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:21:29,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768207486] [2024-11-27 23:21:29,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:29,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:21:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:21:29,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1664861891] [2024-11-27 23:21:29,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:29,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:29,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:21:29,567 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:21:29,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-27 23:21:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:29,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-27 23:21:29,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:21:30,159 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 3 proven. 32 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-27 23:21:30,159 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:21:30,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:30,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768207486] [2024-11-27 23:21:30,230 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:21:30,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664861891] [2024-11-27 23:21:30,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664861891] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:21:30,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:21:30,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-27 23:21:30,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311022474] [2024-11-27 23:21:30,231 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:21:30,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 23:21:30,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:21:30,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 23:21:30,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:21:30,232 INFO L87 Difference]: Start difference. First operand 1001 states and 1608 transitions. Second operand has 9 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-27 23:21:31,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:31,114 INFO L93 Difference]: Finished difference Result 1042 states and 1619 transitions. [2024-11-27 23:21:31,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:21:31,115 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 120 [2024-11-27 23:21:31,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:31,119 INFO L225 Difference]: With dead ends: 1042 [2024-11-27 23:21:31,119 INFO L226 Difference]: Without dead ends: 1039 [2024-11-27 23:21:31,120 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:21:31,121 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 260 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:31,121 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 407 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 23:21:31,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2024-11-27 23:21:31,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1004. [2024-11-27 23:21:31,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 863 states have (on average 1.6778679026651218) internal successors, (1448), 921 states have internal predecessors, (1448), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-27 23:21:31,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1608 transitions. [2024-11-27 23:21:31,184 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1608 transitions. Word has length 120 [2024-11-27 23:21:31,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:31,184 INFO L471 AbstractCegarLoop]: Abstraction has 1004 states and 1608 transitions. [2024-11-27 23:21:31,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-27 23:21:31,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1608 transitions. [2024-11-27 23:21:31,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-27 23:21:31,185 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:31,185 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:31,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-11-27 23:21:31,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:31,386 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:21:31,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:31,386 INFO L85 PathProgramCache]: Analyzing trace with hash -2019409561, now seen corresponding path program 1 times [2024-11-27 23:21:31,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:21:31,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899380744] [2024-11-27 23:21:31,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:31,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:21:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:21:31,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [363271080] [2024-11-27 23:21:31,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:31,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:31,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:21:31,414 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:21:31,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-27 23:21:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:31,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-27 23:21:31,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:21:32,083 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-27 23:21:32,083 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:21:32,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:32,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899380744] [2024-11-27 23:21:32,141 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:21:32,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363271080] [2024-11-27 23:21:32,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363271080] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:21:32,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:21:32,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-27 23:21:32,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9967306] [2024-11-27 23:21:32,142 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:21:32,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:21:32,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:21:32,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:21:32,142 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:21:32,143 INFO L87 Difference]: Start difference. First operand 1004 states and 1608 transitions. Second operand has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-27 23:21:32,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:32,905 INFO L93 Difference]: Finished difference Result 1041 states and 1613 transitions. [2024-11-27 23:21:32,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:21:32,905 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 121 [2024-11-27 23:21:32,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:32,908 INFO L225 Difference]: With dead ends: 1041 [2024-11-27 23:21:32,908 INFO L226 Difference]: Without dead ends: 1028 [2024-11-27 23:21:32,909 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:21:32,909 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 182 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:32,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 486 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 23:21:32,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2024-11-27 23:21:32,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 998. [2024-11-27 23:21:32,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 858 states have (on average 1.67016317016317) internal successors, (1433), 916 states have internal predecessors, (1433), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-27 23:21:32,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1591 transitions. [2024-11-27 23:21:32,981 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1591 transitions. Word has length 121 [2024-11-27 23:21:32,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:32,981 INFO L471 AbstractCegarLoop]: Abstraction has 998 states and 1591 transitions. [2024-11-27 23:21:32,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-27 23:21:32,982 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1591 transitions. [2024-11-27 23:21:32,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-27 23:21:32,982 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:32,983 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:32,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-11-27 23:21:33,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:33,187 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:21:33,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:33,187 INFO L85 PathProgramCache]: Analyzing trace with hash 874466869, now seen corresponding path program 1 times [2024-11-27 23:21:33,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:21:33,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252905839] [2024-11-27 23:21:33,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:33,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:21:33,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:21:33,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [130875635] [2024-11-27 23:21:33,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:33,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:33,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:21:33,207 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:21:33,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-27 23:21:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:33,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-27 23:21:33,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:21:34,124 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 6 proven. 32 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-27 23:21:34,124 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:21:34,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:34,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252905839] [2024-11-27 23:21:34,343 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:21:34,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130875635] [2024-11-27 23:21:34,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130875635] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:21:34,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:21:34,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-27 23:21:34,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525280110] [2024-11-27 23:21:34,344 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:21:34,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 23:21:34,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:21:34,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 23:21:34,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-27 23:21:34,345 INFO L87 Difference]: Start difference. First operand 998 states and 1591 transitions. Second operand has 11 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-27 23:21:35,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:35,385 INFO L93 Difference]: Finished difference Result 1022 states and 1607 transitions. [2024-11-27 23:21:35,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 23:21:35,386 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 127 [2024-11-27 23:21:35,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:35,389 INFO L225 Difference]: With dead ends: 1022 [2024-11-27 23:21:35,389 INFO L226 Difference]: Without dead ends: 1020 [2024-11-27 23:21:35,390 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2024-11-27 23:21:35,391 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 640 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 1250 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 1294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:35,391 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [645 Valid, 445 Invalid, 1294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1250 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 23:21:35,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2024-11-27 23:21:35,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 998. [2024-11-27 23:21:35,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 858 states have (on average 1.6655011655011656) internal successors, (1429), 916 states have internal predecessors, (1429), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-27 23:21:35,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1587 transitions. [2024-11-27 23:21:35,454 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1587 transitions. Word has length 127 [2024-11-27 23:21:35,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:35,454 INFO L471 AbstractCegarLoop]: Abstraction has 998 states and 1587 transitions. [2024-11-27 23:21:35,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-27 23:21:35,455 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1587 transitions. [2024-11-27 23:21:35,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-27 23:21:35,455 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:35,456 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:35,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-11-27 23:21:35,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-27 23:21:35,660 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:21:35,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:35,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1338669258, now seen corresponding path program 1 times [2024-11-27 23:21:35,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:21:35,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678665662] [2024-11-27 23:21:35,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:35,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:21:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:21:35,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1894139116] [2024-11-27 23:21:35,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:35,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:35,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:21:35,684 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:21:35,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-27 23:21:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:35,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-27 23:21:35,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:21:36,489 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-27 23:21:36,489 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:21:45,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:45,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678665662] [2024-11-27 23:21:45,010 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:21:45,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894139116] [2024-11-27 23:21:45,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1894139116] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:21:45,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:21:45,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-27 23:21:45,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170323086] [2024-11-27 23:21:45,011 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:21:45,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 23:21:45,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:21:45,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 23:21:45,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=168, Unknown=2, NotChecked=0, Total=210 [2024-11-27 23:21:45,012 INFO L87 Difference]: Start difference. First operand 998 states and 1587 transitions. Second operand has 11 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-27 23:21:46,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:46,092 INFO L93 Difference]: Finished difference Result 1022 states and 1603 transitions. [2024-11-27 23:21:46,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 23:21:46,092 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 128 [2024-11-27 23:21:46,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:46,096 INFO L225 Difference]: With dead ends: 1022 [2024-11-27 23:21:46,096 INFO L226 Difference]: Without dead ends: 1020 [2024-11-27 23:21:46,096 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=87, Invalid=291, Unknown=2, NotChecked=0, Total=380 [2024-11-27 23:21:46,097 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 399 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 1246 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 1272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:46,097 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 466 Invalid, 1272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1246 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 23:21:46,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2024-11-27 23:21:46,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 998. [2024-11-27 23:21:46,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 858 states have (on average 1.6608391608391608) internal successors, (1425), 916 states have internal predecessors, (1425), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-27 23:21:46,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1583 transitions. [2024-11-27 23:21:46,166 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1583 transitions. Word has length 128 [2024-11-27 23:21:46,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:46,167 INFO L471 AbstractCegarLoop]: Abstraction has 998 states and 1583 transitions. [2024-11-27 23:21:46,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-27 23:21:46,167 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1583 transitions. [2024-11-27 23:21:46,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-27 23:21:46,168 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:46,168 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:46,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2024-11-27 23:21:46,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-27 23:21:46,368 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:21:46,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:46,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1450925865, now seen corresponding path program 1 times [2024-11-27 23:21:46,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:21:46,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186255569] [2024-11-27 23:21:46,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:46,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:21:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:21:46,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [69032863] [2024-11-27 23:21:46,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:46,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:46,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:21:46,396 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:21:46,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-27 23:21:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:46,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-27 23:21:46,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:21:47,404 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 6 proven. 34 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-27 23:21:47,405 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:21:55,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:55,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186255569] [2024-11-27 23:21:55,848 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:21:55,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69032863] [2024-11-27 23:21:55,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69032863] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:21:55,849 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:21:55,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-27 23:21:55,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123495287] [2024-11-27 23:21:55,849 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:21:55,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 23:21:55,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:21:55,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 23:21:55,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=280, Unknown=2, NotChecked=0, Total=342 [2024-11-27 23:21:55,850 INFO L87 Difference]: Start difference. First operand 998 states and 1583 transitions. Second operand has 13 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-27 23:21:57,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:57,243 INFO L93 Difference]: Finished difference Result 1030 states and 1613 transitions. [2024-11-27 23:21:57,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 23:21:57,243 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 129 [2024-11-27 23:21:57,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:57,247 INFO L225 Difference]: With dead ends: 1030 [2024-11-27 23:21:57,247 INFO L226 Difference]: Without dead ends: 1028 [2024-11-27 23:21:57,248 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=117, Invalid=531, Unknown=2, NotChecked=0, Total=650 [2024-11-27 23:21:57,248 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 452 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 1454 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 1483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:57,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 312 Invalid, 1483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1454 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-27 23:21:57,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2024-11-27 23:21:57,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 998. [2024-11-27 23:21:57,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 858 states have (on average 1.656177156177156) internal successors, (1421), 916 states have internal predecessors, (1421), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-27 23:21:57,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1579 transitions. [2024-11-27 23:21:57,300 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1579 transitions. Word has length 129 [2024-11-27 23:21:57,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:57,300 INFO L471 AbstractCegarLoop]: Abstraction has 998 states and 1579 transitions. [2024-11-27 23:21:57,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-27 23:21:57,300 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1579 transitions. [2024-11-27 23:21:57,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-27 23:21:57,301 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:57,301 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:57,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2024-11-27 23:21:57,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-27 23:21:57,502 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:21:57,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:57,502 INFO L85 PathProgramCache]: Analyzing trace with hash -2029028756, now seen corresponding path program 1 times [2024-11-27 23:21:57,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:21:57,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571474542] [2024-11-27 23:21:57,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:57,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:21:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:21:57,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2085369041] [2024-11-27 23:21:57,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:57,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:57,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:21:57,524 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:21:57,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-11-27 23:21:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:57,602 INFO L256 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-27 23:21:57,604 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:21:58,439 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 6 proven. 35 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-27 23:21:58,439 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:21:59,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:59,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571474542] [2024-11-27 23:21:59,147 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:21:59,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2085369041] [2024-11-27 23:21:59,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2085369041] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:21:59,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:21:59,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-27 23:21:59,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764806673] [2024-11-27 23:21:59,147 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:21:59,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 23:21:59,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:21:59,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 23:21:59,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2024-11-27 23:21:59,149 INFO L87 Difference]: Start difference. First operand 998 states and 1579 transitions. Second operand has 13 states, 11 states have (on average 7.181818181818182) internal successors, (79), 11 states have internal predecessors, (79), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-27 23:22:00,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:22:00,588 INFO L93 Difference]: Finished difference Result 1030 states and 1609 transitions. [2024-11-27 23:22:00,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 23:22:00,589 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.181818181818182) internal successors, (79), 11 states have internal predecessors, (79), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 130 [2024-11-27 23:22:00,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:22:00,594 INFO L225 Difference]: With dead ends: 1030 [2024-11-27 23:22:00,595 INFO L226 Difference]: Without dead ends: 1028 [2024-11-27 23:22:00,596 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=117, Invalid=533, Unknown=0, NotChecked=0, Total=650 [2024-11-27 23:22:00,596 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 589 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 1540 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 1578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:22:00,596 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 303 Invalid, 1578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1540 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-27 23:22:00,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2024-11-27 23:22:00,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 998. [2024-11-27 23:22:00,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 858 states have (on average 1.6515151515151516) internal successors, (1417), 916 states have internal predecessors, (1417), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-27 23:22:00,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1575 transitions. [2024-11-27 23:22:00,676 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1575 transitions. Word has length 130 [2024-11-27 23:22:00,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:22:00,676 INFO L471 AbstractCegarLoop]: Abstraction has 998 states and 1575 transitions. [2024-11-27 23:22:00,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.181818181818182) internal successors, (79), 11 states have internal predecessors, (79), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-27 23:22:00,676 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1575 transitions. [2024-11-27 23:22:00,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-27 23:22:00,677 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:22:00,678 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:22:00,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2024-11-27 23:22:00,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-27 23:22:00,878 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:22:00,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:22:00,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1524618105, now seen corresponding path program 1 times [2024-11-27 23:22:00,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:22:00,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026775268] [2024-11-27 23:22:00,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:00,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:22:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:22:00,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [839344882] [2024-11-27 23:22:00,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:00,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:22:00,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:22:00,902 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:22:00,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-11-27 23:22:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:22:01,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-27 23:22:01,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:22:02,146 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-27 23:22:02,146 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:22:02,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:22:02,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026775268] [2024-11-27 23:22:02,219 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:22:02,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839344882] [2024-11-27 23:22:02,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839344882] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:22:02,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:22:02,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-27 23:22:02,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124601003] [2024-11-27 23:22:02,220 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:22:02,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 23:22:02,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:22:02,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 23:22:02,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-11-27 23:22:02,221 INFO L87 Difference]: Start difference. First operand 998 states and 1575 transitions. Second operand has 14 states, 12 states have (on average 6.666666666666667) internal successors, (80), 12 states have internal predecessors, (80), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-27 23:22:03,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:22:03,710 INFO L93 Difference]: Finished difference Result 1029 states and 1605 transitions. [2024-11-27 23:22:03,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 23:22:03,711 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 6.666666666666667) internal successors, (80), 12 states have internal predecessors, (80), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 131 [2024-11-27 23:22:03,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:22:03,719 INFO L225 Difference]: With dead ends: 1029 [2024-11-27 23:22:03,720 INFO L226 Difference]: Without dead ends: 1028 [2024-11-27 23:22:03,720 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2024-11-27 23:22:03,721 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 571 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 1531 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 1558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:22:03,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 217 Invalid, 1558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1531 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-27 23:22:03,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2024-11-27 23:22:03,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 998. [2024-11-27 23:22:03,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 858 states have (on average 1.6491841491841492) internal successors, (1415), 916 states have internal predecessors, (1415), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-27 23:22:03,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1573 transitions. [2024-11-27 23:22:03,802 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1573 transitions. Word has length 131 [2024-11-27 23:22:03,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:22:03,803 INFO L471 AbstractCegarLoop]: Abstraction has 998 states and 1573 transitions. [2024-11-27 23:22:03,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 6.666666666666667) internal successors, (80), 12 states have internal predecessors, (80), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-27 23:22:03,803 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1573 transitions. [2024-11-27 23:22:03,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-27 23:22:03,804 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:22:03,804 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:22:03,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2024-11-27 23:22:04,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-27 23:22:04,008 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:22:04,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:22:04,008 INFO L85 PathProgramCache]: Analyzing trace with hash 18521102, now seen corresponding path program 1 times [2024-11-27 23:22:04,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:22:04,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651883888] [2024-11-27 23:22:04,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:04,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:22:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:22:04,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1309337190] [2024-11-27 23:22:04,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:04,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:22:04,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:22:04,030 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:22:04,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-11-27 23:22:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:22:04,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-27 23:22:04,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:22:05,526 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-27 23:22:05,526 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:22:10,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:22:10,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651883888] [2024-11-27 23:22:10,831 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:22:10,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309337190] [2024-11-27 23:22:10,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309337190] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:22:10,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:22:10,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-27 23:22:10,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793266469] [2024-11-27 23:22:10,832 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:22:10,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 23:22:10,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:22:10,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 23:22:10,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=196, Unknown=1, NotChecked=0, Total=240 [2024-11-27 23:22:10,833 INFO L87 Difference]: Start difference. First operand 998 states and 1573 transitions. Second operand has 11 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-27 23:22:12,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:22:12,289 INFO L93 Difference]: Finished difference Result 1017 states and 1589 transitions. [2024-11-27 23:22:12,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 23:22:12,290 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) Word has length 132 [2024-11-27 23:22:12,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:22:12,295 INFO L225 Difference]: With dead ends: 1017 [2024-11-27 23:22:12,295 INFO L226 Difference]: Without dead ends: 1014 [2024-11-27 23:22:12,296 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=58, Invalid=247, Unknown=1, NotChecked=0, Total=306 [2024-11-27 23:22:12,296 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 234 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 1454 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 1460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:22:12,297 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 391 Invalid, 1460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1454 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-27 23:22:12,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1014 states. [2024-11-27 23:22:12,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1014 to 998. [2024-11-27 23:22:12,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 858 states have (on average 1.6421911421911422) internal successors, (1409), 916 states have internal predecessors, (1409), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-27 23:22:12,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1567 transitions. [2024-11-27 23:22:12,370 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1567 transitions. Word has length 132 [2024-11-27 23:22:12,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:22:12,371 INFO L471 AbstractCegarLoop]: Abstraction has 998 states and 1567 transitions. [2024-11-27 23:22:12,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-27 23:22:12,371 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1567 transitions. [2024-11-27 23:22:12,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-27 23:22:12,372 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:22:12,373 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:22:12,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2024-11-27 23:22:12,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:22:12,577 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:22:12,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:22:12,577 INFO L85 PathProgramCache]: Analyzing trace with hash 705069349, now seen corresponding path program 1 times [2024-11-27 23:22:12,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:22:12,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281948622] [2024-11-27 23:22:12,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:12,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:22:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:22:12,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [702762048] [2024-11-27 23:22:12,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:12,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:22:12,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:22:12,595 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:22:12,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-11-27 23:22:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:22:12,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-27 23:22:12,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:22:14,183 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-27 23:22:14,183 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:22:18,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:22:18,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281948622] [2024-11-27 23:22:18,523 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:22:18,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702762048] [2024-11-27 23:22:18,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702762048] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:22:18,524 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:22:18,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-27 23:22:18,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450941478] [2024-11-27 23:22:18,524 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:22:18,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 23:22:18,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:22:18,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 23:22:18,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=218, Unknown=1, NotChecked=0, Total=272 [2024-11-27 23:22:18,525 INFO L87 Difference]: Start difference. First operand 998 states and 1567 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-27 23:22:20,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:22:20,830 INFO L93 Difference]: Finished difference Result 1015 states and 1583 transitions. [2024-11-27 23:22:20,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 23:22:20,830 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 138 [2024-11-27 23:22:20,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:22:20,834 INFO L225 Difference]: With dead ends: 1015 [2024-11-27 23:22:20,834 INFO L226 Difference]: Without dead ends: 1014 [2024-11-27 23:22:20,834 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=104, Invalid=401, Unknown=1, NotChecked=0, Total=506 [2024-11-27 23:22:20,835 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 391 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 1375 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 1401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:22:20,835 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 643 Invalid, 1401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1375 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-27 23:22:20,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1014 states. [2024-11-27 23:22:20,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1014 to 998. [2024-11-27 23:22:20,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 858 states have (on average 1.6398601398601398) internal successors, (1407), 916 states have internal predecessors, (1407), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-27 23:22:20,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1565 transitions. [2024-11-27 23:22:20,912 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1565 transitions. Word has length 138 [2024-11-27 23:22:20,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:22:20,912 INFO L471 AbstractCegarLoop]: Abstraction has 998 states and 1565 transitions. [2024-11-27 23:22:20,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-27 23:22:20,912 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1565 transitions. [2024-11-27 23:22:20,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-27 23:22:20,913 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:22:20,913 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:22:20,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2024-11-27 23:22:21,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:22:21,116 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:22:21,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:22:21,116 INFO L85 PathProgramCache]: Analyzing trace with hash 382313447, now seen corresponding path program 1 times [2024-11-27 23:22:21,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:22:21,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002016609] [2024-11-27 23:22:21,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:21,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:22:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:22:21,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1217040417] [2024-11-27 23:22:21,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:21,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:22:21,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:22:21,140 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:22:21,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2024-11-27 23:22:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:22:21,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-27 23:22:21,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:22:23,172 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 18 proven. 46 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-27 23:22:23,173 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:22:23,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:22:23,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002016609] [2024-11-27 23:22:23,645 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:22:23,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217040417] [2024-11-27 23:22:23,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217040417] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:22:23,645 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:22:23,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-27 23:22:23,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198472635] [2024-11-27 23:22:23,645 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:22:23,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-27 23:22:23,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:22:23,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-27 23:22:23,646 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:22:23,647 INFO L87 Difference]: Start difference. First operand 998 states and 1565 transitions. Second operand has 16 states, 15 states have (on average 5.733333333333333) internal successors, (86), 15 states have internal predecessors, (86), 6 states have call successors, (13), 1 states have call predecessors, (13), 3 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-27 23:22:26,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:22:26,096 INFO L93 Difference]: Finished difference Result 1017 states and 1583 transitions. [2024-11-27 23:22:26,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 23:22:26,097 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.733333333333333) internal successors, (86), 15 states have internal predecessors, (86), 6 states have call successors, (13), 1 states have call predecessors, (13), 3 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) Word has length 139 [2024-11-27 23:22:26,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:22:26,101 INFO L225 Difference]: With dead ends: 1017 [2024-11-27 23:22:26,101 INFO L226 Difference]: Without dead ends: 1016 [2024-11-27 23:22:26,102 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=102, Invalid=360, Unknown=0, NotChecked=0, Total=462 [2024-11-27 23:22:26,102 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 451 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 1858 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:22:26,102 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 461 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1858 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-27 23:22:26,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2024-11-27 23:22:26,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 998. [2024-11-27 23:22:26,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 858 states have (on average 1.6375291375291374) internal successors, (1405), 916 states have internal predecessors, (1405), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-27 23:22:26,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1563 transitions. [2024-11-27 23:22:26,183 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1563 transitions. Word has length 139 [2024-11-27 23:22:26,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:22:26,184 INFO L471 AbstractCegarLoop]: Abstraction has 998 states and 1563 transitions. [2024-11-27 23:22:26,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.733333333333333) internal successors, (86), 15 states have internal predecessors, (86), 6 states have call successors, (13), 1 states have call predecessors, (13), 3 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-27 23:22:26,184 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1563 transitions. [2024-11-27 23:22:26,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-27 23:22:26,185 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:22:26,185 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:22:26,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2024-11-27 23:22:26,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:22:26,390 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:22:26,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:22:26,391 INFO L85 PathProgramCache]: Analyzing trace with hash -753260119, now seen corresponding path program 1 times [2024-11-27 23:22:26,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:22:26,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472391572] [2024-11-27 23:22:26,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:26,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:22:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:22:26,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [804092974] [2024-11-27 23:22:26,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:26,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:22:26,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:22:26,418 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:22:26,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-11-27 23:22:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:22:26,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-27 23:22:26,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:22:32,456 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 6 proven. 34 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-27 23:22:32,456 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:22:32,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:22:32,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472391572] [2024-11-27 23:22:32,520 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:22:32,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804092974] [2024-11-27 23:22:32,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804092974] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:22:32,520 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:22:32,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-27 23:22:32,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247276487] [2024-11-27 23:22:32,521 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:22:32,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 23:22:32,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:22:32,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 23:22:32,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=153, Unknown=1, NotChecked=0, Total=182 [2024-11-27 23:22:32,522 INFO L87 Difference]: Start difference. First operand 998 states and 1563 transitions. Second operand has 13 states, 12 states have (on average 7.166666666666667) internal successors, (86), 12 states have internal predecessors, (86), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-27 23:22:34,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 23:22:36,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:22:36,582 INFO L93 Difference]: Finished difference Result 1015 states and 1579 transitions. [2024-11-27 23:22:36,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 23:22:36,582 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.166666666666667) internal successors, (86), 12 states have internal predecessors, (86), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 142 [2024-11-27 23:22:36,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:22:36,585 INFO L225 Difference]: With dead ends: 1015 [2024-11-27 23:22:36,585 INFO L226 Difference]: Without dead ends: 1014 [2024-11-27 23:22:36,586 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=69, Invalid=350, Unknown=1, NotChecked=0, Total=420 [2024-11-27 23:22:36,586 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 504 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 1686 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 1724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:22:36,586 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [509 Valid, 494 Invalid, 1724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1686 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-27 23:22:36,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1014 states. [2024-11-27 23:22:36,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1014 to 998. [2024-11-27 23:22:36,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 858 states have (on average 1.6351981351981353) internal successors, (1403), 916 states have internal predecessors, (1403), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-27 23:22:36,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1561 transitions. [2024-11-27 23:22:36,644 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1561 transitions. Word has length 142 [2024-11-27 23:22:36,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:22:36,644 INFO L471 AbstractCegarLoop]: Abstraction has 998 states and 1561 transitions. [2024-11-27 23:22:36,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.166666666666667) internal successors, (86), 12 states have internal predecessors, (86), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-27 23:22:36,644 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1561 transitions. [2024-11-27 23:22:36,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-27 23:22:36,644 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:22:36,645 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:22:36,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Ended with exit code 0 [2024-11-27 23:22:36,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:22:36,845 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:22:36,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:22:36,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1876227093, now seen corresponding path program 1 times [2024-11-27 23:22:36,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:22:36,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193441091] [2024-11-27 23:22:36,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:36,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:22:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:22:36,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1275378801] [2024-11-27 23:22:36,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:36,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:22:36,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:22:36,868 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:22:36,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2024-11-27 23:22:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:22:36,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-27 23:22:36,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:22:37,722 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 12 proven. 