./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound2.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_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/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_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/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_59badf71-1af9-4472-bee4-e7978169e2de/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 26bf02dce57f3cc9fa9e6af5bd48026588368cec482f21797d4110581d1b8f61 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:57:45,349 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:57:45,461 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 04:57:45,469 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:57:45,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:57:45,506 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:57:45,507 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:57:45,507 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:57:45,508 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:57:45,508 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:57:45,509 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:57:45,509 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:57:45,509 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:57:45,509 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:57:45,509 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:57:45,510 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:57:45,510 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:57:45,510 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:57:45,510 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:57:45,510 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:57:45,510 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:57:45,510 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:57:45,510 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:57:45,510 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:57:45,510 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 04:57:45,511 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:57:45,511 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:57:45,511 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:57:45,511 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:57:45,511 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:57:45,511 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:57:45,511 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:57:45,511 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:57:45,511 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:57:45,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:57:45,512 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:57:45,512 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:57:45,512 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:57:45,512 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:57:45,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:57:45,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:57:45,512 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:57:45,512 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:57:45,515 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:57:45,515 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:57:45,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:57:45,516 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:57:45,516 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:57:45,516 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:57:45,516 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:57:45,516 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_59badf71-1af9-4472-bee4-e7978169e2de/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 -> 26bf02dce57f3cc9fa9e6af5bd48026588368cec482f21797d4110581d1b8f61 [2024-11-28 04:57:45,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:57:45,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:57:45,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:57:45,866 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:57:45,867 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:57:45,869 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound2.c [2024-11-28 04:57:49,455 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/data/9e1beddd6/42f945658fdc46799de951aebb1d0447/FLAGfd2eeecf3 [2024-11-28 04:57:49,804 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:57:49,805 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound2.c [2024-11-28 04:57:49,819 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/data/9e1beddd6/42f945658fdc46799de951aebb1d0447/FLAGfd2eeecf3 [2024-11-28 04:57:49,850 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/data/9e1beddd6/42f945658fdc46799de951aebb1d0447 [2024-11-28 04:57:49,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:57:49,874 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:57:49,878 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:57:49,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:57:49,885 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:57:49,886 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:57:49" (1/1) ... [2024-11-28 04:57:49,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e9aa7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:49, skipping insertion in model container [2024-11-28 04:57:49,887 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:57:49" (1/1) ... [2024-11-28 04:57:49,913 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:57:50,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:57:50,161 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:57:50,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:57:50,203 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:57:50,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:50 WrapperNode [2024-11-28 04:57:50,204 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:57:50,205 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:57:50,205 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:57:50,205 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:57:50,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:50" (1/1) ... [2024-11-28 04:57:50,218 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:50" (1/1) ... [2024-11-28 04:57:50,243 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 169 [2024-11-28 04:57:50,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:57:50,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:57:50,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:57:50,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:57:50,258 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:50" (1/1) ... [2024-11-28 04:57:50,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:50" (1/1) ... [2024-11-28 04:57:50,262 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:50" (1/1) ... [2024-11-28 04:57:50,274 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]. [2024-11-28 04:57:50,274 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:50" (1/1) ... [2024-11-28 04:57:50,274 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:50" (1/1) ... [2024-11-28 04:57:50,279 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:50" (1/1) ... [2024-11-28 04:57:50,280 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:50" (1/1) ... [2024-11-28 04:57:50,287 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:50" (1/1) ... [2024-11-28 04:57:50,292 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:50" (1/1) ... [2024-11-28 04:57:50,293 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:50" (1/1) ... [2024-11-28 04:57:50,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:57:50,296 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:57:50,296 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:57:50,297 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:57:50,298 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:50" (1/1) ... [2024-11-28 04:57:50,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:57:50,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:57:50,344 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:57:50,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:57:50,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:57:50,377 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:57:50,377 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:57:50,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:57:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:57:50,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:57:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 04:57:50,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 04:57:50,463 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:57:50,465 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:57:51,280 INFO L? ?]: Removed 137 outVars from TransFormulas that were not future-live. [2024-11-28 04:57:51,280 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:57:51,303 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:57:51,303 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-28 04:57:51,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:57:51 BoogieIcfgContainer [2024-11-28 04:57:51,306 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:57:51,309 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:57:51,309 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:57:51,314 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:57:51,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:57:49" (1/3) ... [2024-11-28 04:57:51,314 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@353fa63d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:57:51, skipping insertion in model container [2024-11-28 04:57:51,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:50" (2/3) ... [2024-11-28 04:57:51,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@353fa63d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:57:51, skipping insertion in model container [2024-11-28 04:57:51,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:57:51" (3/3) ... [2024-11-28 04:57:51,316 INFO L128 eAbstractionObserver]: Analyzing ICFG fermat1-ll_unwindbound2.c [2024-11-28 04:57:51,330 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:57:51,331 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG fermat1-ll_unwindbound2.c that has 3 procedures, 227 locations, 1 initial locations, 3 loop locations, and 98 error locations. [2024-11-28 04:57:51,402 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:57:51,417 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;@22bc671f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:57:51,417 INFO L334 AbstractCegarLoop]: Starting to check reachability of 98 error locations. [2024-11-28 04:57:51,422 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 120 states have (on average 1.9083333333333334) internal successors, (229), 218 states have internal predecessors, (229), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 04:57:51,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-28 04:57:51,428 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:57:51,428 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-28 04:57:51,429 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-28 04:57:51,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:57:51,434 INFO L85 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2024-11-28 04:57:51,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:57:51,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986585675] [2024-11-28 04:57:51,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:51,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:57:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:57:51,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:57:51,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:57:51,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986585675] [2024-11-28 04:57:51,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986585675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:57:51,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:57:51,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:57:51,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073112070] [2024-11-28 04:57:51,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:57:51,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:57:51,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:57:51,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:57:51,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:57:51,685 INFO L87 Difference]: Start difference. First operand has 227 states, 120 states have (on average 1.9083333333333334) internal successors, (229), 218 states have internal predecessors, (229), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:57:51,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:57:51,797 INFO L93 Difference]: Finished difference Result 427 states and 471 transitions. [2024-11-28 04:57:51,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:57:51,799 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-11-28 04:57:51,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:57:51,807 INFO L225 Difference]: With dead ends: 427 [2024-11-28 04:57:51,808 INFO L226 Difference]: Without dead ends: 206 [2024-11-28 04:57:51,812 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 [2024-11-28 04:57:51,815 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 13 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:57:51,816 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 394 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:57:51,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-28 04:57:51,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2024-11-28 04:57:51,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 115 states have (on average 1.7739130434782608) internal successors, (204), 198 states have internal predecessors, (204), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 04:57:51,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 214 transitions. [2024-11-28 04:57:51,894 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 214 transitions. Word has length 3 [2024-11-28 04:57:51,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:57:51,896 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 214 transitions. [2024-11-28 04:57:51,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:57:51,896 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 214 transitions. [2024-11-28 04:57:51,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-28 04:57:51,897 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:57:51,897 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-28 04:57:51,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:57:51,898 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-28 04:57:51,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:57:51,900 INFO L85 PathProgramCache]: Analyzing trace with hash 925572, now seen corresponding path program 1 times [2024-11-28 04:57:51,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:57:51,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878384484] [2024-11-28 04:57:51,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:51,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:57:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:57:51,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:57:51,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:57:51,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878384484] [2024-11-28 04:57:51,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878384484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:57:51,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:57:51,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:57:51,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103271747] [2024-11-28 04:57:51,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:57:51,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:57:51,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:57:51,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:57:51,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:57:51,971 INFO L87 Difference]: Start difference. First operand 206 states and 214 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:57:52,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:57:52,062 INFO L93 Difference]: Finished difference Result 206 states and 214 transitions. [2024-11-28 04:57:52,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:57:52,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-28 04:57:52,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:57:52,070 INFO L225 Difference]: With dead ends: 206 [2024-11-28 04:57:52,070 INFO L226 Difference]: Without dead ends: 202 [2024-11-28 04:57:52,070 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 [2024-11-28 04:57:52,071 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 12 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:57:52,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 381 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:57:52,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-11-28 04:57:52,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2024-11-28 04:57:52,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 115 states have (on average 1.7391304347826086) internal successors, (200), 194 states have internal predecessors, (200), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 04:57:52,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 210 transitions. [2024-11-28 04:57:52,094 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 210 transitions. Word has length 4 [2024-11-28 04:57:52,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:57:52,095 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 210 transitions. [2024-11-28 04:57:52,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:57:52,096 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 210 transitions. [2024-11-28 04:57:52,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-28 04:57:52,097 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:57:52,097 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:57:52,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:57:52,097 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-28 04:57:52,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:57:52,098 INFO L85 PathProgramCache]: Analyzing trace with hash 87858952, now seen corresponding path program 1 times [2024-11-28 04:57:52,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:57:52,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990954281] [2024-11-28 04:57:52,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:52,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:57:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:57:52,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [153156079] [2024-11-28 04:57:52,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:52,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:57:52,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:57:52,135 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:57:52,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:57:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:57:52,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:57:52,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:57:52,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:57:52,253 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:57:52,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:57:52,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990954281] [2024-11-28 04:57:52,254 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:57:52,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153156079] [2024-11-28 