29 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-27 23:22:37,722 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:22:37,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:22:37,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193441091] [2024-11-27 23:22:37,838 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:22:37,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275378801] [2024-11-27 23:22:37,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275378801] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:22:37,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:22:37,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-27 23:22:37,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378830478] [2024-11-27 23:22:37,839 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:22:37,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 23:22:37,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:22:37,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 23:22:37,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:22:37,840 INFO L87 Difference]: Start difference. First operand 998 states and 1561 transitions. Second operand has 10 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 states have internal predecessors, (87), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-27 23:22:38,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:22:38,684 INFO L93 Difference]: Finished difference Result 1017 states and 1577 transitions. [2024-11-27 23:22:38,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:22:38,684 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 states have internal predecessors, (87), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 5 states have call successors, (13) Word has length 143 [2024-11-27 23:22:38,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:22:38,687 INFO L225 Difference]: With dead ends: 1017 [2024-11-27 23:22:38,687 INFO L226 Difference]: Without dead ends: 1016 [2024-11-27 23:22:38,687 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:22:38,688 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 84 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:22:38,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 723 Invalid, 902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 23:22:38,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2024-11-27 23:22:38,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 998. [2024-11-27 23:22:38,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 858 states have (on average 1.632867132867133) internal successors, (1401), 916 states have internal predecessors, (1401), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-27 23:22:38,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1559 transitions. [2024-11-27 23:22:38,765 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1559 transitions. Word has length 143 [2024-11-27 23:22:38,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:22:38,766 INFO L471 AbstractCegarLoop]: Abstraction has 998 states and 1559 transitions. [2024-11-27 23:22:38,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 states have internal predecessors, (87), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-27 23:22:38,766 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1559 transitions. [2024-11-27 23:22:38,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-27 23:22:38,767 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:22:38,767 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:22:38,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Ended with exit code 0 [2024-11-27 23:22:38,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2024-11-27 23:22:38,972 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:22:38,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:22:38,972 INFO L85 PathProgramCache]: Analyzing trace with hash 23179821, now seen corresponding path program 1 times [2024-11-27 23:22:38,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:22:38,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540021196] [2024-11-27 23:22:38,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:38,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:22:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:22:38,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [752104534] [2024-11-27 23:22:38,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:38,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:22:38,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:22:38,997 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:22:38,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2024-11-27 23:22:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:22:39,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-27 23:22:39,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:22:41,782 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 6 proven. 47 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-27 23:22:41,783 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:22:41,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:22:41,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540021196] [2024-11-27 23:22:41,867 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:22:41,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752104534] [2024-11-27 23:22:41,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752104534] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:22:41,868 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:22:41,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-27 23:22:41,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296571749] [2024-11-27 23:22:41,868 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:22:41,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 23:22:41,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:22:41,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 23:22:41,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-27 23:22:41,869 INFO L87 Difference]: Start difference. First operand 998 states and 1559 transitions. Second operand has 14 states, 12 states have (on average 7.5) internal successors, (90), 12 states have internal predecessors, (90), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-27 23:22:44,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:22:44,360 INFO L93 Difference]: Finished difference Result 1018 states and 1575 transitions. [2024-11-27 23:22:44,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 23:22:44,361 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 7.5) internal successors, (90), 12 states have internal predecessors, (90), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) Word has length 146 [2024-11-27 23:22:44,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:22:44,363 INFO L225 Difference]: With dead ends: 1018 [2024-11-27 23:22:44,363 INFO L226 Difference]: Without dead ends: 1014 [2024-11-27 23:22:44,363 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 141 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2024-11-27 23:22:44,364 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 409 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 1749 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 1779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:22:44,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 387 Invalid, 1779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1749 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-27 23:22:44,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1014 states. [2024-11-27 23:22:44,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1014 to 998. [2024-11-27 23:22:44,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 858 states have (on average 1.6235431235431235) internal successors, (1393), 916 states have internal predecessors, (1393), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-27 23:22:44,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1551 transitions. [2024-11-27 23:22:44,424 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1551 transitions. Word has length 146 [2024-11-27 23:22:44,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:22:44,425 INFO L471 AbstractCegarLoop]: Abstraction has 998 states and 1551 transitions. [2024-11-27 23:22:44,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 7.5) internal successors, (90), 12 states have internal predecessors, (90), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-27 23:22:44,425 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1551 transitions. [2024-11-27 23:22:44,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-27 23:22:44,426 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:22:44,426 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:22:44,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Ended with exit code 0 [2024-11-27 23:22:44,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2024-11-27 23:22:44,627 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:22:44,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:22:44,628 INFO L85 PathProgramCache]: Analyzing trace with hash 718574575, now seen corresponding path program 1 times [2024-11-27 23:22:44,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:22:44,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916559932] [2024-11-27 23:22:44,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:44,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:22:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:22:44,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1633500392] [2024-11-27 23:22:44,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:44,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:22:44,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:22:44,655 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:22:44,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2024-11-27 23:22:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:22:44,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-27 23:22:44,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:22:46,309 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-27 23:22:46,309 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:22:46,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:22:46,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916559932] [2024-11-27 23:22:46,794 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:22:46,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633500392] [2024-11-27 23:22:46,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633500392] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:22:46,794 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:22:46,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-27 23:22:46,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620954144] [2024-11-27 23:22:46,794 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:22:46,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-27 23:22:46,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:22:46,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-27 23:22:46,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2024-11-27 23:22:46,796 INFO L87 Difference]: Start difference. First operand 998 states and 1551 transitions. Second operand has 16 states, 14 states have (on average 6.714285714285714) internal successors, (94), 14 states have internal predecessors, (94), 6 states have call successors, (13), 1 states have call predecessors, (13), 3 states have return successors, (13), 7 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-27 23:22:52,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:22:52,542 INFO L93 Difference]: Finished difference Result 1016 states and 1567 transitions. [2024-11-27 23:22:52,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 23:22:52,543 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 6.714285714285714) internal successors, (94), 14 states have internal predecessors, (94), 6 states have call successors, (13), 1 states have call predecessors, (13), 3 states have return successors, (13), 7 states have call predecessors, (13), 6 states have call successors, (13) Word has length 147 [2024-11-27 23:22:52,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:22:52,546 INFO L225 Difference]: With dead ends: 1016 [2024-11-27 23:22:52,546 INFO L226 Difference]: Without dead ends: 1014 [2024-11-27 23:22:52,546 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2024-11-27 23:22:52,547 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 388 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 2160 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 2179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:22:52,547 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 385 Invalid, 2179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2160 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-11-27 23:22:52,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1014 states. [2024-11-27 23:22:52,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1014 to 998. [2024-11-27 23:22:52,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 858 states have (on average 1.618881118881119) internal successors, (1389), 916 states have internal predecessors, (1389), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-27 23:22:52,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1547 transitions. [2024-11-27 23:22:52,631 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1547 transitions. Word has length 147 [2024-11-27 23:22:52,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:22:52,631 INFO L471 AbstractCegarLoop]: Abstraction has 998 states and 1547 transitions. [2024-11-27 23:22:52,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 6.714285714285714) internal successors, (94), 14 states have internal predecessors, (94), 6 states have call successors, (13), 1 states have call predecessors, (13), 3 states have return successors, (13), 7 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-27 23:22:52,631 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1547 transitions. [2024-11-27 23:22:52,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-27 23:22:52,632 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:22:52,632 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:22:52,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Ended with exit code 0 [2024-11-27 23:22:52,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:22:52,833 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:22:52,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:22:52,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1203766263, now seen corresponding path program 1 times [2024-11-27 23:22:52,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:22:52,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407716132] [2024-11-27 23:22:52,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:52,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:22:52,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:22:52,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1265409920] [2024-11-27 23:22:52,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:52,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:22:52,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:22:52,863 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:22:52,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2024-11-27 23:22:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:22:52,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-27 23:22:52,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:22:53,989 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 24 proven. 47 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-11-27 23:22:53,989 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:22:54,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:22:54,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407716132] [2024-11-27 23:22:54,509 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:22:54,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265409920] [2024-11-27 23:22:54,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1265409920] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:22:54,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:22:54,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-27 23:22:54,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408076729] [2024-11-27 23:22:54,509 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:22:54,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 23:22:54,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:22:54,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 23:22:54,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-27 23:22:54,510 INFO L87 Difference]: Start difference. First operand 998 states and 1547 transitions. Second operand has 13 states, 12 states have (on average 8.5) internal successors, (102), 12 states have internal predecessors, (102), 5 states have call successors, (13), 1 states have call predecessors, (13), 3 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-27 23:22:57,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:22:57,435 INFO L93 Difference]: Finished difference Result 1007 states and 1551 transitions. [2024-11-27 23:22:57,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 23:22:57,436 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 8.5) internal successors, (102), 12 states have internal predecessors, (102), 5 states have call successors, (13), 1 states have call predecessors, (13), 3 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) Word has length 155 [2024-11-27 23:22:57,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:22:57,438 INFO L225 Difference]: With dead ends: 1007 [2024-11-27 23:22:57,438 INFO L226 Difference]: Without dead ends: 1005 [2024-11-27 23:22:57,438 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2024-11-27 23:22:57,439 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 282 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 1541 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 1553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-27 23:22:57,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 510 Invalid, 1553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1541 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-27 23:22:57,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2024-11-27 23:22:57,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 998. [2024-11-27 23:22:57,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 858 states have (on average 1.6142191142191142) internal successors, (1385), 916 states have internal predecessors, (1385), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-27 23:22:57,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1543 transitions. [2024-11-27 23:22:57,494 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1543 transitions. Word has length 155 [2024-11-27 23:22:57,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:22:57,494 INFO L471 AbstractCegarLoop]: Abstraction has 998 states and 1543 transitions. [2024-11-27 23:22:57,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 8.5) internal successors, (102), 12 states have internal predecessors, (102), 5 states have call successors, (13), 1 states have call predecessors, (13), 3 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-27 23:22:57,495 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1543 transitions. [2024-11-27 23:22:57,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-27 23:22:57,495 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:22:57,495 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:22:57,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Ended with exit code 0 [2024-11-27 23:22:57,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:22:57,696 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:22:57,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:22:57,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1598756135, now seen corresponding path program 1 times [2024-11-27 23:22:57,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:22:57,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890394187] [2024-11-27 23:22:57,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:57,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:22:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:22:57,916 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-27 23:22:57,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:22:57,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890394187] [2024-11-27 23:22:57,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890394187] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:22:57,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418482238] [2024-11-27 23:22:57,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:57,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:22:57,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:22:57,920 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:22:57,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2024-11-27 23:22:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:22:58,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 23:22:58,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:22:58,541 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-27 23:22:58,541 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:22:58,918 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-27 23:22:58,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418482238] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:22:58,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:22:58,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 15 [2024-11-27 23:22:58,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581928716] [2024-11-27 23:22:58,919 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:22:58,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-27 23:22:58,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:22:58,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-27 23:22:58,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-27 23:22:58,921 INFO L87 Difference]: Start difference. First operand 998 states and 1543 transitions. Second operand has 16 states, 15 states have (on average 18.0) internal successors, (270), 16 states have internal predecessors, (270), 14 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 14 states have call predecessors, (41), 14 states have call successors, (41) [2024-11-27 23:23:00,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:00,444 INFO L93 Difference]: Finished difference Result 1090 states and 1647 transitions. [2024-11-27 23:23:00,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 23:23:00,445 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 18.0) internal successors, (270), 16 states have internal predecessors, (270), 14 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 14 states have call predecessors, (41), 14 states have call successors, (41) Word has length 159 [2024-11-27 23:23:00,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:00,448 INFO L225 Difference]: With dead ends: 1090 [2024-11-27 23:23:00,448 INFO L226 Difference]: Without dead ends: 1089 [2024-11-27 23:23:00,449 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2024-11-27 23:23:00,449 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 533 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 1093 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 1142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:00,450 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 635 Invalid, 1142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 1093 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-27 23:23:00,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2024-11-27 23:23:00,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 1086. [2024-11-27 23:23:00,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 938 states have (on average 1.5660980810234542) internal successors, (1469), 996 states have internal predecessors, (1469), 87 states have call successors, (87), 2 states have call predecessors, (87), 2 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-27 23:23:00,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1643 transitions. [2024-11-27 23:23:00,526 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1643 transitions. Word has length 159 [2024-11-27 23:23:00,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:00,526 INFO L471 AbstractCegarLoop]: Abstraction has 1086 states and 1643 transitions. [2024-11-27 23:23:00,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 18.0) internal successors, (270), 16 states have internal predecessors, (270), 14 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 14 states have call predecessors, (41), 14 states have call successors, (41) [2024-11-27 23:23:00,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1643 transitions. [2024-11-27 23:23:00,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-27 23:23:00,528 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:00,528 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:00,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:00,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2024-11-27 23:23:00,728 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:23:00,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:00,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1812130327, now seen corresponding path program 1 times [2024-11-27 23:23:00,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:00,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878029445] [2024-11-27 23:23:00,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:00,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:23:00,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1036114087] [2024-11-27 23:23:00,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:00,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:00,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:00,756 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:00,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2024-11-27 23:23:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:00,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:23:00,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:01,200 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-27 23:23:01,200 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:23:01,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:01,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878029445] [2024-11-27 23:23:01,200 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:23:01,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036114087] [2024-11-27 23:23:01,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1036114087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:01,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:01,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:23:01,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647349656] [2024-11-27 23:23:01,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:01,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:23:01,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:01,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:23:01,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:23:01,201 INFO L87 Difference]: Start difference. First operand 1086 states and 1643 transitions. Second operand has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-27 23:23:01,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:01,484 INFO L93 Difference]: Finished difference Result 1090 states and 1643 transitions. [2024-11-27 23:23:01,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:23:01,485 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 163 [2024-11-27 23:23:01,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:01,488 INFO L225 Difference]: With dead ends: 1090 [2024-11-27 23:23:01,489 INFO L226 Difference]: Without dead ends: 1089 [2024-11-27 23:23:01,489 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:23:01,490 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 30 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:01,490 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 277 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:23:01,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2024-11-27 23:23:01,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 1086. [2024-11-27 23:23:01,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 938 states have (on average 1.5650319829424306) internal successors, (1468), 996 states have internal predecessors, (1468), 87 states have call successors, (87), 2 states have call predecessors, (87), 2 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-27 23:23:01,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1642 transitions. [2024-11-27 23:23:01,592 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1642 transitions. Word has length 163 [2024-11-27 23:23:01,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:01,592 INFO L471 AbstractCegarLoop]: Abstraction has 1086 states and 1642 transitions. [2024-11-27 23:23:01,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-27 23:23:01,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1642 transitions. [2024-11-27 23:23:01,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-27 23:23:01,594 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:01,594 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:01,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:01,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2024-11-27 23:23:01,794 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:23:01,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:01,795 INFO L85 PathProgramCache]: Analyzing trace with hash -332960373, now seen corresponding path program 2 times [2024-11-27 23:23:01,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:01,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726468901] [2024-11-27 23:23:01,795 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:23:01,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:01,817 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:23:01,817 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 23:23:01,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1842320871] [2024-11-27 23:23:01,818 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:23:01,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:01,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:01,821 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:01,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2024-11-27 23:23:01,905 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:23:01,905 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:23:01,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-27 23:23:01,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:02,743 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 15 proven. 70 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-27 23:23:02,743 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:23:02,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:02,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726468901] [2024-11-27 23:23:02,952 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:23:02,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842320871] [2024-11-27 23:23:02,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842320871] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:02,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:23:02,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-27 23:23:02,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178275632] [2024-11-27 23:23:02,953 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:23:02,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 23:23:02,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:02,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 23:23:02,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:23:02,954 INFO L87 Difference]: Start difference. First operand 1086 states and 1642 transitions. Second operand has 12 states, 11 states have (on average 9.545454545454545) internal successors, (105), 11 states have internal predecessors, (105), 6 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-27 23:23:04,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:04,023 INFO L93 Difference]: Finished difference Result 1091 states and 1644 transitions. [2024-11-27 23:23:04,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 23:23:04,023 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.545454545454545) internal successors, (105), 11 states have internal predecessors, (105), 6 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) Word has length 163 [2024-11-27 23:23:04,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:04,027 INFO L225 Difference]: With dead ends: 1091 [2024-11-27 23:23:04,027 INFO L226 Difference]: Without dead ends: 1089 [2024-11-27 23:23:04,028 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2024-11-27 23:23:04,028 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 359 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:04,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 584 Invalid, 808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 23:23:04,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2024-11-27 23:23:04,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 1086. [2024-11-27 23:23:04,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 938 states have (on average 1.5628997867803838) internal successors, (1466), 996 states have internal predecessors, (1466), 87 states have call successors, (87), 2 states have call predecessors, (87), 2 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-27 23:23:04,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1640 transitions. [2024-11-27 23:23:04,120 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1640 transitions. Word has length 163 [2024-11-27 23:23:04,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:04,121 INFO L471 AbstractCegarLoop]: Abstraction has 1086 states and 1640 transitions. [2024-11-27 23:23:04,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.545454545454545) internal successors, (105), 11 states have internal predecessors, (105), 6 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-27 23:23:04,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1640 transitions. [2024-11-27 23:23:04,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-27 23:23:04,122 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:04,122 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:04,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:04,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:04,323 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:23:04,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:04,323 INFO L85 PathProgramCache]: Analyzing trace with hash -341465115, now seen corresponding path program 1 times [2024-11-27 23:23:04,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:04,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828469374] [2024-11-27 23:23:04,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:04,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:04,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:23:04,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [202164591] [2024-11-27 23:23:04,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:04,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:04,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:04,345 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:04,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2024-11-27 23:23:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:04,453 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:23:04,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:04,838 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-27 23:23:04,839 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:23:05,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:05,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828469374] [2024-11-27 23:23:05,371 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:23:05,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202164591] [2024-11-27 23:23:05,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [202164591] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:05,371 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:23:05,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-27 23:23:05,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195173799] [2024-11-27 23:23:05,372 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:23:05,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:23:05,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:05,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:23:05,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:23:05,373 INFO L87 Difference]: Start difference. First operand 1086 states and 1640 transitions. Second operand has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-27 23:23:05,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:05,876 INFO L93 Difference]: Finished difference Result 1099 states and 1651 transitions. [2024-11-27 23:23:05,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:23:05,876 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 164 [2024-11-27 23:23:05,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:05,879 INFO L225 Difference]: With dead ends: 1099 [2024-11-27 23:23:05,879 INFO L226 Difference]: Without dead ends: 1098 [2024-11-27 23:23:05,879 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:23:05,879 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 75 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:05,879 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 346 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:23:05,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2024-11-27 23:23:05,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1093. [2024-11-27 23:23:05,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1093 states, 945 states have (on average 1.5587301587301587) internal successors, (1473), 1003 states have internal predecessors, (1473), 87 states have call successors, (87), 2 states have call predecessors, (87), 2 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-27 23:23:05,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 1093 states and 1647 transitions. [2024-11-27 23:23:05,945 INFO L78 Accepts]: Start accepts. Automaton has 1093 states and 1647 transitions. Word has length 164 [2024-11-27 23:23:05,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:05,945 INFO L471 AbstractCegarLoop]: Abstraction has 1093 states and 1647 transitions. [2024-11-27 23:23:05,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-27 23:23:05,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1647 transitions. [2024-11-27 23:23:05,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-27 23:23:05,946 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:05,946 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:05,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:06,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:06,147 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:23:06,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:06,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1366164346, now seen corresponding path program 1 times [2024-11-27 23:23:06,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:06,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454213191] [2024-11-27 23:23:06,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:06,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:06,380 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-27 23:23:06,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:06,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454213191] [2024-11-27 23:23:06,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454213191] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:06,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014522543] [2024-11-27 23:23:06,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:06,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:06,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:06,383 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:06,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2024-11-27 23:23:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:06,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 23:23:06,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:07,006 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-27 23:23:07,006 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:23:07,394 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-27 23:23:07,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014522543] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:23:07,394 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:23:07,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 18 [2024-11-27 23:23:07,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119381283] [2024-11-27 23:23:07,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:23:07,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-27 23:23:07,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:07,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-27 23:23:07,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2024-11-27 23:23:07,396 INFO L87 Difference]: Start difference. First operand 1093 states and 1647 transitions. Second operand has 19 states, 18 states have (on average 16.0) internal successors, (288), 19 states have internal predecessors, (288), 14 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 14 states have call predecessors, (41), 14 states have call successors, (41) [2024-11-27 23:23:11,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:11,055 INFO L93 Difference]: Finished difference Result 1744 states and 2319 transitions. [2024-11-27 23:23:11,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-27 23:23:11,055 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 16.0) internal successors, (288), 19 states have internal predecessors, (288), 14 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 14 states have call predecessors, (41), 14 states have call successors, (41) Word has length 165 [2024-11-27 23:23:11,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:11,060 INFO L225 Difference]: With dead ends: 1744 [2024-11-27 23:23:11,060 INFO L226 Difference]: Without dead ends: 1743 [2024-11-27 23:23:11,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1631 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1211, Invalid=3901, Unknown=0, NotChecked=0, Total=5112 [2024-11-27 23:23:11,063 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 3115 mSDsluCounter, 698 mSDsCounter, 0 mSdLazyCounter, 1866 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3116 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 2068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 1866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:11,063 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3116 Valid, 784 Invalid, 2068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 1866 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-27 23:23:11,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1743 states. [2024-11-27 23:23:11,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1743 to 1324. [2024-11-27 23:23:11,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1324 states, 1156 states have (on average 1.5813148788927336) internal successors, (1828), 1214 states have internal predecessors, (1828), 107 states have call successors, (107), 2 states have call predecessors, (107), 2 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) [2024-11-27 23:23:11,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1324 states and 2042 transitions. [2024-11-27 23:23:11,231 INFO L78 Accepts]: Start accepts. Automaton has 1324 states and 2042 transitions. Word has length 165 [2024-11-27 23:23:11,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:11,232 INFO L471 AbstractCegarLoop]: Abstraction has 1324 states and 2042 transitions. [2024-11-27 23:23:11,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 16.0) internal successors, (288), 19 states have internal predecessors, (288), 14 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 14 states have call predecessors, (41), 14 states have call successors, (41) [2024-11-27 23:23:11,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 2042 transitions. [2024-11-27 23:23:11,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-27 23:23:11,233 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:11,233 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:11,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:11,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62 [2024-11-27 23:23:11,434 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:23:11,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:11,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1730455385, now seen corresponding path program 1 times [2024-11-27 23:23:11,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:11,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129432464] [2024-11-27 23:23:11,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:11,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:23:11,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [164850570] [2024-11-27 23:23:11,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:11,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:11,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:11,453 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:11,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2024-11-27 23:23:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:11,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 23:23:11,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:12,106 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-27 23:23:12,106 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:23:12,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:12,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129432464] [2024-11-27 23:23:12,106 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:23:12,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164850570] [2024-11-27 23:23:12,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164850570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:12,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:12,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:23:12,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641851880] [2024-11-27 23:23:12,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:12,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:23:12,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:12,108 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:23:12,108 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:23:12,108 INFO L87 Difference]: Start difference. First operand 1324 states and 2042 transitions. Second operand has 6 states, 5 states have (on average 20.4) internal successors, (102), 6 states have internal predecessors, (102), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-27 23:23:12,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:12,545 INFO L93 Difference]: Finished difference Result 1328 states and 2042 transitions. [2024-11-27 23:23:12,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:23:12,545 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.4) internal successors, (102), 6 states have internal predecessors, (102), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 166 [2024-11-27 23:23:12,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:12,548 INFO L225 Difference]: With dead ends: 1328 [2024-11-27 23:23:12,548 INFO L226 Difference]: Without dead ends: 1327 [2024-11-27 23:23:12,548 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:23:12,549 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 19 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:12,549 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 349 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:23:12,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1327 states. [2024-11-27 23:23:12,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1327 to 1324. [2024-11-27 23:23:12,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1324 states, 1156 states have (on average 1.5804498269896194) internal successors, (1827), 1214 states have internal predecessors, (1827), 107 states have call successors, (107), 2 states have call predecessors, (107), 2 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) [2024-11-27 23:23:12,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1324 states and 2041 transitions. [2024-11-27 23:23:12,677 INFO L78 Accepts]: Start accepts. Automaton has 1324 states and 2041 transitions. Word has length 166 [2024-11-27 23:23:12,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:12,677 INFO L471 AbstractCegarLoop]: Abstraction has 1324 states and 2041 transitions. [2024-11-27 23:23:12,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.4) internal successors, (102), 6 states have internal predecessors, (102), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-27 23:23:12,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 2041 transitions. [2024-11-27 23:23:12,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-27 23:23:12,678 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:12,678 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:12,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:12,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable63 [2024-11-27 23:23:12,879 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:23:12,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:12,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1377590278, now seen corresponding path program 1 times [2024-11-27 23:23:12,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:12,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295125470] [2024-11-27 23:23:12,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:12,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:13,059 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-27 23:23:13,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:13,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295125470] [2024-11-27 23:23:13,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295125470] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:13,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [872533274] [2024-11-27 23:23:13,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:13,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:13,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:13,063 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:13,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2024-11-27 23:23:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:13,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:23:13,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:13,273 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-27 23:23:13,273 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:23:13,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [872533274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:13,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:23:13,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-27 23:23:13,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232443976] [2024-11-27 23:23:13,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:13,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:23:13,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:13,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:23:13,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:23:13,275 INFO L87 Difference]: Start difference. First operand 1324 states and 2041 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-27 23:23:13,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:13,567 INFO L93 Difference]: Finished difference Result 1677 states and 2544 transitions. [2024-11-27 23:23:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:23:13,567 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 167 [2024-11-27 23:23:13,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:13,570 INFO L225 Difference]: With dead ends: 1677 [2024-11-27 23:23:13,570 INFO L226 Difference]: Without dead ends: 851 [2024-11-27 23:23:13,571 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:23:13,572 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 166 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:13,572 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 576 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:23:13,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2024-11-27 23:23:13,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 826. [2024-11-27 23:23:13,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 699 states have (on average 1.4177396280400572) internal successors, (991), 756 states have internal predecessors, (991), 67 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-27 23:23:13,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1125 transitions. [2024-11-27 23:23:13,704 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 1125 transitions. Word has length 167 [2024-11-27 23:23:13,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:13,705 INFO L471 AbstractCegarLoop]: Abstraction has 826 states and 1125 transitions. [2024-11-27 23:23:13,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-27 23:23:13,705 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1125 transitions. [2024-11-27 23:23:13,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-27 23:23:13,707 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:13,707 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:13,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:13,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2024-11-27 23:23:13,908 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:23:13,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:13,908 INFO L85 PathProgramCache]: Analyzing trace with hash 292089675, now seen corresponding path program 1 times [2024-11-27 23:23:13,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:13,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785930473] [2024-11-27 23:23:13,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:13,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:23:13,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1791821920] [2024-11-27 23:23:13,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:13,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:13,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:13,945 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:13,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2024-11-27 23:23:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:14,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 23:23:14,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:14,331 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 7 proven. 52 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-27 23:23:14,331 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:23:14,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:14,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785930473] [2024-11-27 23:23:14,404 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:23:14,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791821920] [2024-11-27 23:23:14,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791821920] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:14,404 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:23:14,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-27 23:23:14,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734062350] [2024-11-27 23:23:14,404 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:23:14,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 23:23:14,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:14,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 23:23:14,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:23:14,405 INFO L87 Difference]: Start difference. First operand 826 states and 1125 transitions. Second operand has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 23:23:15,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:15,669 INFO L93 Difference]: Finished difference Result 930 states and 1150 transitions. [2024-11-27 23:23:15,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 23:23:15,670 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 168 [2024-11-27 23:23:15,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:15,672 INFO L225 Difference]: With dead ends: 930 [2024-11-27 23:23:15,672 INFO L226 Difference]: Without dead ends: 928 [2024-11-27 23:23:15,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2024-11-27 23:23:15,673 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 495 mSDsluCounter, 809 mSDsCounter, 0 mSdLazyCounter, 1113 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 1142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:15,674 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [500 Valid, 955 Invalid, 1142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1113 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-27 23:23:15,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2024-11-27 23:23:15,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 826. [2024-11-27 23:23:15,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 699 states have (on average 1.413447782546495) internal successors, (988), 756 states have internal predecessors, (988), 67 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-27 23:23:15,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1122 transitions. [2024-11-27 23:23:15,782 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 1122 transitions. Word has length 168 [2024-11-27 23:23:15,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:15,783 INFO L471 AbstractCegarLoop]: Abstraction has 826 states and 1122 transitions. [2024-11-27 23:23:15,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 23:23:15,783 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1122 transitions. [2024-11-27 23:23:15,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-27 23:23:15,784 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:15,784 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:15,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:15,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,62 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:15,989 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:23:15,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:15,989 INFO L85 PathProgramCache]: Analyzing trace with hash -815279421, now seen corresponding path program 1 times [2024-11-27 23:23:15,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:15,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928239301] [2024-11-27 23:23:15,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:15,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:23:16,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1700968440] [2024-11-27 23:23:16,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:16,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:16,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:16,025 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:16,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2024-11-27 23:23:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:16,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-27 23:23:16,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:17,491 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 6 proven. 60 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-27 23:23:17,491 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:23:21,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:21,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928239301] [2024-11-27 23:23:21,754 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:23:21,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700968440] [2024-11-27 23:23:21,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1700968440] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:21,754 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:23:21,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-27 23:23:21,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114905656] [2024-11-27 23:23:21,755 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:23:21,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 23:23:21,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:21,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 23:23:21,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=275, Unknown=1, NotChecked=0, Total=342 [2024-11-27 23:23:21,756 INFO L87 Difference]: Start difference. First operand 826 states and 1122 transitions. Second operand has 14 states, 12 states have (on average 8.916666666666666) internal successors, (107), 12 states have internal predecessors, (107), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-27 23:23:23,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:23,862 INFO L93 Difference]: Finished difference Result 941 states and 1293 transitions. [2024-11-27 23:23:23,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 23:23:23,862 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 8.916666666666666) internal successors, (107), 12 states have internal predecessors, (107), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 168 [2024-11-27 23:23:23,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:23,864 INFO L225 Difference]: With dead ends: 941 [2024-11-27 23:23:23,865 INFO L226 Difference]: Without dead ends: 937 [2024-11-27 23:23:23,865 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=146, Invalid=555, Unknown=1, NotChecked=0, Total=702 [2024-11-27 23:23:23,866 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 579 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 2218 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 2260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 2218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:23,866 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 658 Invalid, 2260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 2218 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-27 23:23:23,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2024-11-27 23:23:23,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 920. [2024-11-27 23:23:23,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 920 states, 785 states have (on average 1.435668789808917) internal successors, (1127), 842 states have internal predecessors, (1127), 75 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-27 23:23:23,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1277 transitions. [2024-11-27 23:23:23,997 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1277 transitions. Word has length 168 [2024-11-27 23:23:23,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:23,997 INFO L471 AbstractCegarLoop]: Abstraction has 920 states and 1277 transitions. [2024-11-27 23:23:23,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 8.916666666666666) internal successors, (107), 12 states have internal predecessors, (107), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-27 23:23:23,997 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1277 transitions. [2024-11-27 23:23:23,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-27 23:23:23,999 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:23,999 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:24,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Ended with exit code 0 [2024-11-27 23:23:24,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2024-11-27 23:23:24,200 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:23:24,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:24,200 INFO L85 PathProgramCache]: Analyzing trace with hash 464845406, now seen corresponding path program 1 times [2024-11-27 23:23:24,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:24,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168231708] [2024-11-27 23:23:24,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:24,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:23:24,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1497814891] [2024-11-27 23:23:24,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:24,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:24,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:24,225 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:24,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2024-11-27 23:23:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:24,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-27 23:23:24,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:24,891 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 6 proven. 64 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-27 23:23:24,892 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:23:24,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:24,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168231708] [2024-11-27 23:23:24,994 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:23:24,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497814891] [2024-11-27 23:23:24,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497814891] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:24,994 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:23:24,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-27 23:23:24,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564206451] [2024-11-27 23:23:24,995 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:23:24,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 23:23:24,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:24,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 23:23:24,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:23:24,996 INFO L87 Difference]: Start difference. First operand 920 states and 1277 transitions. Second operand has 12 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-27 23:23:26,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:26,378 INFO L93 Difference]: Finished difference Result 927 states and 1281 transitions. [2024-11-27 23:23:26,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 23:23:26,378 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 169 [2024-11-27 23:23:26,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:26,381 INFO L225 Difference]: With dead ends: 927 [2024-11-27 23:23:26,381 INFO L226 Difference]: Without dead ends: 925 [2024-11-27 23:23:26,381 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=392, Unknown=0, NotChecked=0, Total=506 [2024-11-27 23:23:26,381 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 436 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 1358 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 1395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:26,382 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 573 Invalid, 1395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1358 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-27 23:23:26,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2024-11-27 23:23:26,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 922. [2024-11-27 23:23:26,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 922 states, 787 states have (on average 1.4332909783989836) internal successors, (1128), 844 states have internal predecessors, (1128), 75 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-27 23:23:26,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 922 states and 1278 transitions. [2024-11-27 23:23:26,511 INFO L78 Accepts]: Start accepts. Automaton has 922 states and 1278 transitions. Word has length 169 [2024-11-27 23:23:26,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:26,511 INFO L471 AbstractCegarLoop]: Abstraction has 922 states and 1278 transitions. [2024-11-27 23:23:26,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-27 23:23:26,512 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1278 transitions. [2024-11-27 23:23:26,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-27 23:23:26,513 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:26,513 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:26,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:26,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67,64 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:26,713 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:23:26,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:26,714 INFO L85 PathProgramCache]: Analyzing trace with hash 496141910, now seen corresponding path program 1 times [2024-11-27 23:23:26,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:26,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578288057] [2024-11-27 23:23:26,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:26,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:23:26,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [308150364] [2024-11-27 23:23:26,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:26,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:26,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:26,742 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:26,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Waiting until timeout for monitored process [2024-11-27 23:23:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:26,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-27 23:23:26,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:28,228 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 6 proven. 60 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-27 23:23:28,229 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:23:32,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:32,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578288057] [2024-11-27 23:23:32,766 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:23:32,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308150364] [2024-11-27 23:23:32,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308150364] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:32,766 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:23:32,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-27 23:23:32,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386587092] [2024-11-27 23:23:32,766 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:23:32,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 23:23:32,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:32,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 23:23:32,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=276, Unknown=1, NotChecked=0, Total=342 [2024-11-27 23:23:32,767 INFO L87 Difference]: Start difference. First operand 922 states and 1278 transitions. Second operand has 14 states, 12 states have (on average 9.0) internal successors, (108), 12 states have internal predecessors, (108), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-27 23:23:34,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:34,527 INFO L93 Difference]: Finished difference Result 945 states and 1288 transitions. [2024-11-27 23:23:34,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 23:23:34,528 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 9.0) internal successors, (108), 12 states have internal predecessors, (108), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 169 [2024-11-27 23:23:34,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:34,530 INFO L225 Difference]: With dead ends: 945 [2024-11-27 23:23:34,530 INFO L226 Difference]: Without dead ends: 942 [2024-11-27 23:23:34,531 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=188, Invalid=681, Unknown=1, NotChecked=0, Total=870 [2024-11-27 23:23:34,531 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 992 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 1810 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 997 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 1891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:34,531 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [997 Valid, 498 Invalid, 1891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1810 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-27 23:23:34,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2024-11-27 23:23:34,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 923. [2024-11-27 23:23:34,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 788 states have (on average 1.4276649746192893) internal successors, (1125), 845 states have internal predecessors, (1125), 75 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-27 23:23:34,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1275 transitions. [2024-11-27 23:23:34,649 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1275 transitions. Word has length 169 [2024-11-27 23:23:34,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:34,650 INFO L471 AbstractCegarLoop]: Abstraction has 923 states and 1275 transitions. [2024-11-27 23:23:34,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 9.0) internal successors, (108), 12 states have internal predecessors, (108), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-27 23:23:34,650 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1275 transitions. [2024-11-27 23:23:34,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-27 23:23:34,651 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:34,651 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:34,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Ended with exit code 0 [2024-11-27 23:23:34,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 65 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2024-11-27 23:23:34,852 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:23:34,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:34,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1799469787, now seen corresponding path program 1 times [2024-11-27 23:23:34,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:34,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747337317] [2024-11-27 23:23:34,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:34,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:23:34,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1509886073] [2024-11-27 23:23:34,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:34,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:34,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:34,879 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:34,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Waiting until timeout for monitored process [2024-11-27 23:23:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:34,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-27 23:23:34,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:36,550 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 6 proven. 60 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-27 23:23:36,550 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:23:36,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:36,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747337317] [2024-11-27 23:23:36,775 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:23:36,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509886073] [2024-11-27 23:23:36,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509886073] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:36,776 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:23:36,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-27 23:23:36,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009896358] [2024-11-27 23:23:36,776 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:23:36,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 23:23:36,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:36,777 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 23:23:36,777 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:23:36,777 INFO L87 Difference]: Start difference. First operand 923 states and 1275 transitions. Second operand has 14 states, 12 states have (on average 9.083333333333334) internal successors, (109), 12 states have internal predecessors, (109), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-27 23:23:38,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:38,615 INFO L93 Difference]: Finished difference Result 952 states and 1299 transitions. [2024-11-27 23:23:38,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 23:23:38,616 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 9.083333333333334) internal successors, (109), 12 states have internal predecessors, (109), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 170 [2024-11-27 23:23:38,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:38,619 INFO L225 Difference]: With dead ends: 952 [2024-11-27 23:23:38,619 INFO L226 Difference]: Without dead ends: 949 [2024-11-27 23:23:38,619 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=167, Invalid=535, Unknown=0, NotChecked=0, Total=702 [2024-11-27 23:23:38,620 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 306 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 1857 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 1875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:38,620 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 519 Invalid, 1875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1857 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-27 23:23:38,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2024-11-27 23:23:38,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 924. [2024-11-27 23:23:38,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 789 states have (on average 1.4220532319391634) internal successors, (1122), 846 states have internal predecessors, (1122), 75 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-27 23:23:38,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1272 transitions. [2024-11-27 23:23:38,747 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1272 transitions. Word has length 170 [2024-11-27 23:23:38,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:38,747 INFO L471 AbstractCegarLoop]: Abstraction has 924 states and 1272 transitions. [2024-11-27 23:23:38,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 9.083333333333334) internal successors, (109), 12 states have internal predecessors, (109), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-27 23:23:38,748 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1272 transitions. [2024-11-27 23:23:38,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-27 23:23:38,749 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:38,749 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:38,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Ended with exit code 0 [2024-11-27 23:23:38,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2024-11-27 23:23:38,950 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:23:38,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:38,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1799521421, now seen corresponding path program 1 times [2024-11-27 23:23:38,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:38,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637846791] [2024-11-27 23:23:38,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:38,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:39,105 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 46 proven. 2 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-27 23:23:39,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:39,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637846791] [2024-11-27 23:23:39,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637846791] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:39,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132718726] [2024-11-27 23:23:39,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:39,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:39,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:39,108 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:39,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Waiting until timeout for monitored process [2024-11-27 23:23:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:39,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 23:23:39,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:39,317 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-27 23:23:39,317 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:23:39,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [132718726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:39,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:23:39,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2024-11-27 23:23:39,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746561940] [2024-11-27 23:23:39,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:39,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:23:39,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:39,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:23:39,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:23:39,319 INFO L87 Difference]: Start difference. First operand 924 states and 1272 transitions. Second operand has 8 states, 7 states have (on average 15.142857142857142) internal successors, (106), 8 states have internal predecessors, (106), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-27 23:23:39,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:39,878 INFO L93 Difference]: Finished difference Result 957 states and 1272 transitions. [2024-11-27 23:23:39,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 23:23:39,879 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.142857142857142) internal successors, (106), 8 states have internal predecessors, (106), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 170 [2024-11-27 23:23:39,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:39,880 INFO L225 Difference]: With dead ends: 957 [2024-11-27 23:23:39,880 INFO L226 Difference]: Without dead ends: 956 [2024-11-27 23:23:39,881 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-27 23:23:39,881 INFO L435 NwaCegarLoop]: 232 mSDtfsCounter, 294 mSDsluCounter, 911 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 1143 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:39,881 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 1143 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:23:39,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2024-11-27 23:23:39,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 923. [2024-11-27 23:23:40,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 789 states have (on average 1.4157160963244613) internal successors, (1117), 845 states have internal predecessors, (1117), 75 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-27 23:23:40,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1267 transitions. [2024-11-27 23:23:40,003 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1267 transitions. Word has length 170 [2024-11-27 23:23:40,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:40,004 INFO L471 AbstractCegarLoop]: Abstraction has 923 states and 1267 transitions. [2024-11-27 23:23:40,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.142857142857142) internal successors, (106), 8 states have internal predecessors, (106), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-27 23:23:40,004 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1267 transitions. [2024-11-27 23:23:40,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-27 23:23:40,005 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:40,005 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:40,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Ended with exit code 0 [2024-11-27 23:23:40,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable70 [2024-11-27 23:23:40,206 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:23:40,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:40,207 INFO L85 PathProgramCache]: Analyzing trace with hash 51011640, now seen corresponding path program 1 times [2024-11-27 23:23:40,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:40,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162076798] [2024-11-27 23:23:40,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:40,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:23:40,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1374563165] [2024-11-27 23:23:40,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:40,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:40,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:40,229 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:40,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Waiting until timeout for monitored process [2024-11-27 23:23:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:40,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-27 23:23:40,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:41,838 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 47 proven. 19 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-27 23:23:41,838 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:23:42,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:42,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162076798] [2024-11-27 23:23:42,191 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:23:42,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374563165] [2024-11-27 23:23:42,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1374563165] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:42,192 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:23:42,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-27 23:23:42,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482152718] [2024-11-27 23:23:42,192 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:23:42,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 23:23:42,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:42,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 23:23:42,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:23:42,193 INFO L87 Difference]: Start difference. First operand 923 states and 1267 transitions. Second operand has 14 states, 12 states have (on average 9.166666666666666) internal successors, (110), 12 states have internal predecessors, (110), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-27 23:23:44,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:44,127 INFO L93 Difference]: Finished difference Result 953 states and 1284 transitions. [2024-11-27 23:23:44,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 23:23:44,127 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 9.166666666666666) internal successors, (110), 12 states have internal predecessors, (110), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 171 [2024-11-27 23:23:44,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:44,129 INFO L225 Difference]: With dead ends: 953 [2024-11-27 23:23:44,129 INFO L226 Difference]: Without dead ends: 950 [2024-11-27 23:23:44,129 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=179, Invalid=577, Unknown=0, NotChecked=0, Total=756 [2024-11-27 23:23:44,130 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 240 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 2296 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 2309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:44,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 574 Invalid, 2309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 2296 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-27 23:23:44,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2024-11-27 23:23:44,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 923. [2024-11-27 23:23:44,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 789 states have (on average 1.4043092522179974) internal successors, (1108), 845 states have internal predecessors, (1108), 75 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-27 23:23:44,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1258 transitions. [2024-11-27 23:23:44,208 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1258 transitions. Word has length 171 [2024-11-27 23:23:44,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:44,208 INFO L471 AbstractCegarLoop]: Abstraction has 923 states and 1258 transitions. [2024-11-27 23:23:44,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 9.166666666666666) internal successors, (110), 12 states have internal predecessors, (110), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-27 23:23:44,209 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1258 transitions. [2024-11-27 23:23:44,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-27 23:23:44,209 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:44,210 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:44,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Ended with exit code 0 [2024-11-27 23:23:44,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,68 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:44,414 INFO L396 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:23:44,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:44,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1581361031, now seen corresponding path program 1 times [2024-11-27 23:23:44,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:44,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934305536] [2024-11-27 23:23:44,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:44,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:23:44,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [947182530] [2024-11-27 23:23:44,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:44,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:44,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:44,437 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:44,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Waiting until timeout for monitored process [2024-11-27 23:23:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:44,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-27 23:23:44,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:46,226 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-27 23:23:46,226 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:23:47,353 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-27 23:23:47,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:47,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934305536] [2024-11-27 23:23:47,353 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:23:47,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947182530] [2024-11-27 23:23:47,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [947182530] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:23:47,353 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:23:47,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-11-27 23:23:47,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675645838] [2024-11-27 23:23:47,354 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:23:47,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-27 23:23:47,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:47,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-27 23:23:47,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:23:47,355 INFO L87 Difference]: Start difference. First operand 923 states and 1258 transitions. Second operand has 18 states, 17 states have (on average 12.176470588235293) internal successors, (207), 18 states have internal predecessors, (207), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2024-11-27 23:23:55,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:55,725 INFO L93 Difference]: Finished difference Result 949 states and 1284 transitions. [2024-11-27 23:23:55,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-27 23:23:55,725 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 12.176470588235293) internal successors, (207), 18 states have internal predecessors, (207), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) Word has length 172 [2024-11-27 23:23:55,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:55,727 INFO L225 Difference]: With dead ends: 949 [2024-11-27 23:23:55,727 INFO L226 Difference]: Without dead ends: 940 [2024-11-27 23:23:55,727 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=351, Invalid=1209, Unknown=0, NotChecked=0, Total=1560 [2024-11-27 23:23:55,727 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 931 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 2836 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 936 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 2963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 2836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:55,728 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [936 Valid, 391 Invalid, 2963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 2836 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2024-11-27 23:23:55,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2024-11-27 23:23:55,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 935. [2024-11-27 23:23:55,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 935 states, 801 states have (on average 1.3982521847690388) internal successors, (1120), 857 states have internal predecessors, (1120), 75 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-27 23:23:55,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1270 transitions. [2024-11-27 23:23:55,862 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1270 transitions. Word has length 172 [2024-11-27 23:23:55,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:55,863 INFO L471 AbstractCegarLoop]: Abstraction has 935 states and 1270 transitions. [2024-11-27 23:23:55,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 12.176470588235293) internal successors, (207), 18 states have internal predecessors, (207), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2024-11-27 23:23:55,863 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1270 transitions. [2024-11-27 23:23:55,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-27 23:23:55,864 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:55,864 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:55,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Ended with exit code 0 [2024-11-27 23:23:56,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,69 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:56,069 INFO L396 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:23:56,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:56,069 INFO L85 PathProgramCache]: Analyzing trace with hash -250434167, now seen corresponding path program 1 times [2024-11-27 23:23:56,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:56,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139931910] [2024-11-27 23:23:56,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:56,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:23:56,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [637764507] [2024-11-27 23:23:56,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:56,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:56,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:56,098 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:56,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Waiting until timeout for monitored process [2024-11-27 23:23:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:56,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-27 23:23:56,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:58,183 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-11-27 23:23:58,183 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:23:59,630 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-11-27 23:23:59,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:59,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139931910] [2024-11-27 23:23:59,631 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:23:59,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637764507] [2024-11-27 23:23:59,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637764507] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:23:59,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:23:59,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2024-11-27 23:23:59,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76615666] [2024-11-27 23:23:59,631 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:23:59,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-27 23:23:59,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:59,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-27 23:23:59,633 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-11-27 23:23:59,633 INFO L87 Difference]: Start difference. First operand 935 states and 1270 transitions. Second operand has 20 states, 19 states have (on average 11.947368421052632) internal successors, (227), 20 states have internal predecessors, (227), 9 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 9 states have call predecessors, (28), 9 states have call successors, (28) [2024-11-27 23:24:05,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:05,029 INFO L93 Difference]: Finished difference Result 964 states and 1302 transitions. [2024-11-27 23:24:05,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-27 23:24:05,030 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 11.947368421052632) internal successors, (227), 20 states have internal predecessors, (227), 9 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 9 states have call predecessors, (28), 9 states have call successors, (28) Word has length 192 [2024-11-27 23:24:05,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:05,031 INFO L225 Difference]: With dead ends: 964 [2024-11-27 23:24:05,031 INFO L226 Difference]: Without dead ends: 963 [2024-11-27 23:24:05,032 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=245, Invalid=1087, Unknown=0, NotChecked=0, Total=1332 [2024-11-27 23:24:05,032 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 569 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 2575 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 2645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 2575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:05,032 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 364 Invalid, 2645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 2575 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-27 23:24:05,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-11-27 23:24:05,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 952. [2024-11-27 23:24:05,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 816 states have (on average 1.3933823529411764) internal successors, (1137), 872 states have internal predecessors, (1137), 77 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-27 23:24:05,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1291 transitions. [2024-11-27 23:24:05,120 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1291 transitions. Word has length 192 [2024-11-27 23:24:05,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:05,121 INFO L471 AbstractCegarLoop]: Abstraction has 952 states and 1291 transitions. [2024-11-27 23:24:05,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 11.947368421052632) internal successors, (227), 20 states have internal predecessors, (227), 9 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 9 states have call predecessors, (28), 9 states have call successors, (28) [2024-11-27 23:24:05,121 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1291 transitions. [2024-11-27 23:24:05,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-27 23:24:05,122 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:05,122 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:05,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Ended with exit code 0 [2024-11-27 23:24:05,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,70 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:24:05,323 INFO L396 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:24:05,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:05,323 INFO L85 PathProgramCache]: Analyzing trace with hash 826475518, now seen corresponding path program 1 times [2024-11-27 23:24:05,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:05,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798040896] [2024-11-27 23:24:05,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:05,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:24:05,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1847399406] [2024-11-27 23:24:05,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:05,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:24:05,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:05,344 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:24:05,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Waiting until timeout for monitored process [2024-11-27 23:24:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:05,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-27 23:24:05,454 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:08,376 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-11-27 23:24:08,376 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:24:11,610 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-11-27 23:24:11,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:11,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798040896] [2024-11-27 23:24:11,610 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:24:11,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847399406] [2024-11-27 23:24:11,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847399406] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:24:11,610 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:24:11,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2024-11-27 23:24:11,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312551062] [2024-11-27 23:24:11,610 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:24:11,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-27 23:24:11,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:11,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-27 23:24:11,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=489, Unknown=0, NotChecked=0, Total=600 [2024-11-27 23:24:11,612 INFO L87 Difference]: Start difference. First operand 952 states and 1291 transitions. Second operand has 25 states, 24 states have (on average 9.791666666666666) internal successors, (235), 25 states have internal predecessors, (235), 11 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (32), 10 states have call predecessors, (32), 11 states have call successors, (32) [2024-11-27 23:24:27,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:27,663 INFO L93 Difference]: Finished difference Result 999 states and 1347 transitions. [2024-11-27 23:24:27,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-27 23:24:27,663 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 9.791666666666666) internal successors, (235), 25 states have internal predecessors, (235), 11 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (32), 10 states have call predecessors, (32), 11 states have call successors, (32) Word has length 193 [2024-11-27 23:24:27,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:27,665 INFO L225 Difference]: With dead ends: 999 [2024-11-27 23:24:27,665 INFO L226 Difference]: Without dead ends: 994 [2024-11-27 23:24:27,666 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 545 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=559, Invalid=2093, Unknown=0, NotChecked=0, Total=2652 [2024-11-27 23:24:27,666 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 702 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 3681 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 704 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 3767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 3681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:27,667 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [704 Valid, 494 Invalid, 3767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 3681 Invalid, 0 Unknown, 0 Unchecked, 13.3s Time] [2024-11-27 23:24:27,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2024-11-27 23:24:27,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 983. [2024-11-27 23:24:27,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 983 states, 845 states have (on average 1.383431952662722) internal successors, (1169), 901 states have internal predecessors, (1169), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-27 23:24:27,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1327 transitions. [2024-11-27 23:24:27,762 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1327 transitions. Word has length 193 [2024-11-27 23:24:27,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:27,762 INFO L471 AbstractCegarLoop]: Abstraction has 983 states and 1327 transitions. [2024-11-27 23:24:27,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 9.791666666666666) internal successors, (235), 25 states have internal predecessors, (235), 11 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (32), 10 states have call predecessors, (32), 11 states have call successors, (32) [2024-11-27 23:24:27,762 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1327 transitions. [2024-11-27 23:24:27,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-27 23:24:27,764 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:27,764 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:27,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Forceful destruction successful, exit code 0 [2024-11-27 23:24:27,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,71 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:24:27,964 INFO L396 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:24:27,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:27,965 INFO L85 PathProgramCache]: Analyzing trace with hash -706923243, now seen corresponding path program 1 times [2024-11-27 23:24:27,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:27,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944221096] [2024-11-27 23:24:27,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:27,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:24:27,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [233438912] [2024-11-27 23:24:27,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:27,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:24:27,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:27,992 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:24:27,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Waiting until timeout for monitored process [2024-11-27 23:24:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:28,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-27 23:24:28,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:29,733 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-27 23:24:29,733 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:24:38,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:38,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944221096] [2024-11-27 23:24:38,472 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:24:38,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233438912] [2024-11-27 23:24:38,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [233438912] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:24:38,472 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:24:38,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-27 23:24:38,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795048686] [2024-11-27 23:24:38,472 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:24:38,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 23:24:38,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:38,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 23:24:38,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=139, Unknown=3, NotChecked=0, Total=182 [2024-11-27 23:24:38,474 INFO L87 Difference]: Start difference. First operand 983 states and 1327 transitions. Second operand has 10 states, 9 states have (on average 13.333333333333334) internal successors, (120), 10 states have internal predecessors, (120), 5 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17) [2024-11-27 23:24:41,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:41,091 INFO L93 Difference]: Finished difference Result 1003 states and 1336 transitions. [2024-11-27 23:24:41,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 23:24:41,091 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.333333333333334) internal successors, (120), 10 states have internal predecessors, (120), 5 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17) Word has length 199 [2024-11-27 23:24:41,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:41,093 INFO L225 Difference]: With dead ends: 1003 [2024-11-27 23:24:41,093 INFO L226 Difference]: Without dead ends: 1002 [2024-11-27 23:24:41,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=98, Invalid=279, Unknown=3, NotChecked=0, Total=380 [2024-11-27 23:24:41,094 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 148 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 1541 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 1552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:41,094 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 873 Invalid, 1552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1541 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-27 23:24:41,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2024-11-27 23:24:41,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 983. [2024-11-27 23:24:41,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 983 states, 845 states have (on average 1.378698224852071) internal successors, (1165), 901 states have internal predecessors, (1165), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-27 23:24:41,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1323 transitions. [2024-11-27 23:24:41,219 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1323 transitions. Word has length 199 [2024-11-27 23:24:41,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:41,219 INFO L471 AbstractCegarLoop]: Abstraction has 983 states and 1323 transitions. [2024-11-27 23:24:41,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.333333333333334) internal successors, (120), 10 states have internal predecessors, (120), 5 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17) [2024-11-27 23:24:41,220 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1323 transitions. [2024-11-27 23:24:41,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-27 23:24:41,220 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:41,221 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:41,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Ended with exit code 0 [2024-11-27 23:24:41,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,72 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:24:41,425 INFO L396 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:24:41,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:41,425 INFO L85 PathProgramCache]: Analyzing trace with hash -439783945, now seen corresponding path program 1 times [2024-11-27 23:24:41,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:41,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088848000] [2024-11-27 23:24:41,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:41,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:24:41,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1822997198] [2024-11-27 23:24:41,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:41,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:24:41,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:41,447 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:24:41,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Waiting until timeout for monitored process [2024-11-27 23:24:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:41,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-27 23:24:41,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:43,901 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-11-27 23:24:43,901 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:24:48,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:48,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088848000] [2024-11-27 23:24:48,429 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:24:48,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822997198] [2024-11-27 23:24:48,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822997198] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:24:48,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:24:48,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-27 23:24:48,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382499246] [2024-11-27 23:24:48,430 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:24:48,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 23:24:48,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:48,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 23:24:48,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=246, Unknown=1, NotChecked=0, Total=306 [2024-11-27 23:24:48,431 INFO L87 Difference]: Start difference. First operand 983 states and 1323 transitions. Second operand has 14 states, 13 states have (on average 9.538461538461538) internal successors, (124), 13 states have internal predecessors, (124), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-27 23:24:52,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:52,839 INFO L93 Difference]: Finished difference Result 1000 states and 1334 transitions. [2024-11-27 23:24:52,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 23:24:52,840 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.538461538461538) internal successors, (124), 13 states have internal predecessors, (124), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 7 states have call successors, (17) Word has length 200 [2024-11-27 23:24:52,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:52,841 INFO L225 Difference]: With dead ends: 1000 [2024-11-27 23:24:52,841 INFO L226 Difference]: Without dead ends: 999 [2024-11-27 23:24:52,842 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=141, Invalid=560, Unknown=1, NotChecked=0, Total=702 [2024-11-27 23:24:52,842 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 551 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 1932 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 1971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:52,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [556 Valid, 654 Invalid, 1971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1932 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-27 23:24:52,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2024-11-27 23:24:52,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 983. [2024-11-27 23:24:52,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 983 states, 845 states have (on average 1.3763313609467456) internal successors, (1163), 901 states have internal predecessors, (1163), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-27 23:24:52,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1321 transitions. [2024-11-27 23:24:52,932 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1321 transitions. Word has length 200 [2024-11-27 23:24:52,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:52,932 INFO L471 AbstractCegarLoop]: Abstraction has 983 states and 1321 transitions. [2024-11-27 23:24:52,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.538461538461538) internal successors, (124), 13 states have internal predecessors, (124), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-27 23:24:52,932 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1321 transitions. [2024-11-27 23:24:52,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-27 23:24:52,933 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:52,933 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:52,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Forceful destruction successful, exit code 0 [2024-11-27 23:24:53,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable76 [2024-11-27 23:24:53,134 INFO L396 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:24:53,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:53,134 INFO L85 PathProgramCache]: Analyzing trace with hash -748400297, now seen corresponding path program 1 times [2024-11-27 23:24:53,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:53,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219585560] [2024-11-27 23:24:53,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:53,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:24:53,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1327384262] [2024-11-27 23:24:53,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:53,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:24:53,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:53,156 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:24:53,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Waiting until timeout for monitored process [2024-11-27 23:24:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:53,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-27 23:24:53,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:55,355 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 24 proven. 107 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-27 23:24:55,355 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:24:58,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:58,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219585560] [2024-11-27 23:24:58,149 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:24:58,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327384262] [2024-11-27 23:24:58,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327384262] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:24:58,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:24:58,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-27 23:24:58,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507146370] [2024-11-27 23:24:58,149 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:24:58,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-27 23:24:58,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:58,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-27 23:24:58,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2024-11-27 23:24:58,150 INFO L87 Difference]: Start difference. First operand 983 states and 1321 transitions. Second operand has 16 states, 15 states have (on average 8.533333333333333) internal successors, (128), 14 states have internal predecessors, (128), 6 states have call successors, (17), 1 states have call predecessors, (17), 3 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) [2024-11-27 23:25:00,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:25:00,633 INFO L93 Difference]: Finished difference Result 1007 states and 1340 transitions. [2024-11-27 23:25:00,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 23:25:00,634 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.533333333333333) internal successors, (128), 14 states have internal predecessors, (128), 6 states have call successors, (17), 1 states have call predecessors, (17), 3 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) Word has length 201 [2024-11-27 23:25:00,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:25:00,636 INFO L225 Difference]: With dead ends: 1007 [2024-11-27 23:25:00,636 INFO L226 Difference]: Without dead ends: 1005 [2024-11-27 23:25:00,636 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=116, Invalid=586, Unknown=0, NotChecked=0, Total=702 [2024-11-27 23:25:00,636 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 202 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 2522 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 2527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:25:00,636 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 777 Invalid, 2527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2522 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-27 23:25:00,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2024-11-27 23:25:00,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 983. [2024-11-27 23:25:00,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 983 states, 845 states have (on average 1.3715976331360946) internal successors, (1159), 901 states have internal predecessors, (1159), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-27 23:25:00,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1317 transitions. [2024-11-27 23:25:00,727 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1317 transitions. Word has length 201 [2024-11-27 23:25:00,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:25:00,727 INFO L471 AbstractCegarLoop]: Abstraction has 983 states and 1317 transitions. [2024-11-27 23:25:00,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.533333333333333) internal successors, (128), 14 states have internal predecessors, (128), 6 states have call successors, (17), 1 states have call predecessors, (17), 3 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) [2024-11-27 23:25:00,727 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1317 transitions. [2024-11-27 23:25:00,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-27 23:25:00,728 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:25:00,728 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:25:00,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Ended with exit code 0 [2024-11-27 23:25:00,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 74 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable77 [2024-11-27 23:25:00,928 INFO L396 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:25:00,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:00,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1953143399, now seen corresponding path program 1 times [2024-11-27 23:25:00,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:25:00,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549205996] [2024-11-27 23:25:00,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:00,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:25:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:25:00,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1389554295] [2024-11-27 23:25:00,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:00,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:25:00,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:00,949 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:25:00,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Waiting until timeout for monitored process [2024-11-27 23:25:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:01,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-27 23:25:01,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:05,089 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 3 proven. 102 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-27 23:25:05,089 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:25:10,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:25:10,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549205996] [2024-11-27 23:25:10,972 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:25:10,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389554295] [2024-11-27 23:25:10,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389554295] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:25:10,972 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:25:10,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-27 23:25:10,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055377224] [2024-11-27 23:25:10,972 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:25:10,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-27 23:25:10,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:25:10,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-27 23:25:10,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=665, Unknown=1, NotChecked=0, Total=756 [2024-11-27 23:25:10,973 INFO L87 Difference]: Start difference. First operand 983 states and 1317 transitions. Second operand has 16 states, 15 states have (on average 8.466666666666667) internal successors, (127), 15 states have internal predecessors, (127), 6 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) [2024-11-27 23:25:15,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.84s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 23:25:21,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:25:21,583 INFO L93 Difference]: Finished difference Result 998 states and 1328 transitions. [2024-11-27 23:25:21,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-27 23:25:21,584 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.466666666666667) internal successors, (127), 15 states have internal predecessors, (127), 6 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) Word has length 203 [2024-11-27 23:25:21,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:25:21,585 INFO L225 Difference]: With dead ends: 998 [2024-11-27 23:25:21,585 INFO L226 Difference]: Without dead ends: 997 [2024-11-27 23:25:21,586 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=219, Invalid=1262, Unknown=1, NotChecked=0, Total=1482 [2024-11-27 23:25:21,586 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 523 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 2799 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 528 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 2841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 2799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:25:21,586 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [528 Valid, 610 Invalid, 2841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 2799 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2024-11-27 23:25:21,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2024-11-27 23:25:21,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 983. [2024-11-27 23:25:21,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 983 states, 845 states have (on average 1.3692307692307693) internal successors, (1157), 901 states have internal predecessors, (1157), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-27 23:25:21,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1315 transitions. [2024-11-27 23:25:21,764 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1315 transitions. Word has length 203 [2024-11-27 23:25:21,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:25:21,764 INFO L471 AbstractCegarLoop]: Abstraction has 983 states and 1315 transitions. [2024-11-27 23:25:21,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.466666666666667) internal successors, (127), 15 states have internal predecessors, (127), 6 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) [2024-11-27 23:25:21,764 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1315 transitions. [2024-11-27 23:25:21,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-27 23:25:21,765 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:25:21,765 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:25:21,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Ended with exit code 0 [2024-11-27 23:25:21,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2024-11-27 23:25:21,966 INFO L396 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:25:21,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:21,967 INFO L85 PathProgramCache]: Analyzing trace with hash -417903109, now seen corresponding path program 1 times [2024-11-27 23:25:21,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:25:21,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142582453] [2024-11-27 23:25:21,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:21,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:25:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:25:22,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [207316855] [2024-11-27 23:25:22,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:22,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:25:22,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:22,005 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:25:22,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (76)] Waiting until timeout for monitored process [2024-11-27 23:25:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:22,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-27 23:25:22,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:26,531 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 21 proven. 125 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-27 23:25:26,531 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:25:27,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:25:27,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142582453] [2024-11-27 23:25:27,393 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:25:27,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207316855] [2024-11-27 23:25:27,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207316855] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:25:27,393 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:25:27,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2024-11-27 23:25:27,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174798172] [2024-11-27 23:25:27,393 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:25:27,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-27 23:25:27,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:25:27,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-27 23:25:27,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2024-11-27 23:25:27,394 INFO L87 Difference]: Start difference. First operand 983 states and 1315 transitions. Second operand has 19 states, 18 states have (on average 7.277777777777778) internal successors, (131), 17 states have internal predecessors, (131), 7 states have call successors, (17), 1 states have call predecessors, (17), 3 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-27 23:25:31,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:25:31,359 INFO L93 Difference]: Finished difference Result 1001 states and 1328 transitions. [2024-11-27 23:25:31,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 23:25:31,360 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 7.277777777777778) internal successors, (131), 17 states have internal predecessors, (131), 7 states have call successors, (17), 1 states have call predecessors, (17), 3 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) Word has length 204 [2024-11-27 23:25:31,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:25:31,361 INFO L225 Difference]: With dead ends: 1001 [2024-11-27 23:25:31,361 INFO L226 Difference]: Without dead ends: 999 [2024-11-27 23:25:31,362 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=156, Invalid=900, Unknown=0, NotChecked=0, Total=1056 [2024-11-27 23:25:31,362 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 335 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 3021 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 3039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 3021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:25:31,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 489 Invalid, 3039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 3021 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-27 23:25:31,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2024-11-27 23:25:31,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 983. [2024-11-27 23:25:31,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 983 states, 845 states have (on average 1.3644970414201183) internal successors, (1153), 901 states have internal predecessors, (1153), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-27 23:25:31,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1311 transitions. [2024-11-27 23:25:31,471 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1311 transitions. Word has length 204 [2024-11-27 23:25:31,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:25:31,471 INFO L471 AbstractCegarLoop]: Abstraction has 983 states and 1311 transitions. [2024-11-27 23:25:31,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 7.277777777777778) internal successors, (131), 17 states have internal predecessors, (131), 7 states have call successors, (17), 1 states have call predecessors, (17), 3 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-27 23:25:31,471 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1311 transitions. [2024-11-27 23:25:31,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-27 23:25:31,472 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:25:31,472 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:25:31,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (76)] Forceful destruction successful, exit code 0 [2024-11-27 23:25:31,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79,76 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:25:31,672 INFO L396 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:25:31,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:31,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1358788125, now seen corresponding path program 1 times [2024-11-27 23:25:31,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:25:31,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011342657] [2024-11-27 23:25:31,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:31,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:25:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:25:31,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1881745301] [2024-11-27 23:25:31,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:31,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:25:31,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:31,700 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:25:31,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (77)] Waiting until timeout for monitored process [2024-11-27 23:25:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:31,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-27 23:25:31,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:35,811 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 12 proven. 110 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-11-27 23:25:35,811 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:25:37,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:25:37,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011342657] [2024-11-27 23:25:37,758 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:25:37,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881745301] [2024-11-27 23:25:37,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881745301] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:25:37,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:25:37,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-27 23:25:37,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091706] [2024-11-27 23:25:37,758 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:25:37,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-27 23:25:37,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:25:37,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-27 23:25:37,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=548, Unknown=0, NotChecked=0, Total=650 [2024-11-27 23:25:37,760 INFO L87 Difference]: Start difference. First operand 983 states and 1311 transitions. Second operand has 16 states, 15 states have (on average 8.733333333333333) internal successors, (131), 15 states have internal predecessors, (131), 6 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) [2024-11-27 23:25:40,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:25:40,817 INFO L93 Difference]: Finished difference Result 996 states and 1320 transitions. [2024-11-27 23:25:40,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 23:25:40,818 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.733333333333333) internal successors, (131), 15 states have internal predecessors, (131), 6 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) Word has length 207 [2024-11-27 23:25:40,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:25:40,820 INFO L225 Difference]: With dead ends: 996 [2024-11-27 23:25:40,820 INFO L226 Difference]: Without dead ends: 995 [2024-11-27 23:25:40,820 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=197, Invalid=859, Unknown=0, NotChecked=0, Total=1056 [2024-11-27 23:25:40,820 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 524 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 2503 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 2541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:25:40,820 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 382 Invalid, 2541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2503 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-27 23:25:40,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states. [2024-11-27 23:25:40,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 983. [2024-11-27 23:25:40,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 983 states, 845 states have (on average 1.362130177514793) internal successors, (1151), 901 states have internal predecessors, (1151), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-27 23:25:40,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1309 transitions. [2024-11-27 23:25:40,918 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1309 transitions. Word has length 207 [2024-11-27 23:25:40,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:25:40,918 INFO L471 AbstractCegarLoop]: Abstraction has 983 states and 1309 transitions. [2024-11-27 23:25:40,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.733333333333333) internal successors, (131), 15 states have internal predecessors, (131), 6 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) [2024-11-27 23:25:40,918 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1309 transitions. [2024-11-27 23:25:40,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-27 23:25:40,919 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:25:40,919 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:25:40,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (77)] Ended with exit code 0 [2024-11-27 23:25:41,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,77 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:25:41,120 INFO L396 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:25:41,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:41,120 INFO L85 PathProgramCache]: Analyzing trace with hash -409609727, now seen corresponding path program 1 times [2024-11-27 23:25:41,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:25:41,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447598349] [2024-11-27 23:25:41,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:41,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:25:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:25:41,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1127335139] [2024-11-27 23:25:41,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:41,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:25:41,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:41,143 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:25:41,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Waiting until timeout for monitored process [2024-11-27 23:25:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:41,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-27 23:25:41,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:42,399 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 41 proven. 87 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-11-27 23:25:42,399 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:25:42,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:25:42,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447598349] [2024-11-27 23:25:42,937 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:25:42,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127335139] [2024-11-27 23:25:42,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127335139] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:25:42,937 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:25:42,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-27 23:25:42,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022963715] [2024-11-27 23:25:42,937 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:25:42,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 23:25:42,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:25:42,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 23:25:42,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-27 23:25:42,939 INFO L87 Difference]: Start difference. First operand 983 states and 1309 transitions. Second operand has 12 states, 11 states have (on average 12.181818181818182) internal successors, (134), 11 states have internal predecessors, (134), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-27 23:25:44,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:25:44,668 INFO L93 Difference]: Finished difference Result 1001 states and 1310 transitions. [2024-11-27 23:25:44,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 23:25:44,668 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 12.181818181818182) internal successors, (134), 11 states have internal predecessors, (134), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 7 states have call successors, (17) Word has length 210 [2024-11-27 23:25:44,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:25:44,670 INFO L225 Difference]: With dead ends: 1001 [2024-11-27 23:25:44,670 INFO L226 Difference]: Without dead ends: 999 [2024-11-27 23:25:44,671 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2024-11-27 23:25:44,672 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 236 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 1386 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 1398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:25:44,672 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 640 Invalid, 1398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1386 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-27 23:25:44,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2024-11-27 23:25:44,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 981. [2024-11-27 23:25:44,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 981 states, 843 states have (on average 1.3594306049822065) internal successors, (1146), 899 states have internal predecessors, (1146), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-27 23:25:44,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1304 transitions. [2024-11-27 23:25:44,820 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1304 transitions. Word has length 210 [2024-11-27 23:25:44,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:25:44,820 INFO L471 AbstractCegarLoop]: Abstraction has 981 states and 1304 transitions. [2024-11-27 23:25:44,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 12.181818181818182) internal successors, (134), 11 states have internal predecessors, (134), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-27 23:25:44,820 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1304 transitions. [2024-11-27 23:25:44,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-27 23:25:44,822 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:25:44,822 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:25:44,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Forceful destruction successful, exit code 0 [2024-11-27 23:25:45,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,78 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:25:45,022 INFO L396 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:25:45,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:45,023 INFO L85 PathProgramCache]: Analyzing trace with hash 187000481, now seen corresponding path program 1 times [2024-11-27 23:25:45,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:25:45,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65242481] [2024-11-27 23:25:45,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:45,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:25:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:25:45,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1155911469] [2024-11-27 23:25:45,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:45,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:25:45,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:25:45,049 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:25:45,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Waiting until timeout for monitored process [2024-11-27 23:25:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:45,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-27 23:25:45,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:49,371 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 48 proven. 112 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-27 23:25:49,372 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:25:58,982 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 48 proven. 112 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-27 23:25:58,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:25:58,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65242481] [2024-11-27 23:25:58,983 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:25:58,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155911469] [2024-11-27 23:25:58,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155911469] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:25:58,983 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:25:58,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 27 [2024-11-27 23:25:58,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317637855] [2024-11-27 23:25:58,983 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:25:58,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-27 23:25:58,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:25:58,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-27 23:25:58,985 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=622, Unknown=0, NotChecked=0, Total=756 [2024-11-27 23:25:58,985 INFO L87 Difference]: Start difference. First operand 981 states and 1304 transitions. Second operand has 28 states, 27 states have (on average 9.62962962962963) internal successors, (260), 28 states have internal predecessors, (260), 9 states have call successors, (30), 1 states have call predecessors, (30), 2 states have return successors, (30), 12 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-27 23:26:42,037 WARN L286 SmtUtils]: Spent 41.48s on a formula simplification that was a NOOP. DAG size: 107 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 23:26:43,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 23:26:47,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 23:26:51,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 23:26:55,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 23:26:59,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 23:27:03,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 23:27:04,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 23:27:09,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 23:27:14,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 23:27:19,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 23:27:24,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 23:27:32,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.93s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 23:27:37,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 23:27:43,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 23:27:51,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 23:27:55,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 23:28:00,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 23:28:01,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 23:28:02,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 23:28:06,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 23:28:10,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 23:28:14,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 23:28:19,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 23:28:37,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 18.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 23:28:41,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 23:28:43,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 23:28:48,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 23:28:54,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 23:29:00,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 23:29:00,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:29:00,507 INFO L93 Difference]: Finished difference Result 998 states and 1315 transitions. [2024-11-27 23:29:00,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-27 23:29:00,508 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 9.62962962962963) internal successors, (260), 28 states have internal predecessors, (260), 9 states have call successors, (30), 1 states have call predecessors, (30), 2 states have return successors, (30), 12 states have call predecessors, (30), 9 states have call successors, (30) Word has length 211 [2024-11-27 23:29:00,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:29:00,510 INFO L225 Difference]: With dead ends: 998 [2024-11-27 23:29:00,510 INFO L226 Difference]: Without dead ends: 995 [2024-11-27 23:29:00,510 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 47.6s TimeCoverageRelationStatistics Valid=441, Invalid=1451, Unknown=0, NotChecked=0, Total=1892 [2024-11-27 23:29:00,511 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 558 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 4001 mSolverCounterSat, 108 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 135.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 4127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 4001 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 136.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:29:00,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [562 Valid, 610 Invalid, 4127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 4001 Invalid, 18 Unknown, 0 Unchecked, 136.1s Time] [2024-11-27 23:29:00,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states. [2024-11-27 23:29:00,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 981. [2024-11-27 23:29:00,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 981 states, 843 states have (on average 1.3475682087781733) internal successors, (1136), 899 states have internal predecessors, (1136), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-27 23:29:00,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1294 transitions. [2024-11-27 23:29:00,636 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1294 transitions. Word has length 211 [2024-11-27 23:29:00,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:29:00,636 INFO L471 AbstractCegarLoop]: Abstraction has 981 states and 1294 transitions. [2024-11-27 23:29:00,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 9.62962962962963) internal successors, (260), 28 states have internal predecessors, (260), 9 states have call successors, (30), 1 states have call predecessors, (30), 2 states have return successors, (30), 12 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-27 23:29:00,636 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1294 transitions. [2024-11-27 23:29:00,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-27 23:29:00,637 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:29:00,637 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:00,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Forceful destruction successful, exit code 0 [2024-11-27 23:29:00,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,79 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:29:00,842 INFO L396 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:29:00,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:00,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1502047747, now seen corresponding path program 1 times [2024-11-27 23:29:00,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:00,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858548714] [2024-11-27 23:29:00,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:00,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:29:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:29:00,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [25280703] [2024-11-27 23:29:00,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:00,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:29:00,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:29:00,870 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:29:00,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (80)] Waiting until timeout for monitored process [2024-11-27 23:29:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:00,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:29:00,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:29:01,451 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 41 proven. 67 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-27 23:29:01,451 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:29:03,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:29:03,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858548714] [2024-11-27 23:29:03,068 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:29:03,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25280703] [2024-11-27 23:29:03,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25280703] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:29:03,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:29:03,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-27 23:29:03,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740543891] [2024-11-27 23:29:03,069 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:29:03,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 23:29:03,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:29:03,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 23:29:03,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:29:03,069 INFO L87 Difference]: Start difference. First operand 981 states and 1294 transitions. Second operand has 9 states, 8 states have (on average 16.625) internal successors, (133), 9 states have internal predecessors, (133), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-27 23:29:04,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:29:04,741 INFO L93 Difference]: Finished difference Result 1122 states and 1477 transitions. [2024-11-27 23:29:04,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 23:29:04,742 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 16.625) internal successors, (133), 9 states have internal predecessors, (133), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) Word has length 212 [2024-11-27 23:29:04,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:29:04,744 INFO L225 Difference]: With dead ends: 1122 [2024-11-27 23:29:04,744 INFO L226 Difference]: Without dead ends: 1119 [2024-11-27 23:29:04,744 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2024-11-27 23:29:04,744 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 153 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 960 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:29:04,745 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 787 Invalid, 972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 960 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-27 23:29:04,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2024-11-27 23:29:04,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 1081. [2024-11-27 23:29:04,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1081 states, 935 states have (on average 1.3828877005347593) internal successors, (1293), 991 states have internal predecessors, (1293), 87 states have call successors, (87), 2 states have call predecessors, (87), 2 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-27 23:29:04,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1467 transitions. [2024-11-27 23:29:04,864 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1467 transitions. Word has length 212 [2024-11-27 23:29:04,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:29:04,864 INFO L471 AbstractCegarLoop]: Abstraction has 1081 states and 1467 transitions. [2024-11-27 23:29:04,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 16.625) internal successors, (133), 9 states have internal predecessors, (133), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-27 23:29:04,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1467 transitions. [2024-11-27 23:29:04,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-27 23:29:04,865 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:29:04,865 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:04,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (80)] Ended with exit code 0 [2024-11-27 23:29:05,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,80 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:29:05,066 INFO L396 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:29:05,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:05,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1759693019, now seen corresponding path program 1 times [2024-11-27 23:29:05,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:05,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506588172] [2024-11-27 23:29:05,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:05,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:29:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:29:05,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1593195416] [2024-11-27 23:29:05,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:05,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:29:05,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:29:05,088 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:29:05,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Waiting until timeout for monitored process [2024-11-27 23:29:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:05,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-27 23:29:05,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:29:07,427 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 48 proven. 120 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-27 23:29:07,427 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:29:07,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:29:07,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506588172] [2024-11-27 23:29:07,746 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:29:07,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593195416] [2024-11-27 23:29:07,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593195416] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:29:07,746 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:29:07,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2024-11-27 23:29:07,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202523018] [2024-11-27 23:29:07,746 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:29:07,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-27 23:29:07,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:29:07,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-27 23:29:07,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:29:07,747 INFO L87 Difference]: Start difference. First operand 1081 states and 1467 transitions. Second operand has 15 states, 14 states have (on average 9.928571428571429) internal successors, (139), 14 states have internal predecessors, (139), 5 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 5 states have call successors, (17) [2024-11-27 23:29:15,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:29:15,542 INFO L93 Difference]: Finished difference Result 1088 states and 1470 transitions. [2024-11-27 23:29:15,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 23:29:15,543 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 9.928571428571429) internal successors, (139), 14 states have internal predecessors, (139), 5 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 5 states have call successors, (17) Word has length 215 [2024-11-27 23:29:15,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:29:15,545 INFO L225 Difference]: With dead ends: 1088 [2024-11-27 23:29:15,545 INFO L226 Difference]: Without dead ends: 1087 [2024-11-27 23:29:15,545 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=82, Invalid=469, Unknown=1, NotChecked=0, Total=552 [2024-11-27 23:29:15,545 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 171 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 2622 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 2631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:29:15,545 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 787 Invalid, 2631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 2622 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-27 23:29:15,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states. [2024-11-27 23:29:15,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 1081. [2024-11-27 23:29:15,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1081 states, 935 states have (on average 1.3807486631016044) internal successors, (1291), 991 states have internal predecessors, (1291), 87 states have call successors, (87), 2 states have call predecessors, (87), 2 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-27 23:29:15,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1465 transitions. [2024-11-27 23:29:15,661 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1465 transitions. Word has length 215 [2024-11-27 23:29:15,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:29:15,662 INFO L471 AbstractCegarLoop]: Abstraction has 1081 states and 1465 transitions. [2024-11-27 23:29:15,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 9.928571428571429) internal successors, (139), 14 states have internal predecessors, (139), 5 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 5 states have call successors, (17) [2024-11-27 23:29:15,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1465 transitions. [2024-11-27 23:29:15,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-27 23:29:15,663 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:29:15,663 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:15,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Ended with exit code 0 [2024-11-27 23:29:15,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 81 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84 [2024-11-27 23:29:15,863 INFO L396 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:29:15,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:15,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1284091399, now seen corresponding path program 1 times [2024-11-27 23:29:15,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:15,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267152408] [2024-11-27 23:29:15,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:15,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:29:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:29:15,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1076018545] [2024-11-27 23:29:15,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:15,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:29:15,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:29:15,888 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:29:15,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (82)] Waiting until timeout for monitored process [2024-11-27 23:29:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:15,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-27 23:29:15,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:29:17,066 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 71 proven. 75 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-27 23:29:17,067 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:29:21,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:29:21,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267152408] [2024-11-27 23:29:21,459 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:29:21,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076018545] [2024-11-27 23:29:21,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076018545] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:29:21,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:29:21,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-27 23:29:21,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442487982] [2024-11-27 23:29:21,460 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:29:21,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 23:29:21,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:29:21,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 23:29:21,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=167, Unknown=1, NotChecked=0, Total=210 [2024-11-27 23:29:21,461 INFO L87 Difference]: Start difference. First operand 1081 states and 1465 transitions. Second operand has 12 states, 11 states have (on average 12.727272727272727) internal successors, (140), 12 states have internal predecessors, (140), 4 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-27 23:29:24,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:29:24,106 INFO L93 Difference]: Finished difference Result 1123 states and 1467 transitions. [2024-11-27 23:29:24,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-27 23:29:24,106 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 12.727272727272727) internal successors, (140), 12 states have internal predecessors, (140), 4 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) Word has length 216 [2024-11-27 23:29:24,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:29:24,108 INFO L225 Difference]: With dead ends: 1123 [2024-11-27 23:29:24,108 INFO L226 Difference]: Without dead ends: 1120 [2024-11-27 23:29:24,109 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=160, Invalid=489, Unknown=1, NotChecked=0, Total=650 [2024-11-27 23:29:24,109 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 144 mSDsluCounter, 899 mSDsCounter, 0 mSdLazyCounter, 1636 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1065 SdHoareTripleChecker+Invalid, 1650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:29:24,109 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1065 Invalid, 1650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1636 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-27 23:29:24,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2024-11-27 23:29:24,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1081. [2024-11-27 23:29:24,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1081 states, 935 states have (on average 1.3679144385026738) internal successors, (1279), 991 states have internal predecessors, (1279), 87 states have call successors, (87), 2 states have call predecessors, (87), 2 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-27 23:29:24,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1453 transitions. [2024-11-27 23:29:24,247 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1453 transitions. Word has length 216 [2024-11-27 23:29:24,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:29:24,247 INFO L471 AbstractCegarLoop]: Abstraction has 1081 states and 1453 transitions. [2024-11-27 23:29:24,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 12.727272727272727) internal successors, (140), 12 states have internal predecessors, (140), 4 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-27 23:29:24,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1453 transitions. [2024-11-27 23:29:24,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-27 23:29:24,248 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:29:24,248 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:24,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (82)] Ended with exit code 0 [2024-11-27 23:29:24,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 82 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable85 [2024-11-27 23:29:24,449 INFO L396 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:29:24,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:24,449 INFO L85 PathProgramCache]: Analyzing trace with hash -840038501, now seen corresponding path program 3 times [2024-11-27 23:29:24,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:24,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735995555] [2024-11-27 23:29:24,449 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:29:24,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:29:24,491 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-27 23:29:24,491 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 23:29:24,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [887996335] [2024-11-27 23:29:24,492 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:29:24,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:29:24,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:29:24,494 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:29:24,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (83)] Waiting until timeout for monitored process [2024-11-27 23:29:24,566 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-27 23:29:24,566 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:29:24,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 23:29:24,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:29:25,007 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-11-27 23:29:25,008 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:29:25,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:29:25,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735995555] [2024-11-27 23:29:25,008 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:29:25,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887996335] [2024-11-27 23:29:25,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887996335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:29:25,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:29:25,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:29:25,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040457984] [2024-11-27 23:29:25,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:29:25,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:29:25,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:29:25,009 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:29:25,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:29:25,009 INFO L87 Difference]: Start difference. First operand 1081 states and 1453 transitions. Second operand has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-27 23:29:25,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:29:25,750 INFO L93 Difference]: Finished difference Result 1103 states and 1453 transitions. [2024-11-27 23:29:25,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 23:29:25,751 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 224 [2024-11-27 23:29:25,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:29:25,752 INFO L225 Difference]: With dead ends: 1103 [2024-11-27 23:29:25,753 INFO L226 Difference]: Without dead ends: 1102 [2024-11-27 23:29:25,753 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:29:25,753 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 117 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:29:25,753 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 451 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:29:25,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2024-11-27 23:29:25,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 1080. [2024-11-27 23:29:25,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1080 states, 935 states have (on average 1.3593582887700535) internal successors, (1271), 990 states have internal predecessors, (1271), 87 states have call successors, (87), 2 states have call predecessors, (87), 2 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-27 23:29:25,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 1080 states and 1445 transitions. [2024-11-27 23:29:25,872 INFO L78 Accepts]: Start accepts. Automaton has 1080 states and 1445 transitions. Word has length 224 [2024-11-27 23:29:25,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:29:25,872 INFO L471 AbstractCegarLoop]: Abstraction has 1080 states and 1445 transitions. [2024-11-27 23:29:25,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-27 23:29:25,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1445 transitions. [2024-11-27 23:29:25,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-27 23:29:25,873 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:29:25,873 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:25,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (83)] Forceful destruction successful, exit code 0 [2024-11-27 23:29:26,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 83 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable86 [2024-11-27 23:29:26,073 INFO L396 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:29:26,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:26,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1118982101, now seen corresponding path program 2 times [2024-11-27 23:29:26,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:26,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380631049] [2024-11-27 23:29:26,074 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:29:26,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:29:26,092 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:29:26,092 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 23:29:26,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [385557193] [2024-11-27 23:29:26,093 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:29:26,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:29:26,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:29:26,097 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:29:26,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (84)] Waiting until timeout for monitored process [2024-11-27 23:29:26,205 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:29:26,206 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:29:26,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 23:29:26,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:29:26,636 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 127 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-27 23:29:26,636 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:29:27,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:29:27,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380631049] [2024-11-27 23:29:27,057 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:29:27,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385557193] [2024-11-27 23:29:27,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385557193] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:29:27,058 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:29:27,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-27 23:29:27,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462949260] [2024-11-27 23:29:27,058 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:29:27,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:29:27,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:29:27,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:29:27,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:29:27,059 INFO L87 Difference]: Start difference. First operand 1080 states and 1445 transitions. Second operand has 6 states, 5 states have (on average 28.2) internal successors, (141), 6 states have internal predecessors, (141), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-27 23:29:27,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:29:27,508 INFO L93 Difference]: Finished difference Result 1082 states and 1445 transitions. [2024-11-27 23:29:27,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:29:27,508 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 28.2) internal successors, (141), 6 states have internal predecessors, (141), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) Word has length 225 [2024-11-27 23:29:27,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:29:27,510 INFO L225 Difference]: With dead ends: 1082 [2024-11-27 23:29:27,510 INFO L226 Difference]: Without dead ends: 1081 [2024-11-27 23:29:27,510 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:29:27,511 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 86 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:29:27,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 288 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:29:27,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states. [2024-11-27 23:29:27,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 1080. [2024-11-27 23:29:27,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1080 states, 935 states have (on average 1.358288770053476) internal successors, (1270), 990 states have internal predecessors, (1270), 87 states have call successors, (87), 2 states have call predecessors, (87), 2 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-27 23:29:27,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 1080 states and 1444 transitions. [2024-11-27 23:29:27,658 INFO L78 Accepts]: Start accepts. Automaton has 1080 states and 1444 transitions. Word has length 225 [2024-11-27 23:29:27,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:29:27,658 INFO L471 AbstractCegarLoop]: Abstraction has 1080 states and 1444 transitions. [2024-11-27 23:29:27,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 28.2) internal successors, (141), 6 states have internal predecessors, (141), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-27 23:29:27,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1444 transitions. [2024-11-27 23:29:27,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-27 23:29:27,659 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:29:27,659 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:27,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (84)] Forceful destruction successful, exit code 0 [2024-11-27 23:29:27,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87,84 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:29:27,860 INFO L396 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:29:27,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:27,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1899180930, now seen corresponding path program 1 times [2024-11-27 23:29:27,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:27,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254350531] [2024-11-27 23:29:27,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:27,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:29:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:29:27,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [721983245] [2024-11-27 23:29:27,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:27,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:29:27,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:29:27,887 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:29:27,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (85)] Waiting until timeout for monitored process [2024-11-27 23:29:27,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:27,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:29:28,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:29:28,487 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 41 proven. 85 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-27 23:29:28,487 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:29:28,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:29:28,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254350531] [2024-11-27 23:29:28,636 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:29:28,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721983245] [2024-11-27 23:29:28,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721983245] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:29:28,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:29:28,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-27 23:29:28,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710632442] [2024-11-27 23:29:28,637 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:29:28,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:29:28,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:29:28,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:29:28,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:29:28,638 INFO L87 Difference]: Start difference. First operand 1080 states and 1444 transitions. Second operand has 7 states, 6 states have (on average 23.666666666666668) internal successors, (142), 7 states have internal predecessors, (142), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-27 23:29:29,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:29:29,439 INFO L93 Difference]: Finished difference Result 1101 states and 1453 transitions. [2024-11-27 23:29:29,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:29:29,439 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.666666666666668) internal successors, (142), 7 states have internal predecessors, (142), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 226 [2024-11-27 23:29:29,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:29:29,441 INFO L225 Difference]: With dead ends: 1101 [2024-11-27 23:29:29,441 INFO L226 Difference]: Without dead ends: 1099 [2024-11-27 23:29:29,441 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:29:29,441 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 36 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:29:29,442 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 626 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 23:29:29,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1099 states. [2024-11-27 23:29:29,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1099 to 1082. [2024-11-27 23:29:29,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1082 states, 937 states have (on average 1.3543223052294557) internal successors, (1269), 992 states have internal predecessors, (1269), 87 states have call successors, (87), 2 states have call predecessors, (87), 2 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-27 23:29:29,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1443 transitions. [2024-11-27 23:29:29,558 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1443 transitions. Word has length 226 [2024-11-27 23:29:29,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:29:29,559 INFO L471 AbstractCegarLoop]: Abstraction has 1082 states and 1443 transitions. [2024-11-27 23:29:29,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.666666666666668) internal successors, (142), 7 states have internal predecessors, (142), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-27 23:29:29,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1443 transitions. [2024-11-27 23:29:29,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-27 23:29:29,560 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:29:29,560 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:29,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (85)] Ended with exit code 0 [2024-11-27 23:29:29,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88,85 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:29:29,760 INFO L396 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:29:29,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:29,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1254933148, now seen corresponding path program 1 times [2024-11-27 23:29:29,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:29,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860044908] [2024-11-27 23:29:29,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:29,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:29:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:29:29,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1153415206] [2024-11-27 23:29:29,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:29,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:29:29,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:29:29,784 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:29:29,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (86)] Waiting until timeout for monitored process [2024-11-27 23:29:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:29,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-27 23:29:29,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:29:30,565 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 127 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-27 23:29:30,566 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:29:31,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:29:31,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860044908] [2024-11-27 23:29:31,578 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:29:31,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153415206] [2024-11-27 23:29:31,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153415206] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:29:31,578 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:29:31,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-27 23:29:31,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359136142] [2024-11-27 23:29:31,578 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:29:31,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 23:29:31,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:29:31,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 23:29:31,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:29:31,579 INFO L87 Difference]: Start difference. First operand 1082 states and 1443 transitions. Second operand has 10 states, 9 states have (on average 15.88888888888889) internal successors, (143), 10 states have internal predecessors, (143), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-27 23:29:32,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:29:32,843 INFO L93 Difference]: Finished difference Result 1200 states and 1578 transitions. [2024-11-27 23:29:32,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 23:29:32,843 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.88888888888889) internal successors, (143), 10 states have internal predecessors, (143), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 227 [2024-11-27 23:29:32,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:29:32,845 INFO L225 Difference]: With dead ends: 1200 [2024-11-27 23:29:32,845 INFO L226 Difference]: Without dead ends: 1198 [2024-11-27 23:29:32,845 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:29:32,846 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 168 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 1266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:29:32,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 851 Invalid, 1266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1257 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-27 23:29:32,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2024-11-27 23:29:32,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 1178. [2024-11-27 23:29:32,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1178 states, 1025 states have (on average 1.342439024390244) internal successors, (1376), 1080 states have internal predecessors, (1376), 95 states have call successors, (95), 2 states have call predecessors, (95), 2 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-27 23:29:32,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 1566 transitions. [2024-11-27 23:29:32,996 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 1566 transitions. Word has length 227 [2024-11-27 23:29:32,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:29:32,996 INFO L471 AbstractCegarLoop]: Abstraction has 1178 states and 1566 transitions. [2024-11-27 23:29:32,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.88888888888889) internal successors, (143), 10 states have internal predecessors, (143), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-27 23:29:32,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1566 transitions. [2024-11-27 23:29:32,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-27 23:29:32,998 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:29:32,998 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:33,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (86)] Forceful destruction successful, exit code 0 [2024-11-27 23:29:33,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89,86 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:29:33,198 INFO L396 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:29:33,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:33,199 INFO L85 PathProgramCache]: Analyzing trace with hash -248221756, now seen corresponding path program 1 times [2024-11-27 23:29:33,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:33,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199413882] [2024-11-27 23:29:33,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:33,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:29:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:33,389 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-11-27 23:29:33,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:29:33,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199413882] [2024-11-27 23:29:33,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199413882] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:29:33,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [972591040] [2024-11-27 23:29:33,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:33,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:29:33,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:29:33,395 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:29:33,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (87)] Waiting until timeout for monitored process [2024-11-27 23:29:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:33,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:29:33,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:29:33,775 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-11-27 23:29:33,775 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:29:33,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [972591040] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:29:33,879 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:29:33,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-27 23:29:33,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811483253] [2024-11-27 23:29:33,879 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:29:33,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 23:29:33,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:29:33,880 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 23:29:33,880 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:29:33,880 INFO L87 Difference]: Start difference. First operand 1178 states and 1566 transitions. Second operand has 10 states, 9 states have (on average 23.0) internal successors, (207), 10 states have internal predecessors, (207), 5 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) [2024-11-27 23:29:34,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:29:34,682 INFO L93 Difference]: Finished difference Result 1370 states and 1770 transitions. [2024-11-27 23:29:34,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 23:29:34,682 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 23.0) internal successors, (207), 10 states have internal predecessors, (207), 5 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) Word has length 228 [2024-11-27 23:29:34,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:29:34,684 INFO L225 Difference]: With dead ends: 1370 [2024-11-27 23:29:34,684 INFO L226 Difference]: Without dead ends: 1369 [2024-11-27 23:29:34,685 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-27 23:29:34,685 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 145 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:29:34,685 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 692 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:29:34,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1369 states. [2024-11-27 23:29:34,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1369 to 1280. [2024-11-27 23:29:34,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1280 states, 1119 states have (on average 1.3699731903485255) internal successors, (1533), 1174 states have internal predecessors, (1533), 103 states have call successors, (103), 2 states have call predecessors, (103), 2 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-27 23:29:34,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 1280 states and 1739 transitions. [2024-11-27 23:29:34,863 INFO L78 Accepts]: Start accepts. Automaton has 1280 states and 1739 transitions. Word has length 228 [2024-11-27 23:29:34,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:29:34,863 INFO L471 AbstractCegarLoop]: Abstraction has 1280 states and 1739 transitions. [2024-11-27 23:29:34,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 23.0) internal successors, (207), 10 states have internal predecessors, (207), 5 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) [2024-11-27 23:29:34,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 1739 transitions. [2024-11-27 23:29:34,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-27 23:29:34,864 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:29:34,864 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:34,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (87)] Forceful destruction successful, exit code 0 [2024-11-27 23:29:35,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,87 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:29:35,064 INFO L396 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:29:35,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:35,065 INFO L85 PathProgramCache]: Analyzing trace with hash 895060326, now seen corresponding path program 1 times [2024-11-27 23:29:35,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:35,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466684010] [2024-11-27 23:29:35,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:35,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:29:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:29:35,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [291169865] [2024-11-27 23:29:35,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:35,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:29:35,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:29:35,090 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:29:35,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (88)] Waiting until timeout for monitored process [2024-11-27 23:29:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:35,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 23:29:35,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:29:35,971 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 41 proven. 88 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-27 23:29:35,971 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:29:36,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:29:36,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466684010] [2024-11-27 23:29:36,130 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:29:36,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291169865] [2024-11-27 23:29:36,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [291169865] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:29:36,131 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:29:36,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-27 23:29:36,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391187375] [2024-11-27 23:29:36,131 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:29:36,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:29:36,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:29:36,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:29:36,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:29:36,132 INFO L87 Difference]: Start difference. First operand 1280 states and 1739 transitions. Second operand has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 8 states have internal predecessors, (145), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-27 23:29:36,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:29:36,946 INFO L93 Difference]: Finished difference Result 1295 states and 1739 transitions. [2024-11-27 23:29:36,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 23:29:36,947 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 8 states have internal predecessors, (145), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 229 [2024-11-27 23:29:36,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:29:36,949 INFO L225 Difference]: With dead ends: 1295 [2024-11-27 23:29:36,949 INFO L226 Difference]: Without dead ends: 1294 [2024-11-27 23:29:36,949 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:29:36,949 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 34 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:29:36,949 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 610 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 23:29:36,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1294 states. [2024-11-27 23:29:37,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1294 to 1280. [2024-11-27 23:29:37,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1280 states, 1119 states have (on average 1.3681858802502234) internal successors, (1531), 1174 states have internal predecessors, (1531), 103 states have call successors, (103), 2 states have call predecessors, (103), 2 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-27 23:29:37,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 1280 states and 1737 transitions. [2024-11-27 23:29:37,103 INFO L78 Accepts]: Start accepts. Automaton has 1280 states and 1737 transitions. Word has length 229 [2024-11-27 23:29:37,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:29:37,103 INFO L471 AbstractCegarLoop]: Abstraction has 1280 states and 1737 transitions. [2024-11-27 23:29:37,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 8 states have internal predecessors, (145), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-27 23:29:37,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 1737 transitions. [2024-11-27 23:29:37,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-27 23:29:37,104 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:29:37,104 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:37,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (88)] Ended with exit code 0 [2024-11-27 23:29:37,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,88 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:29:37,305 INFO L396 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:29:37,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:37,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1090527035, now seen corresponding path program 2 times [2024-11-27 23:29:37,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:37,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449915525] [2024-11-27 23:29:37,305 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:29:37,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:29:37,333 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:29:37,333 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 23:29:37,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [391224806] [2024-11-27 23:29:37,334 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:29:37,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:29:37,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:29:37,337 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:29:37,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (89)] Waiting until timeout for monitored process [2024-11-27 23:29:37,446 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:29:37,446 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:29:37,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 23:29:37,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:29:37,745 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 85 proven. 46 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-27 23:29:37,745 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:29:37,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:29:37,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449915525] [2024-11-27 23:29:37,806 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:29:37,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [391224806] [2024-11-27 23:29:37,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [391224806] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:29:37,806 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:29:37,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-27 23:29:37,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203932716] [2024-11-27 23:29:37,806 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:29:37,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:29:37,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:29:37,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:29:37,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:29:37,807 INFO L87 Difference]: Start difference. First operand 1280 states and 1737 transitions. Second operand has 7 states, 6 states have (on average 24.166666666666668) internal successors, (145), 7 states have internal predecessors, (145), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-27 23:29:38,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:29:38,414 INFO L93 Difference]: Finished difference Result 1308 states and 1737 transitions. [2024-11-27 23:29:38,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 23:29:38,415 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 24.166666666666668) internal successors, (145), 7 states have internal predecessors, (145), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 229 [2024-11-27 23:29:38,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:29:38,416 INFO L225 Difference]: With dead ends: 1308 [2024-11-27 23:29:38,416 INFO L226 Difference]: Without dead ends: 1306 [2024-11-27 23:29:38,416 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2024-11-27 23:29:38,417 INFO L435 NwaCegarLoop]: 278 mSDtfsCounter, 126 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 1118 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:29:38,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 1118 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:29:38,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1306 states. [2024-11-27 23:29:38,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1306 to 1278. [2024-11-27 23:29:38,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1278 states, 1119 states have (on average 1.357462019660411) internal successors, (1519), 1172 states have internal predecessors, (1519), 103 states have call successors, (103), 2 states have call predecessors, (103), 2 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-27 23:29:38,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1278 states and 1725 transitions. [2024-11-27 23:29:38,587 INFO L78 Accepts]: Start accepts. Automaton has 1278 states and 1725 transitions. Word has length 229 [2024-11-27 23:29:38,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:29:38,587 INFO L471 AbstractCegarLoop]: Abstraction has 1278 states and 1725 transitions. [2024-11-27 23:29:38,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 24.166666666666668) internal successors, (145), 7 states have internal predecessors, (145), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-27 23:29:38,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1725 transitions. [2024-11-27 23:29:38,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-27 23:29:38,589 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:29:38,589 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:38,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (89)] Forceful destruction successful, exit code 0 [2024-11-27 23:29:38,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 89 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable92 [2024-11-27 23:29:38,790 INFO L396 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:29:38,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:38,790 INFO L85 PathProgramCache]: Analyzing trace with hash -16842061, now seen corresponding path program 2 times [2024-11-27 23:29:38,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:38,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166190903] [2024-11-27 23:29:38,791 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:29:38,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:29:38,813 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:29:38,813 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 23:29:38,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1694591451] [2024-11-27 23:29:38,815 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:29:38,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:29:38,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:29:38,817 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:29:38,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (90)] Waiting until timeout for monitored process [2024-11-27 23:29:38,942 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:29:38,943 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:29:38,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-27 23:29:38,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:29:40,504 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 143 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2024-11-27 23:29:40,505 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:29:44,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:29:44,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166190903] [2024-11-27 23:29:44,705 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:29:44,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694591451] [2024-11-27 23:29:44,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694591451] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:29:44,705 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:29:44,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-27 23:29:44,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631428542] [2024-11-27 23:29:44,705 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:29:44,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 23:29:44,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:29:44,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 23:29:44,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=207, Unknown=1, NotChecked=0, Total=272 [2024-11-27 23:29:44,706 INFO L87 Difference]: Start difference. First operand 1278 states and 1725 transitions. Second operand has 13 states, 12 states have (on average 12.333333333333334) internal successors, (148), 13 states have internal predecessors, (148), 6 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 5 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-27 23:29:46,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:29:46,321 INFO L93 Difference]: Finished difference Result 1415 states and 1905 transitions. [2024-11-27 23:29:46,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 23:29:46,321 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 12.333333333333334) internal successors, (148), 13 states have internal predecessors, (148), 6 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 5 states have call predecessors, (18), 6 states have call successors, (18) Word has length 229 [2024-11-27 23:29:46,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:29:46,323 INFO L225 Difference]: With dead ends: 1415 [2024-11-27 23:29:46,323 INFO L226 Difference]: Without dead ends: 1412 [2024-11-27 23:29:46,324 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=124, Invalid=381, Unknown=1, NotChecked=0, Total=506 [2024-11-27 23:29:46,324 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 328 mSDsluCounter, 889 mSDsCounter, 0 mSdLazyCounter, 1709 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 1040 SdHoareTripleChecker+Invalid, 1726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:29:46,324 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 1040 Invalid, 1726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1709 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-27 23:29:46,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1412 states. [2024-11-27 23:29:46,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1412 to 1396. [2024-11-27 23:29:46,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1396 states, 1227 states have (on average 1.3553382233088835) internal successors, (1663), 1280 states have internal predecessors, (1663), 113 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-27 23:29:46,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1396 states and 1889 transitions. [2024-11-27 23:29:46,482 INFO L78 Accepts]: Start accepts. Automaton has 1396 states and 1889 transitions. Word has length 229 [2024-11-27 23:29:46,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:29:46,483 INFO L471 AbstractCegarLoop]: Abstraction has 1396 states and 1889 transitions. [2024-11-27 23:29:46,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 12.333333333333334) internal successors, (148), 13 states have internal predecessors, (148), 6 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 5 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-27 23:29:46,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 1889 transitions. [2024-11-27 23:29:46,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-27 23:29:46,483 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:29:46,484 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:46,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (90)] Ended with exit code 0 [2024-11-27 23:29:46,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 90 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable93 [2024-11-27 23:29:46,684 INFO L396 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:29:46,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:46,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1977066502, now seen corresponding path program 1 times [2024-11-27 23:29:46,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:46,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702275400] [2024-11-27 23:29:46,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:46,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:29:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:29:46,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1951565032] [2024-11-27 23:29:46,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:46,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:29:46,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:29:46,708 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:29:46,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Waiting until timeout for monitored process [2024-11-27 23:29:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:46,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:29:46,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:29:47,260 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 41 proven. 89 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-27 23:29:47,261 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:29:47,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:29:47,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702275400] [2024-11-27 23:29:47,427 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:29:47,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951565032] [2024-11-27 23:29:47,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951565032] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:29:47,427 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:29:47,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-27 23:29:47,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474448695] [2024-11-27 23:29:47,427 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:29:47,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:29:47,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:29:47,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:29:47,428 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:29:47,428 INFO L87 Difference]: Start difference. First operand 1396 states and 1889 transitions. Second operand has 8 states, 7 states have (on average 20.857142857142858) internal successors, (146), 8 states have internal predecessors, (146), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-27 23:29:48,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:29:48,228 INFO L93 Difference]: Finished difference Result 1480 states and 1914 transitions. [2024-11-27 23:29:48,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 23:29:48,228 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 20.857142857142858) internal successors, (146), 8 states have internal predecessors, (146), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) Word has length 230 [2024-11-27 23:29:48,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:29:48,230 INFO L225 Difference]: With dead ends: 1480 [2024-11-27 23:29:48,230 INFO L226 Difference]: Without dead ends: 1479 [2024-11-27 23:29:48,231 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:29:48,231 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 254 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:29:48,231 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 638 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 23:29:48,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1479 states. [2024-11-27 23:29:48,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1479 to 1396. [2024-11-27 23:29:48,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1396 states, 1227 states have (on average 1.354523227383863) internal successors, (1662), 1280 states have internal predecessors, (1662), 113 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-27 23:29:48,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1396 states and 1888 transitions. [2024-11-27 23:29:48,391 INFO L78 Accepts]: Start accepts. Automaton has 1396 states and 1888 transitions. Word has length 230 [2024-11-27 23:29:48,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:29:48,391 INFO L471 AbstractCegarLoop]: Abstraction has 1396 states and 1888 transitions. [2024-11-27 23:29:48,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 20.857142857142858) internal successors, (146), 8 states have internal predecessors, (146), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-27 23:29:48,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 1888 transitions. [2024-11-27 23:29:48,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-27 23:29:48,392 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:29:48,392 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:48,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Forceful destruction successful, exit code 0 [2024-11-27 23:29:48,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94,91 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:29:48,593 INFO L396 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:29:48,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:48,593 INFO L85 PathProgramCache]: Analyzing trace with hash -522103706, now seen corresponding path program 2 times [2024-11-27 23:29:48,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:48,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577657471] [2024-11-27 23:29:48,593 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:29:48,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:29:48,609 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:29:48,609 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 23:29:48,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [391302420] [2024-11-27 23:29:48,610 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:29:48,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:29:48,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:29:48,613 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:29:48,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (92)] Waiting until timeout for monitored process [2024-11-27 23:29:48,711 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:29:48,711 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:29:48,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-27 23:29:48,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:29:50,386 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 143 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2024-11-27 23:29:50,386 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:29:58,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:29:58,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577657471] [2024-11-27 23:29:58,780 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:29:58,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [391302420] [2024-11-27 23:29:58,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [391302420] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:29:58,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:29:58,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-27 23:29:58,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483204354] [2024-11-27 23:29:58,781 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:29:58,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 23:29:58,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:29:58,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 23:29:58,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=206, Unknown=2, NotChecked=0, Total=272 [2024-11-27 23:29:58,782 INFO L87 Difference]: Start difference. First operand 1396 states and 1888 transitions. Second operand has 13 states, 12 states have (on average 12.416666666666666) internal successors, (149), 13 states have internal predecessors, (149), 6 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 5 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-27 23:30:00,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:00,245 INFO L93 Difference]: Finished difference Result 1415 states and 1897 transitions. [2024-11-27 23:30:00,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 23:30:00,245 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 12.416666666666666) internal successors, (149), 13 states have internal predecessors, (149), 6 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 5 states have call predecessors, (18), 6 states have call successors, (18) Word has length 230 [2024-11-27 23:30:00,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:00,247 INFO L225 Difference]: With dead ends: 1415 [2024-11-27 23:30:00,247 INFO L226 Difference]: Without dead ends: 1412 [2024-11-27 23:30:00,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=136, Invalid=414, Unknown=2, NotChecked=0, Total=552 [2024-11-27 23:30:00,248 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 336 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 1494 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 949 SdHoareTripleChecker+Invalid, 1513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:00,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 949 Invalid, 1513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1494 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-27 23:30:00,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1412 states. [2024-11-27 23:30:00,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1412 to 1396. [2024-11-27 23:30:00,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1396 states, 1227 states have (on average 1.3488182559087205) internal successors, (1655), 1280 states have internal predecessors, (1655), 113 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-27 23:30:00,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1396 states and 1881 transitions. [2024-11-27 23:30:00,448 INFO L78 Accepts]: Start accepts. Automaton has 1396 states and 1881 transitions. Word has length 230 [2024-11-27 23:30:00,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:00,449 INFO L471 AbstractCegarLoop]: Abstraction has 1396 states and 1881 transitions. [2024-11-27 23:30:00,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 12.416666666666666) internal successors, (149), 13 states have internal predecessors, (149), 6 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 5 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-27 23:30:00,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 1881 transitions. [2024-11-27 23:30:00,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-11-27 23:30:00,450 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:00,450 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:00,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (92)] Ended with exit code 0 [2024-11-27 23:30:00,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95,92 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:00,650 INFO L396 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:30:00,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:00,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1159519592, now seen corresponding path program 1 times [2024-11-27 23:30:00,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:00,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371218193] [2024-11-27 23:30:00,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:00,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:30:00,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1110394260] [2024-11-27 23:30:00,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:00,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:00,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:00,673 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:30:00,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (93)] Waiting until timeout for monitored process [2024-11-27 23:30:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:00,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-27 23:30:00,812 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:06,255 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 30 proven. 134 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-11-27 23:30:06,255 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:07,174 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 0 proven. 131 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-27 23:30:07,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:07,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371218193] [2024-11-27 23:30:07,174 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:30:07,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110394260] [2024-11-27 23:30:07,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110394260] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:30:07,174 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:30:07,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 21 [2024-11-27 23:30:07,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326930155] [2024-11-27 23:30:07,175 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:30:07,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-27 23:30:07,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:07,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-27 23:30:07,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=384, Unknown=1, NotChecked=0, Total=462 [2024-11-27 23:30:07,176 INFO L87 Difference]: Start difference. First operand 1396 states and 1881 transitions. Second operand has 22 states, 21 states have (on average 13.380952380952381) internal successors, (281), 22 states have internal predecessors, (281), 10 states have call successors, (32), 1 states have call predecessors, (32), 2 states have return successors, (32), 10 states have call predecessors, (32), 10 states have call successors, (32) [2024-11-27 23:30:10,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:10,065 INFO L93 Difference]: Finished difference Result 1440 states and 1881 transitions. [2024-11-27 23:30:10,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 23:30:10,065 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 13.380952380952381) internal successors, (281), 22 states have internal predecessors, (281), 10 states have call successors, (32), 1 states have call predecessors, (32), 2 states have return successors, (32), 10 states have call predecessors, (32), 10 states have call successors, (32) Word has length 231 [2024-11-27 23:30:10,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:10,067 INFO L225 Difference]: With dead ends: 1440 [2024-11-27 23:30:10,068 INFO L226 Difference]: Without dead ends: 1439 [2024-11-27 23:30:10,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 468 GetRequests, 438 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=144, Invalid=725, Unknown=1, NotChecked=0, Total=870 [2024-11-27 23:30:10,068 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 430 mSDsluCounter, 1119 mSDsCounter, 0 mSdLazyCounter, 2596 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 1223 SdHoareTripleChecker+Invalid, 2639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 2596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:10,069 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 1223 Invalid, 2639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 2596 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-27 23:30:10,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1439 states. [2024-11-27 23:30:10,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1439 to 1396. [2024-11-27 23:30:10,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1396 states, 1227 states have (on average 1.3480032599837002) internal successors, (1654), 1280 states have internal predecessors, (1654), 113 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-27 23:30:10,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1396 states and 1880 transitions. [2024-11-27 23:30:10,266 INFO L78 Accepts]: Start accepts. Automaton has 1396 states and 1880 transitions. Word has length 231 [2024-11-27 23:30:10,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:10,266 INFO L471 AbstractCegarLoop]: Abstraction has 1396 states and 1880 transitions. [2024-11-27 23:30:10,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 13.380952380952381) internal successors, (281), 22 states have internal predecessors, (281), 10 states have call successors, (32), 1 states have call predecessors, (32), 2 states have return successors, (32), 10 states have call predecessors, (32), 10 states have call successors, (32) [2024-11-27 23:30:10,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 1880 transitions. [2024-11-27 23:30:10,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-11-27 23:30:10,268 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:10,268 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:10,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (93)] Ended with exit code 0 [2024-11-27 23:30:10,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96,93 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:10,473 INFO L396 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:30:10,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:10,473 INFO L85 PathProgramCache]: Analyzing trace with hash 994654485, now seen corresponding path program 2 times [2024-11-27 23:30:10,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:10,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830137968] [2024-11-27 23:30:10,473 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:30:10,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:10,489 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:30:10,489 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 23:30:10,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [146785455] [2024-11-27 23:30:10,490 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:30:10,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:10,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:10,492 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:30:10,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (94)] Waiting until timeout for monitored process [2024-11-27 23:30:10,596 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:30:10,596 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:30:10,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-27 23:30:10,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:12,618 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 3 proven. 140 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2024-11-27 23:30:12,618 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:12,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:12,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830137968] [2024-11-27 23:30:12,825 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:30:12,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146785455] [2024-11-27 23:30:12,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146785455] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:12,826 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:30:12,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-27 23:30:12,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441334566] [2024-11-27 23:30:12,826 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:30:12,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 23:30:12,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:12,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 23:30:12,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:30:12,827 INFO L87 Difference]: Start difference. First operand 1396 states and 1880 transitions. Second operand has 14 states, 13 states have (on average 11.538461538461538) internal successors, (150), 13 states have internal predecessors, (150), 6 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-27 23:30:14,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:14,559 INFO L93 Difference]: Finished difference Result 1416 states and 1897 transitions. [2024-11-27 23:30:14,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 23:30:14,559 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 11.538461538461538) internal successors, (150), 13 states have internal predecessors, (150), 6 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 231 [2024-11-27 23:30:14,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:14,561 INFO L225 Difference]: With dead ends: 1416 [2024-11-27 23:30:14,561 INFO L226 Difference]: Without dead ends: 1410 [2024-11-27 23:30:14,562 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=141, Invalid=411, Unknown=0, NotChecked=0, Total=552 [2024-11-27 23:30:14,562 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 253 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 1712 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 1716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:14,562 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 782 Invalid, 1716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1712 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-27 23:30:14,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1410 states. [2024-11-27 23:30:14,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1410 to 1393. [2024-11-27 23:30:14,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1393 states, 1224 states have (on average 1.3431372549019607) internal successors, (1644), 1277 states have internal predecessors, (1644), 113 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-27 23:30:14,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 1870 transitions. [2024-11-27 23:30:14,766 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 1870 transitions. Word has length 231 [2024-11-27 23:30:14,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:14,767 INFO L471 AbstractCegarLoop]: Abstraction has 1393 states and 1870 transitions. [2024-11-27 23:30:14,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 11.538461538461538) internal successors, (150), 13 states have internal predecessors, (150), 6 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-27 23:30:14,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1870 transitions. [2024-11-27 23:30:14,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-11-27 23:30:14,768 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:14,768 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:14,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (94)] Ended with exit code 0 [2024-11-27 23:30:14,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97,94 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:14,968 INFO L396 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:30:14,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:14,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1585369160, now seen corresponding path program 1 times [2024-11-27 23:30:14,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:14,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837653665] [2024-11-27 23:30:14,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:14,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:14,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:15,139 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-11-27 23:30:15,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:15,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837653665] [2024-11-27 23:30:15,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837653665] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:15,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765693532] [2024-11-27 23:30:15,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:15,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:15,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:15,141 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:30:15,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (95)] Waiting until timeout for monitored process [2024-11-27 23:30:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:15,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:30:15,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:15,475 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-11-27 23:30:15,475 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:15,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765693532] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:15,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:30:15,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-27 23:30:15,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822115299] [2024-11-27 23:30:15,626 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:30:15,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 23:30:15,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:15,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 23:30:15,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:30:15,627 INFO L87 Difference]: Start difference. First operand 1393 states and 1870 transitions. Second operand has 10 states, 9 states have (on average 23.88888888888889) internal successors, (215), 10 states have internal predecessors, (215), 5 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) [2024-11-27 23:30:16,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:16,294 INFO L93 Difference]: Finished difference Result 1423 states and 1870 transitions. [2024-11-27 23:30:16,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:30:16,294 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 23.88888888888889) internal successors, (215), 10 states have internal predecessors, (215), 5 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) Word has length 232 [2024-11-27 23:30:16,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:16,296 INFO L225 Difference]: With dead ends: 1423 [2024-11-27 23:30:16,296 INFO L226 Difference]: Without dead ends: 1422 [2024-11-27 23:30:16,297 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:30:16,297 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 57 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 1064 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:16,297 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 1064 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:30:16,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1422 states. [2024-11-27 23:30:16,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1422 to 1393. [2024-11-27 23:30:16,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1393 states, 1224 states have (on average 1.341503267973856) internal successors, (1642), 1277 states have internal predecessors, (1642), 113 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-27 23:30:16,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 1868 transitions. [2024-11-27 23:30:16,456 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 1868 transitions. Word has length 232 [2024-11-27 23:30:16,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:16,456 INFO L471 AbstractCegarLoop]: Abstraction has 1393 states and 1868 transitions. [2024-11-27 23:30:16,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 23.88888888888889) internal successors, (215), 10 states have internal predecessors, (215), 5 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) [2024-11-27 23:30:16,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1868 transitions. [2024-11-27 23:30:16,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-11-27 23:30:16,458 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:16,458 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:16,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (95)] Ended with exit code 0 [2024-11-27 23:30:16,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 95 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable98 [2024-11-27 23:30:16,659 INFO L396 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:30:16,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:16,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1901803882, now seen corresponding path program 1 times [2024-11-27 23:30:16,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:16,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522080787] [2024-11-27 23:30:16,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:16,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:30:16,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [889636516] [2024-11-27 23:30:16,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:16,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:16,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:16,687 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:30:16,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (96)] Waiting until timeout for monitored process [2024-11-27 23:30:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:16,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 23:30:16,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:17,657 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 41 proven. 92 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-27 23:30:17,657 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:21,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:21,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522080787] [2024-11-27 23:30:21,877 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:30:21,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889636516] [2024-11-27 23:30:21,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889636516] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:21,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:30:21,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-27 23:30:21,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834850319] [2024-11-27 23:30:21,878 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:30:21,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 23:30:21,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:21,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 23:30:21,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:30:21,879 INFO L87 Difference]: Start difference. First operand 1393 states and 1868 transitions. Second operand has 9 states, 8 states have (on average 18.625) internal successors, (149), 9 states have internal predecessors, (149), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-27 23:30:23,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:23,120 INFO L93 Difference]: Finished difference Result 1413 states and 1868 transitions. [2024-11-27 23:30:23,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 23:30:23,120 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 18.625) internal successors, (149), 9 states have internal predecessors, (149), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) Word has length 233 [2024-11-27 23:30:23,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:23,122 INFO L225 Difference]: With dead ends: 1413 [2024-11-27 23:30:23,122 INFO L226 Difference]: Without dead ends: 1412 [2024-11-27 23:30:23,123 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2024-11-27 23:30:23,123 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 161 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 846 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:23,123 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 675 Invalid, 859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 846 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 23:30:23,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1412 states. [2024-11-27 23:30:23,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1412 to 1393. [2024-11-27 23:30:23,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1393 states, 1224 states have (on average 1.3406862745098038) internal successors, (1641), 1277 states have internal predecessors, (1641), 113 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-27 23:30:23,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 1867 transitions. [2024-11-27 23:30:23,286 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 1867 transitions. Word has length 233 [2024-11-27 23:30:23,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:23,286 INFO L471 AbstractCegarLoop]: Abstraction has 1393 states and 1867 transitions. [2024-11-27 23:30:23,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 18.625) internal successors, (149), 9 states have internal predecessors, (149), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-27 23:30:23,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1867 transitions. [2024-11-27 23:30:23,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2024-11-27 23:30:23,288 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:23,288 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:23,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (96)] Ended with exit code 0 [2024-11-27 23:30:23,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 96 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable99 [2024-11-27 23:30:23,488 INFO L396 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:30:23,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:23,489 INFO L85 PathProgramCache]: Analyzing trace with hash -2022535482, now seen corresponding path program 3 times [2024-11-27 23:30:23,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:23,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165331538] [2024-11-27 23:30:23,489 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:30:23,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:23,511 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-27 23:30:23,511 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:30:23,626 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 84 proven. 51 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-27 23:30:23,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:23,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165331538] [2024-11-27 23:30:23,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165331538] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:23,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085391260] [2024-11-27 23:30:23,627 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:30:23,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:23,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:23,628 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:30:23,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (97)] Waiting until timeout for monitored process [2024-11-27 23:30:23,721 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-27 23:30:23,721 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:30:23,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 23:30:23,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:23,886 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 84 proven. 51 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-27 23:30:23,887 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:24,102 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 84 proven. 51 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-27 23:30:24,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085391260] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:30:24,102 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:30:24,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 9 [2024-11-27 23:30:24,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795134655] [2024-11-27 23:30:24,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:30:24,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 23:30:24,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:24,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 23:30:24,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:30:24,104 INFO L87 Difference]: Start difference. First operand 1393 states and 1867 transitions. Second operand has 9 states, 9 states have (on average 22.333333333333332) internal successors, (201), 9 states have internal predecessors, (201), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-27 23:30:24,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:24,883 INFO L93 Difference]: Finished difference Result 2343 states and 3260 transitions. [2024-11-27 23:30:24,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 23:30:24,883 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 22.333333333333332) internal successors, (201), 9 states have internal predecessors, (201), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 235 [2024-11-27 23:30:24,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:24,886 INFO L225 Difference]: With dead ends: 2343 [2024-11-27 23:30:24,886 INFO L226 Difference]: Without dead ends: 2314 [2024-11-27 23:30:24,886 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 468 SyntacticMatches, 6 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2024-11-27 23:30:24,887 INFO L435 NwaCegarLoop]: 237 mSDtfsCounter, 805 mSDsluCounter, 1012 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 1249 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:24,887 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [809 Valid, 1249 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:30:24,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2314 states. [2024-11-27 23:30:25,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2314 to 1605. [2024-11-27 23:30:25,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1605 states, 1420 states have (on average 1.3852112676056338) internal successors, (1967), 1473 states have internal predecessors, (1967), 129 states have call successors, (129), 2 states have call predecessors, (129), 2 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-11-27 23:30:25,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1605 states and 2225 transitions. [2024-11-27 23:30:25,056 INFO L78 Accepts]: Start accepts. Automaton has 1605 states and 2225 transitions. Word has length 235 [2024-11-27 23:30:25,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:25,056 INFO L471 AbstractCegarLoop]: Abstraction has 1605 states and 2225 transitions. [2024-11-27 23:30:25,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 22.333333333333332) internal successors, (201), 9 states have internal predecessors, (201), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-27 23:30:25,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 2225 transitions. [2024-11-27 23:30:25,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-11-27 23:30:25,057 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:25,057 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:25,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (97)] Ended with exit code 0 [2024-11-27 23:30:25,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 97 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2024-11-27 23:30:25,258 INFO L396 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:30:25,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:25,258 INFO L85 PathProgramCache]: Analyzing trace with hash -56329316, now seen corresponding path program 1 times [2024-11-27 23:30:25,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:25,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058638551] [2024-11-27 23:30:25,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:25,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:30:25,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [683093994] [2024-11-27 23:30:25,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:25,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:25,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:25,280 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:30:25,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (98)] Waiting until timeout for monitored process [2024-11-27 23:30:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:25,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-27 23:30:25,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:27,160 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 3 proven. 165 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2024-11-27 23:30:27,161 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:27,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:27,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058638551] [2024-11-27 23:30:27,296 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:30:27,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683093994] [2024-11-27 23:30:27,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683093994] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:27,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:30:27,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2024-11-27 23:30:27,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320039843] [2024-11-27 23:30:27,296 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:30:27,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-27 23:30:27,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:27,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-27 23:30:27,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:30:27,297 INFO L87 Difference]: Start difference. First operand 1605 states and 2225 transitions. Second operand has 15 states, 14 states have (on average 11.285714285714286) internal successors, (158), 14 states have internal predecessors, (158), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) [2024-11-27 23:30:29,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:29,703 INFO L93 Difference]: Finished difference Result 1768 states and 2474 transitions. [2024-11-27 23:30:29,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 23:30:29,703 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 11.285714285714286) internal successors, (158), 14 states have internal predecessors, (158), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) Word has length 244 [2024-11-27 23:30:29,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:29,705 INFO L225 Difference]: With dead ends: 1768 [2024-11-27 23:30:29,705 INFO L226 Difference]: Without dead ends: 1767 [2024-11-27 23:30:29,706 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2024-11-27 23:30:29,706 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 336 mSDsluCounter, 1165 mSDsCounter, 0 mSdLazyCounter, 2345 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 1313 SdHoareTripleChecker+Invalid, 2353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:29,706 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 1313 Invalid, 2353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 2345 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-27 23:30:29,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1767 states. [2024-11-27 23:30:29,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1767 to 1736. [2024-11-27 23:30:29,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1736 states, 1539 states have (on average 1.4119558154645875) internal successors, (2173), 1592 states have internal predecessors, (2173), 141 states have call successors, (141), 2 states have call predecessors, (141), 2 states have return successors, (141), 141 states have call predecessors, (141), 141 states have call successors, (141) [2024-11-27 23:30:29,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1736 states and 2455 transitions. [2024-11-27 23:30:29,903 INFO L78 Accepts]: Start accepts. Automaton has 1736 states and 2455 transitions. Word has length 244 [2024-11-27 23:30:29,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:29,904 INFO L471 AbstractCegarLoop]: Abstraction has 1736 states and 2455 transitions. [2024-11-27 23:30:29,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 11.285714285714286) internal successors, (158), 14 states have internal predecessors, (158), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) [2024-11-27 23:30:29,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2455 transitions. [2024-11-27 23:30:29,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2024-11-27 23:30:29,905 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:29,905 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:29,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (98)] Ended with exit code 0 [2024-11-27 23:30:30,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 98 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable101 [2024-11-27 23:30:30,105 INFO L396 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:30:30,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:30,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1746208714, now seen corresponding path program 1 times [2024-11-27 23:30:30,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:30,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080852793] [2024-11-27 23:30:30,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:30,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:30:30,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [902284643] [2024-11-27 23:30:30,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:30,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:30,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:30,125 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:30:30,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (99)] Waiting until timeout for monitored process [2024-11-27 23:30:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:30,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-27 23:30:30,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:32,047 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 3 proven. 168 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2024-11-27 23:30:32,047 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:32,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:32,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080852793] [2024-11-27 23:30:32,334 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:30:32,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902284643] [2024-11-27 23:30:32,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902284643] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:32,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:30:32,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2024-11-27 23:30:32,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824569881] [2024-11-27 23:30:32,334 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:30:32,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-27 23:30:32,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:32,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-27 23:30:32,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:30:32,335 INFO L87 Difference]: Start difference. First operand 1736 states and 2455 transitions. Second operand has 15 states, 14 states have (on average 11.357142857142858) internal successors, (159), 14 states have internal predecessors, (159), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) [2024-11-27 23:30:34,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:34,311 INFO L93 Difference]: Finished difference Result 1768 states and 2471 transitions. [2024-11-27 23:30:34,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 23:30:34,312 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 11.357142857142858) internal successors, (159), 14 states have internal predecessors, (159), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) Word has length 245 [2024-11-27 23:30:34,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:34,314 INFO L225 Difference]: With dead ends: 1768 [2024-11-27 23:30:34,314 INFO L226 Difference]: Without dead ends: 1767 [2024-11-27 23:30:34,314 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2024-11-27 23:30:34,315 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 339 mSDsluCounter, 1003 mSDsCounter, 0 mSdLazyCounter, 1975 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 1151 SdHoareTripleChecker+Invalid, 1983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:34,315 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 1151 Invalid, 1983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1975 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-27 23:30:34,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1767 states. [2024-11-27 23:30:34,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1767 to 1736. [2024-11-27 23:30:34,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1736 states, 1539 states have (on average 1.410006497725796) internal successors, (2170), 1592 states have internal predecessors, (2170), 141 states have call successors, (141), 2 states have call predecessors, (141), 2 states have return successors, (141), 141 states have call predecessors, (141), 141 states have call successors, (141) [2024-11-27 23:30:34,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1736 states and 2452 transitions. [2024-11-27 23:30:34,497 INFO L78 Accepts]: Start accepts. Automaton has 1736 states and 2452 transitions. Word has length 245 [2024-11-27 23:30:34,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:34,497 INFO L471 AbstractCegarLoop]: Abstraction has 1736 states and 2452 transitions. [2024-11-27 23:30:34,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 11.357142857142858) internal successors, (159), 14 states have internal predecessors, (159), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) [2024-11-27 23:30:34,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2452 transitions. [2024-11-27 23:30:34,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2024-11-27 23:30:34,498 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:34,498 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:34,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (99)] Ended with exit code 0 [2024-11-27 23:30:34,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 99 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable102 [2024-11-27 23:30:34,699 INFO L396 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:30:34,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:34,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1702104798, now seen corresponding path program 1 times [2024-11-27 23:30:34,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:34,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118313968] [2024-11-27 23:30:34,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:34,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:30:34,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [862429544] [2024-11-27 23:30:34,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:34,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:34,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:34,720 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:30:34,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (100)] Waiting until timeout for monitored process [2024-11-27 23:30:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:34,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-27 23:30:34,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:36,212 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 3 proven. 171 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2024-11-27 23:30:36,212 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:36,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:36,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118313968] [2024-11-27 23:30:36,364 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:30:36,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862429544] [2024-11-27 23:30:36,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862429544] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:36,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:30:36,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-27 23:30:36,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751349583] [2024-11-27 23:30:36,364 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:30:36,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 23:30:36,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:36,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 23:30:36,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2024-11-27 23:30:36,365 INFO L87 Difference]: Start difference. First operand 1736 states and 2452 transitions. Second operand has 14 states, 13 states have (on average 12.307692307692308) internal successors, (160), 13 states have internal predecessors, (160), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) [2024-11-27 23:30:38,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:38,652 INFO L93 Difference]: Finished difference Result 1755 states and 2454 transitions. [2024-11-27 23:30:38,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 23:30:38,653 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.307692307692308) internal successors, (160), 13 states have internal predecessors, (160), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) Word has length 246 [2024-11-27 23:30:38,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:38,655 INFO L225 Difference]: With dead ends: 1755 [2024-11-27 23:30:38,655 INFO L226 Difference]: Without dead ends: 1754 [2024-11-27 23:30:38,656 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=102, Invalid=600, Unknown=0, NotChecked=0, Total=702 [2024-11-27 23:30:38,656 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 550 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 2448 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 2487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 2448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:38,656 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 834 Invalid, 2487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 2448 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-27 23:30:38,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1754 states. [2024-11-27 23:30:38,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1754 to 1736. [2024-11-27 23:30:38,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1736 states, 1539 states have (on average 1.4080571799870045) internal successors, (2167), 1592 states have internal predecessors, (2167), 141 states have call successors, (141), 2 states have call predecessors, (141), 2 states have return successors, (141), 141 states have call predecessors, (141), 141 states have call successors, (141) [2024-11-27 23:30:38,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1736 states and 2449 transitions. [2024-11-27 23:30:38,911 INFO L78 Accepts]: Start accepts. Automaton has 1736 states and 2449 transitions. Word has length 246 [2024-11-27 23:30:38,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:38,911 INFO L471 AbstractCegarLoop]: Abstraction has 1736 states and 2449 transitions. [2024-11-27 23:30:38,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.307692307692308) internal successors, (160), 13 states have internal predecessors, (160), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) [2024-11-27 23:30:38,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2449 transitions. [2024-11-27 23:30:38,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-11-27 23:30:38,913 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:38,913 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:38,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (100)] Ended with exit code 0 [2024-11-27 23:30:39,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103,100 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:39,114 INFO L396 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:30:39,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:39,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1225641272, now seen corresponding path program 1 times [2024-11-27 23:30:39,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:39,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663408183] [2024-11-27 23:30:39,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:39,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:30:39,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [909822189] [2024-11-27 23:30:39,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:39,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:39,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:39,141 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:30:39,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (101)] Waiting until timeout for monitored process [2024-11-27 23:30:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:39,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-27 23:30:39,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:40,487 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 3 proven. 174 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2024-11-27 23:30:40,487 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:40,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:40,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663408183] [2024-11-27 23:30:40,799 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:30:40,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909822189] [2024-11-27 23:30:40,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [909822189] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:40,799 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:30:40,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-27 23:30:40,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413691324] [2024-11-27 23:30:40,799 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:30:40,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 23:30:40,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:40,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 23:30:40,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2024-11-27 23:30:40,800 INFO L87 Difference]: Start difference. First operand 1736 states and 2449 transitions. Second operand has 14 states, 13 states have (on average 12.384615384615385) internal successors, (161), 13 states have internal predecessors, (161), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) [2024-11-27 23:30:43,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:43,231 INFO L93 Difference]: Finished difference Result 1755 states and 2451 transitions. [2024-11-27 23:30:43,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 23:30:43,231 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.384615384615385) internal successors, (161), 13 states have internal predecessors, (161), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) Word has length 247 [2024-11-27 23:30:43,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:43,235 INFO L225 Difference]: With dead ends: 1755 [2024-11-27 23:30:43,235 INFO L226 Difference]: Without dead ends: 1754 [2024-11-27 23:30:43,236 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=105, Invalid=597, Unknown=0, NotChecked=0, Total=702 [2024-11-27 23:30:43,236 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 516 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 2506 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 2543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:43,236 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 872 Invalid, 2543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2506 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-27 23:30:43,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1754 states. [2024-11-27 23:30:43,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1754 to 1736. [2024-11-27 23:30:43,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1736 states, 1539 states have (on average 1.406107862248213) internal successors, (2164), 1592 states have internal predecessors, (2164), 141 states have call successors, (141), 2 states have call predecessors, (141), 2 states have return successors, (141), 141 states have call predecessors, (141), 141 states have call successors, (141) [2024-11-27 23:30:43,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1736 states and 2446 transitions. [2024-11-27 23:30:43,572 INFO L78 Accepts]: Start accepts. Automaton has 1736 states and 2446 transitions. Word has length 247 [2024-11-27 23:30:43,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:43,572 INFO L471 AbstractCegarLoop]: Abstraction has 1736 states and 2446 transitions. [2024-11-27 23:30:43,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.384615384615385) internal successors, (161), 13 states have internal predecessors, (161), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) [2024-11-27 23:30:43,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2446 transitions. [2024-11-27 23:30:43,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-11-27 23:30:43,574 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:43,574 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:43,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (101)] Forceful destruction successful, exit code 0 [2024-11-27 23:30:43,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104,101 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:43,775 INFO L396 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:30:43,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:43,775 INFO L85 PathProgramCache]: Analyzing trace with hash -659826144, now seen corresponding path program 1 times [2024-11-27 23:30:43,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:43,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684002441] [2024-11-27 23:30:43,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:43,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:30:43,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1805285074] [2024-11-27 23:30:43,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:43,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:43,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:43,795 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:30:43,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (102)] Waiting until timeout for monitored process [2024-11-27 23:30:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:43,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 23:30:43,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:44,207 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2024-11-27 23:30:44,207 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:52,694 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2024-11-27 23:30:52,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:52,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684002441] [2024-11-27 23:30:52,694 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:30:52,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805285074] [2024-11-27 23:30:52,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805285074] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:30:52,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:30:52,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2024-11-27 23:30:52,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327063282] [2024-11-27 23:30:52,695 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:30:52,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:30:52,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:52,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:30:52,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=38, Unknown=2, NotChecked=0, Total=56 [2024-11-27 23:30:52,696 INFO L87 Difference]: Start difference. First operand 1736 states and 2446 transitions. Second operand has 8 states, 7 states have (on average 18.0) internal successors, (126), 8 states have internal predecessors, (126), 4 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-27 23:30:54,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:54,046 INFO L93 Difference]: Finished difference Result 1822 states and 2471 transitions. [2024-11-27 23:30:54,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:30:54,046 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 18.0) internal successors, (126), 8 states have internal predecessors, (126), 4 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 248 [2024-11-27 23:30:54,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:54,050 INFO L225 Difference]: With dead ends: 1822 [2024-11-27 23:30:54,050 INFO L226 Difference]: Without dead ends: 1815 [2024-11-27 23:30:54,051 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 486 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=26, Invalid=62, Unknown=2, NotChecked=0, Total=90 [2024-11-27 23:30:54,051 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 175 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:54,051 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 740 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-27 23:30:54,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1815 states. [2024-11-27 23:30:54,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1815 to 1748. [2024-11-27 23:30:54,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1748 states, 1550 states have (on average 1.3993548387096775) internal successors, (2169), 1603 states have internal predecessors, (2169), 142 states have call successors, (142), 2 states have call predecessors, (142), 2 states have return successors, (142), 142 states have call predecessors, (142), 142 states have call successors, (142) [2024-11-27 23:30:54,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1748 states to 1748 states and 2453 transitions. [2024-11-27 23:30:54,288 INFO L78 Accepts]: Start accepts. Automaton has 1748 states and 2453 transitions. Word has length 248 [2024-11-27 23:30:54,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:54,288 INFO L471 AbstractCegarLoop]: Abstraction has 1748 states and 2453 transitions. [2024-11-27 23:30:54,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 18.0) internal successors, (126), 8 states have internal predecessors, (126), 4 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-27 23:30:54,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 2453 transitions. [2024-11-27 23:30:54,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2024-11-27 23:30:54,290 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:54,290 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:54,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (102)] Forceful destruction successful, exit code 0 [2024-11-27 23:30:54,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 102 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable105 [2024-11-27 23:30:54,491 INFO L396 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:30:54,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:54,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1020226106, now seen corresponding path program 1 times [2024-11-27 23:30:54,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:54,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769488600] [2024-11-27 23:30:54,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:54,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:30:54,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1199202345] [2024-11-27 23:30:54,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:54,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:30:54,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:30:54,519 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:30:54,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (103)] Waiting until timeout for monitored process [2024-11-27 23:30:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:54,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 23:30:54,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:55,140 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2024-11-27 23:30:55,141 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:31:03,823 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2024-11-27 23:31:03,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:31:03,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769488600] [2024-11-27 23:31:03,824 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:31:03,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199202345] [2024-11-27 23:31:03,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199202345] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:31:03,824 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:31:03,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2024-11-27 23:31:03,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77047069] [2024-11-27 23:31:03,824 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:31:03,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:31:03,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:31:03,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:31:03,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=38, Unknown=2, NotChecked=0, Total=56 [2024-11-27 23:31:03,825 INFO L87 Difference]: Start difference. First operand 1748 states and 2453 transitions. Second operand has 8 states, 7 states have (on average 18.142857142857142) internal successors, (127), 8 states have internal predecessors, (127), 4 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-27 23:31:05,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:31:05,230 INFO L93 Difference]: Finished difference Result 1817 states and 2454 transitions. [2024-11-27 23:31:05,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:31:05,231 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 18.142857142857142) internal successors, (127), 8 states have internal predecessors, (127), 4 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 249 [2024-11-27 23:31:05,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:31:05,233 INFO L225 Difference]: With dead ends: 1817 [2024-11-27 23:31:05,233 INFO L226 Difference]: Without dead ends: 1810 [2024-11-27 23:31:05,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 488 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=26, Invalid=62, Unknown=2, NotChecked=0, Total=90 [2024-11-27 23:31:05,234 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 289 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:31:05,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 596 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-27 23:31:05,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1810 states. [2024-11-27 23:31:05,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1810 to 1623. [2024-11-27 23:31:05,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1623 states, 1436 states have (on average 1.3746518105849581) internal successors, (1974), 1489 states have internal predecessors, (1974), 131 states have call successors, (131), 2 states have call predecessors, (131), 2 states have return successors, (131), 131 states have call predecessors, (131), 131 states have call successors, (131) [2024-11-27 23:31:05,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1623 states to 1623 states and 2236 transitions. [2024-11-27 23:31:05,481 INFO L78 Accepts]: Start accepts. Automaton has 1623 states and 2236 transitions. Word has length 249 [2024-11-27 23:31:05,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:31:05,481 INFO L471 AbstractCegarLoop]: Abstraction has 1623 states and 2236 transitions. [2024-11-27 23:31:05,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 18.142857142857142) internal successors, (127), 8 states have internal predecessors, (127), 4 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-27 23:31:05,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1623 states and 2236 transitions. [2024-11-27 23:31:05,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-11-27 23:31:05,482 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:31:05,482 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:31:05,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (103)] Ended with exit code 0 [2024-11-27 23:31:05,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106,103 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:31:05,683 INFO L396 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:31:05,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:05,683 INFO L85 PathProgramCache]: Analyzing trace with hash 647056584, now seen corresponding path program 1 times [2024-11-27 23:31:05,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:31:05,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738275770] [2024-11-27 23:31:05,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:05,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:31:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:31:05,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [528764901] [2024-11-27 23:31:05,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:05,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:31:05,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:31:05,705 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:31:05,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (104)] Waiting until timeout for monitored process [2024-11-27 23:31:05,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:05,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-27 23:31:05,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:31:08,211 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 3 proven. 186 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2024-11-27 23:31:08,211 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:31:09,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:31:09,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738275770] [2024-11-27 23:31:09,610 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:31:09,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528764901] [2024-11-27 23:31:09,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [528764901] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:31:09,611 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:31:09,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-27 23:31:09,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635705100] [2024-11-27 23:31:09,611 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:31:09,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-27 23:31:09,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:31:09,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-27 23:31:09,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=557, Unknown=0, NotChecked=0, Total=650 [2024-11-27 23:31:09,612 INFO L87 Difference]: Start difference. First operand 1623 states and 2236 transitions. Second operand has 16 states, 15 states have (on average 10.933333333333334) internal successors, (164), 15 states have internal predecessors, (164), 7 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-27 23:31:13,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:31:13,079 INFO L93 Difference]: Finished difference Result 1771 states and 2457 transitions. [2024-11-27 23:31:13,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 23:31:13,080 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 10.933333333333334) internal successors, (164), 15 states have internal predecessors, (164), 7 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 255 [2024-11-27 23:31:13,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:31:13,082 INFO L225 Difference]: With dead ends: 1771 [2024-11-27 23:31:13,083 INFO L226 Difference]: Without dead ends: 1767 [2024-11-27 23:31:13,083 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=194, Invalid=1138, Unknown=0, NotChecked=0, Total=1332 [2024-11-27 23:31:13,084 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 513 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 3381 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 875 SdHoareTripleChecker+Invalid, 3420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 3381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:31:13,084 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 875 Invalid, 3420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 3381 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-27 23:31:13,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1767 states. [2024-11-27 23:31:13,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1767 to 1745. [2024-11-27 23:31:13,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1745 states, 1547 states have (on average 1.3865546218487395) internal successors, (2145), 1600 states have internal predecessors, (2145), 142 states have call successors, (142), 2 states have call predecessors, (142), 2 states have return successors, (142), 142 states have call predecessors, (142), 142 states have call successors, (142) [2024-11-27 23:31:13,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1745 states and 2429 transitions. [2024-11-27 23:31:13,390 INFO L78 Accepts]: Start accepts. Automaton has 1745 states and 2429 transitions. Word has length 255 [2024-11-27 23:31:13,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:31:13,390 INFO L471 AbstractCegarLoop]: Abstraction has 1745 states and 2429 transitions. [2024-11-27 23:31:13,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 10.933333333333334) internal successors, (164), 15 states have internal predecessors, (164), 7 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-27 23:31:13,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2429 transitions. [2024-11-27 23:31:13,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-11-27 23:31:13,391 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:31:13,391 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:31:13,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (104)] Forceful destruction successful, exit code 0 [2024-11-27 23:31:13,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107,104 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:31:13,592 INFO L396 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:31:13,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:13,592 INFO L85 PathProgramCache]: Analyzing trace with hash -948877654, now seen corresponding path program 1 times [2024-11-27 23:31:13,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:31:13,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110271434] [2024-11-27 23:31:13,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:13,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:31:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:31:13,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [375573395] [2024-11-27 23:31:13,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:13,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:31:13,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:31:13,618 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:31:13,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (105)] Waiting until timeout for monitored process [2024-11-27 23:31:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:13,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-27 23:31:13,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:31:16,735 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 3 proven. 192 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2024-11-27 23:31:16,735 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:31:18,370 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-27 23:31:18,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:31:18,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110271434] [2024-11-27 23:31:18,370 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:31:18,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375573395] [2024-11-27 23:31:18,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375573395] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:31:18,371 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:31:18,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13] total 28 [2024-11-27 23:31:18,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734204525] [2024-11-27 23:31:18,371 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:31:18,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-27 23:31:18,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:31:18,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-27 23:31:18,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=641, Unknown=0, NotChecked=0, Total=812 [2024-11-27 23:31:18,372 INFO L87 Difference]: Start difference. First operand 1745 states and 2429 transitions. Second operand has 29 states, 28 states have (on average 11.428571428571429) internal successors, (320), 28 states have internal predecessors, (320), 12 states have call successors, (38), 1 states have call predecessors, (38), 2 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-27 23:31:41,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:31:41,082 INFO L93 Difference]: Finished difference Result 2023 states and 2820 transitions. [2024-11-27 23:31:41,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-27 23:31:41,083 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 11.428571428571429) internal successors, (320), 28 states have internal predecessors, (320), 12 states have call successors, (38), 1 states have call predecessors, (38), 2 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 257 [2024-11-27 23:31:41,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:31:41,085 INFO L225 Difference]: With dead ends: 2023 [2024-11-27 23:31:41,085 INFO L226 Difference]: Without dead ends: 2017 [2024-11-27 23:31:41,086 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 556 GetRequests, 485 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1408 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=1100, Invalid=4156, Unknown=0, NotChecked=0, Total=5256 [2024-11-27 23:31:41,086 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 1872 mSDsluCounter, 1586 mSDsCounter, 0 mSdLazyCounter, 5107 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1878 SdHoareTripleChecker+Valid, 1711 SdHoareTripleChecker+Invalid, 5320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 5107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:31:41,087 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1878 Valid, 1711 Invalid, 5320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 5107 Invalid, 0 Unknown, 0 Unchecked, 18.1s Time] [2024-11-27 23:31:41,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2017 states. [2024-11-27 23:31:41,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2017 to 1920. [2024-11-27 23:31:41,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1920 states, 1707 states have (on average 1.3919156414762741) internal successors, (2376), 1759 states have internal predecessors, (2376), 158 states have call successors, (158), 2 states have call predecessors, (158), 2 states have return successors, (158), 158 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-27 23:31:41,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1920 states and 2692 transitions. [2024-11-27 23:31:41,418 INFO L78 Accepts]: Start accepts. Automaton has 1920 states and 2692 transitions. Word has length 257 [2024-11-27 23:31:41,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:31:41,418 INFO L471 AbstractCegarLoop]: Abstraction has 1920 states and 2692 transitions. [2024-11-27 23:31:41,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 11.428571428571429) internal successors, (320), 28 states have internal predecessors, (320), 12 states have call successors, (38), 1 states have call predecessors, (38), 2 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-27 23:31:41,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2692 transitions. [2024-11-27 23:31:41,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2024-11-27 23:31:41,419 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:31:41,419 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:31:41,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (105)] Forceful destruction successful, exit code 0 [2024-11-27 23:31:41,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108,105 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:31:41,620 INFO L396 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:31:41,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:41,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1338355572, now seen corresponding path program 2 times [2024-11-27 23:31:41,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:31:41,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929056295] [2024-11-27 23:31:41,620 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:31:41,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:31:41,647 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:31:41,647 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 23:31:41,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1563594925] [2024-11-27 23:31:41,649 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:31:41,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:31:41,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:31:41,653 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:31:41,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (106)] Waiting until timeout for monitored process [2024-11-27 23:31:41,798 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:31:41,798 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:31:41,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-27 23:31:41,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:31:44,795 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 3 proven. 198 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2024-11-27 23:31:44,795 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:31:44,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:31:44,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929056295] [2024-11-27 23:31:44,915 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:31:44,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563594925] [2024-11-27 23:31:44,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563594925] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:31:44,915 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:31:44,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2024-11-27 23:31:44,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462988418] [2024-11-27 23:31:44,915 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:31:44,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-27 23:31:44,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:31:44,916 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-27 23:31:44,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2024-11-27 23:31:44,916 INFO L87 Difference]: Start difference. First operand 1920 states and 2692 transitions. Second operand has 18 states, 17 states have (on average 9.882352941176471) internal successors, (168), 17 states have internal predecessors, (168), 7 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-27 23:31:47,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:31:47,857 INFO L93 Difference]: Finished difference Result 1930 states and 2692 transitions. [2024-11-27 23:31:47,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 23:31:47,857 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 9.882352941176471) internal successors, (168), 17 states have internal predecessors, (168), 7 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 259 [2024-11-27 23:31:47,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:31:47,861 INFO L225 Difference]: With dead ends: 1930 [2024-11-27 23:31:47,861 INFO L226 Difference]: Without dead ends: 1929 [2024-11-27 23:31:47,862 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=96, Invalid=456, Unknown=0, NotChecked=0, Total=552 [2024-11-27 23:31:47,863 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 369 mSDsluCounter, 833 mSDsCounter, 0 mSdLazyCounter, 3070 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 952 SdHoareTripleChecker+Invalid, 3080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 3070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:31:47,863 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 952 Invalid, 3080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 3070 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-27 23:31:47,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1929 states. [2024-11-27 23:31:48,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1929 to 1920. [2024-11-27 23:31:48,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1920 states, 1707 states have (on average 1.3913298183948448) internal successors, (2375), 1759 states have internal predecessors, (2375), 158 states have call successors, (158), 2 states have call predecessors, (158), 2 states have return successors, (158), 158 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-27 23:31:48,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1920 states and 2691 transitions. [2024-11-27 23:31:48,344 INFO L78 Accepts]: Start accepts. Automaton has 1920 states and 2691 transitions. Word has length 259 [2024-11-27 23:31:48,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:31:48,345 INFO L471 AbstractCegarLoop]: Abstraction has 1920 states and 2691 transitions. [2024-11-27 23:31:48,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 9.882352941176471) internal successors, (168), 17 states have internal predecessors, (168), 7 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-27 23:31:48,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2691 transitions. [2024-11-27 23:31:48,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-11-27 23:31:48,347 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:31:48,347 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:31:48,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (106)] Forceful destruction successful, exit code 0 [2024-11-27 23:31:48,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109,106 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:31:48,548 INFO L396 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:31:48,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:48,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1460650331, now seen corresponding path program 2 times [2024-11-27 23:31:48,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:31:48,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228079955] [2024-11-27 23:31:48,548 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:31:48,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:31:48,572 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:31:48,572 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 23:31:48,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [457840342] [2024-11-27 23:31:48,574 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:31:48,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:31:48,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:31:48,578 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:31:48,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (107)] Waiting until timeout for monitored process [2024-11-27 23:31:48,721 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:31:48,721 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:31:48,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-27 23:31:48,725 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:31:50,605 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-27 23:31:50,605 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:31:50,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:31:50,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228079955] [2024-11-27 23:31:50,799 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:31:50,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457840342] [2024-11-27 23:31:50,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457840342] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:31:50,799 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:31:50,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-27 23:31:50,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165001754] [2024-11-27 23:31:50,799 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:31:50,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 23:31:50,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:31:50,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 23:31:50,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-11-27 23:31:50,800 INFO L87 Difference]: Start difference. First operand 1920 states and 2691 transitions. Second operand has 14 states, 13 states have (on average 12.76923076923077) internal successors, (166), 14 states have internal predecessors, (166), 6 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) [2024-11-27 23:31:53,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:31:53,615 INFO L93 Difference]: Finished difference Result 1929 states and 2691 transitions. [2024-11-27 23:31:53,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 23:31:53,616 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.76923076923077) internal successors, (166), 14 states have internal predecessors, (166), 6 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) Word has length 260 [2024-11-27 23:31:53,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:31:53,618 INFO L225 Difference]: With dead ends: 1929 [2024-11-27 23:31:53,618 INFO L226 Difference]: Without dead ends: 1928 [2024-11-27 23:31:53,619 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2024-11-27 23:31:53,619 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 297 mSDsluCounter, 995 mSDsCounter, 0 mSdLazyCounter, 2608 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 1163 SdHoareTripleChecker+Invalid, 2622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:31:53,619 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 1163 Invalid, 2622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 2608 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-27 23:31:53,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1928 states. [2024-11-27 23:31:53,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1928 to 1920. [2024-11-27 23:31:53,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1920 states, 1707 states have (on average 1.3907439953134153) internal successors, (2374), 1759 states have internal predecessors, (2374), 158 states have call successors, (158), 2 states have call predecessors, (158), 2 states have return successors, (158), 158 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-27 23:31:53,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1920 states and 2690 transitions. [2024-11-27 23:31:53,901 INFO L78 Accepts]: Start accepts. Automaton has 1920 states and 2690 transitions. Word has length 260 [2024-11-27 23:31:53,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:31:53,902 INFO L471 AbstractCegarLoop]: Abstraction has 1920 states and 2690 transitions. [2024-11-27 23:31:53,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.76923076923077) internal successors, (166), 14 states have internal predecessors, (166), 6 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) [2024-11-27 23:31:53,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2690 transitions. [2024-11-27 23:31:53,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-27 23:31:53,903 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:31:53,903 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:31:53,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (107)] Forceful destruction successful, exit code 0 [2024-11-27 23:31:54,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110,107 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:31:54,103 INFO L396 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:31:54,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:54,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1893409305, now seen corresponding path program 2 times [2024-11-27 23:31:54,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:31:54,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048599523] [2024-11-27 23:31:54,104 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:31:54,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:31:54,126 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:31:54,126 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 23:31:54,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [704909679] [2024-11-27 23:31:54,127 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:31:54,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:31:54,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:31:54,132 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:31:54,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (108)] Waiting until timeout for monitored process [2024-11-27 23:31:54,278 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:31:54,278 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:31:54,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-27 23:31:54,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:31:55,269 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 12 proven. 67 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2024-11-27 23:31:55,269 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:32:03,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:03,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048599523] [2024-11-27 23:32:03,656 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:32:03,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704909679] [2024-11-27 23:32:03,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704909679] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:03,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:32:03,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-27 23:32:03,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858746914] [2024-11-27 23:32:03,656 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:32:03,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:32:03,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:03,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:32:03,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=81, Unknown=2, NotChecked=0, Total=110 [2024-11-27 23:32:03,657 INFO L87 Difference]: Start difference. First operand 1920 states and 2690 transitions. Second operand has 8 states, 7 states have (on average 12.571428571428571) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-27 23:32:04,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:04,530 INFO L93 Difference]: Finished difference Result 1929 states and 2690 transitions. [2024-11-27 23:32:04,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 23:32:04,531 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.571428571428571) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) Word has length 261 [2024-11-27 23:32:04,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:04,533 INFO L225 Difference]: With dead ends: 1929 [2024-11-27 23:32:04,533 INFO L226 Difference]: Without dead ends: 1928 [2024-11-27 23:32:04,533 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=27, Invalid=81, Unknown=2, NotChecked=0, Total=110 [2024-11-27 23:32:04,534 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 44 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:32:04,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 677 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 23:32:04,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1928 states. [2024-11-27 23:32:04,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1928 to 1920. [2024-11-27 23:32:04,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1920 states, 1707 states have (on average 1.3872290568248389) internal successors, (2368), 1759 states have internal predecessors, (2368), 158 states have call successors, (158), 2 states have call predecessors, (158), 2 states have return successors, (158), 158 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-27 23:32:04,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1920 states and 2684 transitions. [2024-11-27 23:32:04,811 INFO L78 Accepts]: Start accepts. Automaton has 1920 states and 2684 transitions. Word has length 261 [2024-11-27 23:32:04,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:04,811 INFO L471 AbstractCegarLoop]: Abstraction has 1920 states and 2684 transitions. [2024-11-27 23:32:04,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.571428571428571) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-27 23:32:04,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2684 transitions. [2024-11-27 23:32:04,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-11-27 23:32:04,813 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:04,813 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:04,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (108)] Ended with exit code 0 [2024-11-27 23:32:05,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111,108 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:32:05,014 INFO L396 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:32:05,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:05,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1433853799, now seen corresponding path program 2 times [2024-11-27 23:32:05,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:05,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422757929] [2024-11-27 23:32:05,014 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:32:05,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:05,036 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:32:05,036 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 23:32:05,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [981648783] [2024-11-27 23:32:05,038 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:32:05,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:32:05,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:05,042 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:32:05,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (109)] Waiting until timeout for monitored process [2024-11-27 23:32:05,194 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:32:05,194 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:32:05,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-27 23:32:05,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:06,594 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 15 proven. 194 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-27 23:32:06,594 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:32:07,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:07,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422757929] [2024-11-27 23:32:07,477 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:32:07,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981648783] [2024-11-27 23:32:07,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981648783] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:07,477 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:32:07,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-27 23:32:07,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271721651] [2024-11-27 23:32:07,477 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:32:07,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 23:32:07,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:07,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 23:32:07,478 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:32:07,478 INFO L87 Difference]: Start difference. First operand 1920 states and 2684 transitions. Second operand has 11 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 6 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2024-11-27 23:32:08,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:08,985 INFO L93 Difference]: Finished difference Result 1943 states and 2709 transitions. [2024-11-27 23:32:08,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 23:32:08,985 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 6 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) Word has length 262 [2024-11-27 23:32:08,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:08,988 INFO L225 Difference]: With dead ends: 1943 [2024-11-27 23:32:08,989 INFO L226 Difference]: Without dead ends: 1942 [2024-11-27 23:32:08,989 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 470 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:32:08,990 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 159 mSDsluCounter, 903 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 1096 SdHoareTripleChecker+Invalid, 1261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:32:08,990 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 1096 Invalid, 1261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1257 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-27 23:32:08,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1942 states. [2024-11-27 23:32:09,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1942 to 1920. [2024-11-27 23:32:09,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1920 states, 1707 states have (on average 1.3854715875805508) internal successors, (2365), 1759 states have internal predecessors, (2365), 158 states have call successors, (158), 2 states have call predecessors, (158), 2 states have return successors, (158), 158 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-27 23:32:09,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1920 states and 2681 transitions. [2024-11-27 23:32:09,263 INFO L78 Accepts]: Start accepts. Automaton has 1920 states and 2681 transitions. Word has length 262 [2024-11-27 23:32:09,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:09,264 INFO L471 AbstractCegarLoop]: Abstraction has 1920 states and 2681 transitions. [2024-11-27 23:32:09,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 6 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2024-11-27 23:32:09,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2681 transitions. [2024-11-27 23:32:09,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-27 23:32:09,265 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:09,265 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:09,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (109)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:09,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 109 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable112 [2024-11-27 23:32:09,465 INFO L396 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:32:09,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:09,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1499794921, now seen corresponding path program 1 times [2024-11-27 23:32:09,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:09,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027997420] [2024-11-27 23:32:09,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:09,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:32:09,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1731020012] [2024-11-27 23:32:09,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:09,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:32:09,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:09,504 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:32:09,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (110)] Waiting until timeout for monitored process [2024-11-27 23:32:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:09,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-27 23:32:09,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:13,316 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 39 proven. 215 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2024-11-27 23:32:13,316 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:32:14,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:14,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027997420] [2024-11-27 23:32:14,431 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:32:14,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731020012] [2024-11-27 23:32:14,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731020012] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:14,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:32:14,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2024-11-27 23:32:14,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572829904] [2024-11-27 23:32:14,432 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:32:14,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-27 23:32:14,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:14,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-27 23:32:14,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2024-11-27 23:32:14,433 INFO L87 Difference]: Start difference. First operand 1920 states and 2681 transitions. Second operand has 18 states, 17 states have (on average 10.0) internal successors, (170), 16 states have internal predecessors, (170), 7 states have call successors, (21), 1 states have call predecessors, (21), 3 states have return successors, (21), 8 states have call predecessors, (21), 7 states have call successors, (21) [2024-11-27 23:32:19,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:19,371 INFO L93 Difference]: Finished difference Result 1943 states and 2706 transitions. [2024-11-27 23:32:19,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 23:32:19,371 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 10.0) internal successors, (170), 16 states have internal predecessors, (170), 7 states have call successors, (21), 1 states have call predecessors, (21), 3 states have return successors, (21), 8 states have call predecessors, (21), 7 states have call successors, (21) Word has length 263 [2024-11-27 23:32:19,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:19,375 INFO L225 Difference]: With dead ends: 1943 [2024-11-27 23:32:19,375 INFO L226 Difference]: Without dead ends: 1942 [2024-11-27 23:32:19,375 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=165, Invalid=1025, Unknown=0, NotChecked=0, Total=1190 [2024-11-27 23:32:19,376 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 302 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 3917 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 3934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 3917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:32:19,376 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 806 Invalid, 3934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 3917 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-27 23:32:19,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1942 states. [2024-11-27 23:32:19,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1942 to 1920. [2024-11-27 23:32:19,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1920 states, 1707 states have (on average 1.3837141183362625) internal successors, (2362), 1759 states have internal predecessors, (2362), 158 states have call successors, (158), 2 states have call predecessors, (158), 2 states have return successors, (158), 158 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-27 23:32:19,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1920 states and 2678 transitions. [2024-11-27 23:32:19,685 INFO L78 Accepts]: Start accepts. Automaton has 1920 states and 2678 transitions. Word has length 263 [2024-11-27 23:32:19,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:19,685 INFO L471 AbstractCegarLoop]: Abstraction has 1920 states and 2678 transitions. [2024-11-27 23:32:19,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 10.0) internal successors, (170), 16 states have internal predecessors, (170), 7 states have call successors, (21), 1 states have call predecessors, (21), 3 states have return successors, (21), 8 states have call predecessors, (21), 7 states have call successors, (21) [2024-11-27 23:32:19,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2678 transitions. [2024-11-27 23:32:19,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-27 23:32:19,687 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:19,687 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:19,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (110)] Ended with exit code 0 [2024-11-27 23:32:19,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 110 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable113 [2024-11-27 23:32:19,888 INFO L396 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:32:19,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:19,888 INFO L85 PathProgramCache]: Analyzing trace with hash -750997591, now seen corresponding path program 2 times [2024-11-27 23:32:19,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:19,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159361036] [2024-11-27 23:32:19,888 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:32:19,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:19,910 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:32:19,910 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 23:32:19,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [576231446] [2024-11-27 23:32:19,911 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:32:19,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:32:19,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:19,914 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:32:19,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (111)] Waiting until timeout for monitored process [2024-11-27 23:32:20,072 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:32:20,072 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:32:20,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-27 23:32:20,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:26,213 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 12 proven. 212 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2024-11-27 23:32:26,213 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:32:29,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:29,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159361036] [2024-11-27 23:32:29,815 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:32:29,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576231446] [2024-11-27 23:32:29,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576231446] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:29,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:32:29,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2024-11-27 23:32:29,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960903910] [2024-11-27 23:32:29,815 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:32:29,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-27 23:32:29,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:29,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-27 23:32:29,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=867, Unknown=0, NotChecked=0, Total=992 [2024-11-27 23:32:29,816 INFO L87 Difference]: Start difference. First operand 1920 states and 2678 transitions. Second operand has 19 states, 18 states have (on average 9.333333333333334) internal successors, (168), 18 states have internal predecessors, (168), 7 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) [2024-11-27 23:32:37,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:37,329 INFO L93 Difference]: Finished difference Result 1935 states and 2689 transitions. [2024-11-27 23:32:37,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 23:32:37,330 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 9.333333333333334) internal successors, (168), 18 states have internal predecessors, (168), 7 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) Word has length 264 [2024-11-27 23:32:37,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:37,333 INFO L225 Difference]: With dead ends: 1935 [2024-11-27 23:32:37,333 INFO L226 Difference]: Without dead ends: 1933 [2024-11-27 23:32:37,334 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 504 GetRequests, 460 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=287, Invalid=1783, Unknown=0, NotChecked=0, Total=2070 [2024-11-27 23:32:37,334 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 735 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 3817 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 3880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 3817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:32:37,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [740 Valid, 682 Invalid, 3880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 3817 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2024-11-27 23:32:37,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1933 states. [2024-11-27 23:32:37,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1933 to 1920. [2024-11-27 23:32:37,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1920 states, 1707 states have (on average 1.380199179847686) internal successors, (2356), 1759 states have internal predecessors, (2356), 158 states have call successors, (158), 2 states have call predecessors, (158), 2 states have return successors, (158), 158 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-27 23:32:37,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1920 states and 2672 transitions. [2024-11-27 23:32:37,632 INFO L78 Accepts]: Start accepts. Automaton has 1920 states and 2672 transitions. Word has length 264 [2024-11-27 23:32:37,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:37,633 INFO L471 AbstractCegarLoop]: Abstraction has 1920 states and 2672 transitions. [2024-11-27 23:32:37,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 9.333333333333334) internal successors, (168), 18 states have internal predecessors, (168), 7 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) [2024-11-27 23:32:37,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2672 transitions. [2024-11-27 23:32:37,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-11-27 23:32:37,634 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:37,634 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:37,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (111)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:37,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 111 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable114 [2024-11-27 23:32:37,835 INFO L396 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:32:37,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:37,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1806088725, now seen corresponding path program 2 times [2024-11-27 23:32:37,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:37,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277242039] [2024-11-27 23:32:37,835 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:32:37,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:37,859 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:32:37,859 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 23:32:37,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1705126409] [2024-11-27 23:32:37,860 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:32:37,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:32:37,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:37,865 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:32:37,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (112)] Waiting until timeout for monitored process [2024-11-27 23:32:38,006 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:32:38,006 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:32:38,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-27 23:32:38,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:42,604 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 45 proven. 215 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2024-11-27 23:32:42,604 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:32:43,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:43,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277242039] [2024-11-27 23:32:43,338 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:32:43,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705126409] [2024-11-27 23:32:43,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705126409] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:43,338 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:32:43,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2024-11-27 23:32:43,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656835832] [2024-11-27 23:32:43,339 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:32:43,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-27 23:32:43,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:43,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-27 23:32:43,340 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2024-11-27 23:32:43,340 INFO L87 Difference]: Start difference. First operand 1920 states and 2672 transitions. Second operand has 19 states, 18 states have (on average 9.555555555555555) internal successors, (172), 17 states have internal predecessors, (172), 7 states have call successors, (21), 1 states have call predecessors, (21), 3 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) [2024-11-27 23:32:48,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:48,060 INFO L93 Difference]: Finished difference Result 1936 states and 2685 transitions. [2024-11-27 23:32:48,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 23:32:48,061 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 9.555555555555555) internal successors, (172), 17 states have internal predecessors, (172), 7 states have call successors, (21), 1 states have call predecessors, (21), 3 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) Word has length 265 [2024-11-27 23:32:48,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:48,064 INFO L225 Difference]: With dead ends: 1936 [2024-11-27 23:32:48,064 INFO L226 Difference]: Without dead ends: 1935 [2024-11-27 23:32:48,065 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=138, Invalid=984, Unknown=0, NotChecked=0, Total=1122 [2024-11-27 23:32:48,065 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 204 mSDsluCounter, 887 mSDsCounter, 0 mSdLazyCounter, 4370 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 1009 SdHoareTripleChecker+Invalid, 4394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 4370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:32:48,065 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 1009 Invalid, 4394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 4370 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-27 23:32:48,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1935 states. [2024-11-27 23:32:48,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1935 to 1920. [2024-11-27 23:32:48,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1920 states, 1707 states have (on average 1.3796133567662565) internal successors, (2355), 1759 states have internal predecessors, (2355), 158 states have call successors, (158), 2 states have call predecessors, (158), 2 states have return successors, (158), 158 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-27 23:32:48,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1920 states and 2671 transitions. [2024-11-27 23:32:48,352 INFO L78 Accepts]: Start accepts. Automaton has 1920 states and 2671 transitions. Word has length 265 [2024-11-27 23:32:48,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:48,352 INFO L471 AbstractCegarLoop]: Abstraction has 1920 states and 2671 transitions. [2024-11-27 23:32:48,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 9.555555555555555) internal successors, (172), 17 states have internal predecessors, (172), 7 states have call successors, (21), 1 states have call predecessors, (21), 3 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) [2024-11-27 23:32:48,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2671 transitions. [2024-11-27 23:32:48,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-11-27 23:32:48,353 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:48,353 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:48,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (112)] Ended with exit code 0 [2024-11-27 23:32:48,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 112 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable115 [2024-11-27 23:32:48,554 INFO L396 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:32:48,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:48,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1542735694, now seen corresponding path program 2 times [2024-11-27 23:32:48,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:48,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122022653] [2024-11-27 23:32:48,555 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:32:48,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:48,578 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:32:48,578 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 23:32:48,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1604356656] [2024-11-27 23:32:48,579 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:32:48,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:32:48,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:48,581 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:32:48,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (113)] Waiting until timeout for monitored process [2024-11-27 23:32:48,725 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:32:48,725 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:32:48,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-27 23:32:48,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:49,911 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 12 proven. 198 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-27 23:32:49,911 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:33:02,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:33:02,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122022653] [2024-11-27 23:33:02,758 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:33:02,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604356656] [2024-11-27 23:33:02,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604356656] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:33:02,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:33:02,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-27 23:33:02,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501688569] [2024-11-27 23:33:02,758 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:33:02,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 23:33:02,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:33:02,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 23:33:02,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=283, Unknown=3, NotChecked=0, Total=342 [2024-11-27 23:33:02,759 INFO L87 Difference]: Start difference. First operand 1920 states and 2671 transitions. Second operand has 12 states, 11 states have (on average 15.454545454545455) internal successors, (170), 12 states have internal predecessors, (170), 6 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 5 states have call predecessors, (21), 6 states have call successors, (21) [2024-11-27 23:33:04,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:04,450 INFO L93 Difference]: Finished difference Result 2077 states and 2876 transitions. [2024-11-27 23:33:04,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 23:33:04,450 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 15.454545454545455) internal successors, (170), 12 states have internal predecessors, (170), 6 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 5 states have call predecessors, (21), 6 states have call successors, (21) Word has length 266 [2024-11-27 23:33:04,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:04,453 INFO L225 Difference]: With dead ends: 2077 [2024-11-27 23:33:04,453 INFO L226 Difference]: Without dead ends: 2076 [2024-11-27 23:33:04,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 420 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=56, Invalid=283, Unknown=3, NotChecked=0, Total=342 [2024-11-27 23:33:04,453 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 124 mSDsluCounter, 1210 mSDsCounter, 0 mSdLazyCounter, 1871 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 1405 SdHoareTripleChecker+Invalid, 1871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:04,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 1405 Invalid, 1871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1871 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-27 23:33:04,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2076 states. [2024-11-27 23:33:04,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2076 to 2036. [2024-11-27 23:33:04,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2036 states, 1813 states have (on average 1.3888582460011032) internal successors, (2518), 1865 states have internal predecessors, (2518), 168 states have call successors, (168), 2 states have call predecessors, (168), 2 states have return successors, (168), 168 states have call predecessors, (168), 168 states have call successors, (168) [2024-11-27 23:33:04,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 2036 states and 2854 transitions. [2024-11-27 23:33:04,752 INFO L78 Accepts]: Start accepts. Automaton has 2036 states and 2854 transitions. Word has length 266 [2024-11-27 23:33:04,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:04,753 INFO L471 AbstractCegarLoop]: Abstraction has 2036 states and 2854 transitions. [2024-11-27 23:33:04,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 15.454545454545455) internal successors, (170), 12 states have internal predecessors, (170), 6 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 5 states have call predecessors, (21), 6 states have call successors, (21) [2024-11-27 23:33:04,753 INFO L276 IsEmpty]: Start isEmpty. Operand 2036 states and 2854 transitions. [2024-11-27 23:33:04,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-11-27 23:33:04,754 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:04,754 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:04,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (113)] Ended with exit code 0 [2024-11-27 23:33:04,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 113 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable116 [2024-11-27 23:33:04,954 INFO L396 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:33:04,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:04,955 INFO L85 PathProgramCache]: Analyzing trace with hash -580166150, now seen corresponding path program 3 times [2024-11-27 23:33:04,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:33:04,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481647309] [2024-11-27 23:33:04,955 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:33:04,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:33:05,017 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-27 23:33:05,018 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 23:33:05,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [782612765] [2024-11-27 23:33:05,019 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:33:05,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:33:05,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:05,024 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:33:05,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (114)] Waiting until timeout for monitored process [2024-11-27 23:33:05,249 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-27 23:33:05,249 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:33:05,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-27 23:33:05,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:33:09,143 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-27 23:33:09,143 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:33:13,848 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-27 23:33:13,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:33:13,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481647309] [2024-11-27 23:33:13,848 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:33:13,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782612765] [2024-11-27 23:33:13,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [782612765] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:33:13,848 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:33:13,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 25 [2024-11-27 23:33:13,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291152744] [2024-11-27 23:33:13,849 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:33:13,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-27 23:33:13,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:33:13,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-27 23:33:13,851 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=558, Unknown=0, NotChecked=0, Total=650 [2024-11-27 23:33:13,851 INFO L87 Difference]: Start difference. First operand 2036 states and 2854 transitions. Second operand has 26 states, 25 states have (on average 13.08) internal successors, (327), 26 states have internal predecessors, (327), 11 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 11 states have call predecessors, (38), 11 states have call successors, (38) [2024-11-27 23:33:17,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 23:33:22,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 23:33:26,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 23:33:28,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 23:33:34,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 23:33:58,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:58,756 INFO L93 Difference]: Finished difference Result 2176 states and 3011 transitions. [2024-11-27 23:33:58,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-27 23:33:58,756 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 13.08) internal successors, (327), 26 states have internal predecessors, (327), 11 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 11 states have call predecessors, (38), 11 states have call successors, (38) Word has length 267 [2024-11-27 23:33:58,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:58,760 INFO L225 Difference]: With dead ends: 2176 [2024-11-27 23:33:58,760 INFO L226 Difference]: Without dead ends: 2175 [2024-11-27 23:33:58,761 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 571 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 904 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=765, Invalid=3395, Unknown=0, NotChecked=0, Total=4160 [2024-11-27 23:33:58,761 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 1493 mSDsluCounter, 1363 mSDsCounter, 0 mSdLazyCounter, 4209 mSolverCounterSat, 183 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1495 SdHoareTripleChecker+Valid, 1484 SdHoareTripleChecker+Invalid, 4397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 4209 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:58,762 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1495 Valid, 1484 Invalid, 4397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 4209 Invalid, 5 Unknown, 0 Unchecked, 38.4s Time] [2024-11-27 23:33:58,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2175 states. [2024-11-27 23:33:59,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2175 to 2139. [2024-11-27 23:33:59,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2139 states, 1906 states have (on average 1.3756558237145855) internal successors, (2622), 1958 states have internal predecessors, (2622), 178 states have call successors, (178), 2 states have call predecessors, (178), 2 states have return successors, (178), 178 states have call predecessors, (178), 178 states have call successors, (178) [2024-11-27 23:33:59,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 2139 states and 2978 transitions. [2024-11-27 23:33:59,165 INFO L78 Accepts]: Start accepts. Automaton has 2139 states and 2978 transitions. Word has length 267 [2024-11-27 23:33:59,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:59,165 INFO L471 AbstractCegarLoop]: Abstraction has 2139 states and 2978 transitions. [2024-11-27 23:33:59,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 13.08) internal successors, (327), 26 states have internal predecessors, (327), 11 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 11 states have call predecessors, (38), 11 states have call successors, (38) [2024-11-27 23:33:59,166 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2978 transitions. [2024-11-27 23:33:59,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-11-27 23:33:59,167 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:59,168 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:59,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (114)] Ended with exit code 0 [2024-11-27 23:33:59,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 114 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable117 [2024-11-27 23:33:59,368 INFO L396 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:33:59,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:59,369 INFO L85 PathProgramCache]: Analyzing trace with hash -805281356, now seen corresponding path program 3 times [2024-11-27 23:33:59,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:33:59,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723312980] [2024-11-27 23:33:59,369 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:33:59,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:33:59,415 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-27 23:33:59,415 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 23:33:59,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1814815928] [2024-11-27 23:33:59,417 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:33:59,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:33:59,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:59,419 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:33:59,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (115)] Waiting until timeout for monitored process [2024-11-27 23:33:59,851 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-27 23:33:59,851 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:33:59,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-27 23:33:59,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:34:02,452 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 0 proven. 201 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-27 23:34:02,453 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:34:06,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:34:06,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723312980] [2024-11-27 23:34:06,985 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:34:06,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814815928] [2024-11-27 23:34:06,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814815928] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:34:06,985 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:34:06,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-27 23:34:06,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963928452] [2024-11-27 23:34:06,985 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:34:06,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-27 23:34:06,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:34:06,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-27 23:34:06,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=369, Unknown=1, NotChecked=0, Total=462 [2024-11-27 23:34:06,986 INFO L87 Difference]: Start difference. First operand 2139 states and 2978 transitions. Second operand has 16 states, 15 states have (on average 11.266666666666667) internal successors, (169), 16 states have internal predecessors, (169), 6 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2024-11-27 23:34:11,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:34:11,228 INFO L93 Difference]: Finished difference Result 2149 states and 2978 transitions. [2024-11-27 23:34:11,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 23:34:11,228 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 11.266666666666667) internal successors, (169), 16 states have internal predecessors, (169), 6 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) Word has length 268 [2024-11-27 23:34:11,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:34:11,231 INFO L225 Difference]: With dead ends: 2149 [2024-11-27 23:34:11,231 INFO L226 Difference]: Without dead ends: 2148 [2024-11-27 23:34:11,232 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=155, Invalid=656, Unknown=1, NotChecked=0, Total=812 [2024-11-27 23:34:11,232 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 353 mSDsluCounter, 992 mSDsCounter, 0 mSdLazyCounter, 2300 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 1151 SdHoareTripleChecker+Invalid, 2324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:34:11,232 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 1151 Invalid, 2324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2300 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-27 23:34:11,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2024-11-27 23:34:11,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 2139. [2024-11-27 23:34:11,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2139 states, 1906 states have (on average 1.3740818467995803) internal successors, (2619), 1958 states have internal predecessors, (2619), 178 states have call successors, (178), 2 states have call predecessors, (178), 2 states have return successors, (178), 178 states have call predecessors, (178), 178 states have call successors, (178) [2024-11-27 23:34:11,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 2139 states and 2975 transitions. [2024-11-27 23:34:11,580 INFO L78 Accepts]: Start accepts. Automaton has 2139 states and 2975 transitions. Word has length 268 [2024-11-27 23:34:11,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:34:11,580 INFO L471 AbstractCegarLoop]: Abstraction has 2139 states and 2975 transitions. [2024-11-27 23:34:11,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 11.266666666666667) internal successors, (169), 16 states have internal predecessors, (169), 6 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2024-11-27 23:34:11,580 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2975 transitions. [2024-11-27 23:34:11,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-11-27 23:34:11,581 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:34:11,582 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:34:11,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (115)] Ended with exit code 0 [2024-11-27 23:34:11,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 115 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable118 [2024-11-27 23:34:11,782 INFO L396 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:34:11,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:34:11,782 INFO L85 PathProgramCache]: Analyzing trace with hash 806081852, now seen corresponding path program 2 times [2024-11-27 23:34:11,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:34:11,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609870235] [2024-11-27 23:34:11,783 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:34:11,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:34:11,814 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:34:11,814 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 23:34:11,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [100312118] [2024-11-27 23:34:11,816 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:34:11,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:34:11,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:34:11,821 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:34:11,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (116)] Waiting until timeout for monitored process [2024-11-27 23:34:11,959 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:34:11,959 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:34:11,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-27 23:34:11,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:34:13,547 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 15 proven. 204 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-27 23:34:13,548 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:34:15,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:34:15,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609870235] [2024-11-27 23:34:15,453 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:34:15,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100312118] [2024-11-27 23:34:15,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100312118] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:34:15,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:34:15,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-27 23:34:15,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189012741] [2024-11-27 23:34:15,453 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:34:15,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 23:34:15,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:34:15,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 23:34:15,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=380, Unknown=0, NotChecked=0, Total=462 [2024-11-27 23:34:15,454 INFO L87 Difference]: Start difference. First operand 2139 states and 2975 transitions. Second operand has 13 states, 12 states have (on average 14.416666666666666) internal successors, (173), 12 states have internal predecessors, (173), 6 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2024-11-27 23:34:17,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:34:17,559 INFO L93 Difference]: Finished difference Result 2151 states and 2975 transitions. [2024-11-27 23:34:17,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 23:34:17,559 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 14.416666666666666) internal successors, (173), 12 states have internal predecessors, (173), 6 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) Word has length 269 [2024-11-27 23:34:17,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:34:17,563 INFO L225 Difference]: With dead ends: 2151 [2024-11-27 23:34:17,563 INFO L226 Difference]: Without dead ends: 2150 [2024-11-27 23:34:17,564 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 500 GetRequests, 480 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=82, Invalid=380, Unknown=0, NotChecked=0, Total=462 [2024-11-27 23:34:17,564 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 149 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 1584 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 1198 SdHoareTripleChecker+Invalid, 1584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-27 23:34:17,564 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 1198 Invalid, 1584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1584 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-27 23:34:17,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2150 states. [2024-11-27 23:34:17,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2150 to 2139. [2024-11-27 23:34:17,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2139 states, 1906 states have (on average 1.372507869884575) internal successors, (2616), 1958 states have internal predecessors, (2616), 178 states have call successors, (178), 2 states have call predecessors, (178), 2 states have return successors, (178), 178 states have call predecessors, (178), 178 states have call successors, (178) [2024-11-27 23:34:17,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 2139 states and 2972 transitions. [2024-11-27 23:34:17,915 INFO L78 Accepts]: Start accepts. Automaton has 2139 states and 2972 transitions. Word has length 269 [2024-11-27 23:34:17,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:34:17,915 INFO L471 AbstractCegarLoop]: Abstraction has 2139 states and 2972 transitions. [2024-11-27 23:34:17,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 14.416666666666666) internal successors, (173), 12 states have internal predecessors, (173), 6 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2024-11-27 23:34:17,916 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2972 transitions. [2024-11-27 23:34:17,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-11-27 23:34:17,917 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:34:17,917 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:34:17,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (116)] Forceful destruction successful, exit code 0 [2024-11-27 23:34:18,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119,116 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:34:18,117 INFO L396 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:34:18,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:34:18,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1722429969, now seen corresponding path program 1 times [2024-11-27 23:34:18,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:34:18,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929699509] [2024-11-27 23:34:18,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:34:18,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:34:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:34:18,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [208291245] [2024-11-27 23:34:18,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:34:18,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:34:18,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:34:18,147 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:34:18,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (117)] Waiting until timeout for monitored process [2024-11-27 23:34:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:34:18,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-27 23:34:18,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:34:23,439 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 48 proven. 233 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2024-11-27 23:34:23,439 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:34:24,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:34:24,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929699509] [2024-11-27 23:34:24,528 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:34:24,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208291245] [2024-11-27 23:34:24,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208291245] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:34:24,529 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:34:24,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2024-11-27 23:34:24,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144988957] [2024-11-27 23:34:24,529 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:34:24,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-27 23:34:24,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:34:24,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-27 23:34:24,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=566, Unknown=0, NotChecked=0, Total=650 [2024-11-27 23:34:24,530 INFO L87 Difference]: Start difference. First operand 2139 states and 2972 transitions. Second operand has 20 states, 19 states have (on average 9.263157894736842) internal successors, (176), 17 states have internal predecessors, (176), 8 states have call successors, (21), 1 states have call predecessors, (21), 3 states have return successors, (21), 8 states have call predecessors, (21), 8 states have call successors, (21) [2024-11-27 23:34:29,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:34:29,310 INFO L93 Difference]: Finished difference Result 2155 states and 2985 transitions. [2024-11-27 23:34:29,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 23:34:29,310 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 9.263157894736842) internal successors, (176), 17 states have internal predecessors, (176), 8 states have call successors, (21), 1 states have call predecessors, (21), 3 states have return successors, (21), 8 states have call predecessors, (21), 8 states have call successors, (21) Word has length 269 [2024-11-27 23:34:29,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:34:29,313 INFO L225 Difference]: With dead ends: 2155 [2024-11-27 23:34:29,313 INFO L226 Difference]: Without dead ends: 2154 [2024-11-27 23:34:29,314 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=161, Invalid=1029, Unknown=0, NotChecked=0, Total=1190 [2024-11-27 23:34:29,314 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 296 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 4319 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 4341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 4319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:34:29,314 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 556 Invalid, 4341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 4319 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-27 23:34:29,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2154 states. [2024-11-27 23:34:29,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2154 to 2139. [2024-11-27 23:34:29,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2139 states, 1906 states have (on average 1.3719832109129066) internal successors, (2615), 1958 states have internal predecessors, (2615), 178 states have call successors, (178), 2 states have call predecessors, (178), 2 states have return successors, (178), 178 states have call predecessors, (178), 178 states have call successors, (178) [2024-11-27 23:34:29,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 2139 states and 2971 transitions. [2024-11-27 23:34:29,667 INFO L78 Accepts]: Start accepts. Automaton has 2139 states and 2971 transitions. Word has length 269 [2024-11-27 23:34:29,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:34:29,668 INFO L471 AbstractCegarLoop]: Abstraction has 2139 states and 2971 transitions. [2024-11-27 23:34:29,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 9.263157894736842) internal successors, (176), 17 states have internal predecessors, (176), 8 states have call successors, (21), 1 states have call predecessors, (21), 3 states have return successors, (21), 8 states have call predecessors, (21), 8 states have call successors, (21) [2024-11-27 23:34:29,668 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2971 transitions. [2024-11-27 23:34:29,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-27 23:34:29,669 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:34:29,669 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:34:29,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (117)] Forceful destruction successful, exit code 0 [2024-11-27 23:34:29,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 117 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable120 [2024-11-27 23:34:29,870 INFO L396 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-27 23:34:29,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:34:29,870 INFO L85 PathProgramCache]: Analyzing trace with hash -781266250, now seen corresponding path program 3 times [2024-11-27 23:34:29,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:34:29,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602955665] [2024-11-27 23:34:29,871 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:34:29,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:34:29,928 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-27 23:34:29,929 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 23:34:29,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1229787569] [2024-11-27 23:34:29,931 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:34:29,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:34:29,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:34:29,935 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:34:29,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9af9b-2fa1-4a98-83fb-35916a1aacf4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (118)] Waiting until timeout for monitored process [2024-11-27 23:34:31,509 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-27 23:34:31,510 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:34:31,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-27 23:34:31,516 INFO L279 TraceCheckSpWp]: Computing forward predicates...