04:57:52,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153156079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:57:52,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:57:52,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:57:52,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023018564] [2024-11-28 04:57:52,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:57:52,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:57:52,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:57:52,255 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:57:52,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:57:52,256 INFO L87 Difference]: Start difference. First operand 202 states and 210 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:57:52,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:57:52,313 INFO L93 Difference]: Finished difference Result 202 states and 210 transitions. [2024-11-28 04:57:52,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:57:52,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-28 04:57:52,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:57:52,315 INFO L225 Difference]: With dead ends: 202 [2024-11-28 04:57:52,315 INFO L226 Difference]: Without dead ends: 200 [2024-11-28 04:57:52,316 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:57:52,317 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 8 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:57:52,317 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 381 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:57:52,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-11-28 04:57:52,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2024-11-28 04:57:52,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 115 states have (on average 1.7217391304347827) internal successors, (198), 192 states have internal predecessors, (198), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 04:57:52,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 208 transitions. [2024-11-28 04:57:52,345 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 208 transitions. Word has length 8 [2024-11-28 04:57:52,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:57:52,345 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 208 transitions. [2024-11-28 04:57:52,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:57:52,346 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 208 transitions. [2024-11-28 04:57:52,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-28 04:57:52,346 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:57:52,346 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:57:52,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:57:52,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:57:52,547 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-28 04:57:52,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:57:52,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1897916790, now seen corresponding path program 1 times [2024-11-28 04:57:52,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:57:52,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036509242] [2024-11-28 04:57:52,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:52,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:57:52,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:57:52,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1716462225] [2024-11-28 04:57:52,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:52,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:57:52,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:57:52,584 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:57:52,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:57:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:57:52,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:57:52,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:57:52,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:57:52,721 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:57:52,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:57:52,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036509242] [2024-11-28 04:57:52,722 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:57:52,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716462225] [2024-11-28 04:57:52,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716462225] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:57:52,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:57:52,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:57:52,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603512529] [2024-11-28 04:57:52,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:57:52,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:57:52,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:57:52,724 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:57:52,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:57:52,724 INFO L87 Difference]: Start difference. First operand 200 states and 208 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:57:52,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:57:52,797 INFO L93 Difference]: Finished difference Result 200 states and 208 transitions. [2024-11-28 04:57:52,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:57:52,799 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2024-11-28 04:57:52,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:57:52,801 INFO L225 Difference]: With dead ends: 200 [2024-11-28 04:57:52,801 INFO L226 Difference]: Without dead ends: 198 [2024-11-28 04:57:52,801 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:57:52,802 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 162 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:57:52,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 188 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:57:52,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-28 04:57:52,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2024-11-28 04:57:52,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 115 states have (on average 1.7043478260869565) internal successors, (196), 190 states have internal predecessors, (196), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 04:57:52,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 206 transitions. [2024-11-28 04:57:52,830 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 206 transitions. Word has length 25 [2024-11-28 04:57:52,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:57:52,831 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 206 transitions. [2024-11-28 04:57:52,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:57:52,831 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 206 transitions. [2024-11-28 04:57:52,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-28 04:57:52,836 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:57:52,836 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:57:52,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:57:53,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:57:53,037 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-28 04:57:53,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:57:53,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1294121716, now seen corresponding path program 1 times [2024-11-28 04:57:53,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:57:53,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887158483] [2024-11-28 04:57:53,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:53,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:57:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:57:53,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 04:57:53,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:57:53,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887158483] [2024-11-28 04:57:53,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887158483] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:57:53,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993547369] [2024-11-28 04:57:53,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:53,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:57:53,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:57:53,388 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:57:53,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:57:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:57:53,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:57:53,454 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:57:53,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 04:57:53,653 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:57:53,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993547369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:57:53,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:57:53,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-28 04:57:53,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122913762] [2024-11-28 04:57:53,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:57:53,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:57:53,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:57:53,654 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:57:53,654 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:57:53,655 INFO L87 Difference]: Start difference. First operand 198 states and 206 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:57:53,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:57:53,895 INFO L93 Difference]: Finished difference Result 198 states and 206 transitions. [2024-11-28 04:57:53,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:57:53,896 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2024-11-28 04:57:53,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:57:53,898 INFO L225 Difference]: With dead ends: 198 [2024-11-28 04:57:53,898 INFO L226 Difference]: Without dead ends: 196 [2024-11-28 04:57:53,899 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:57:53,902 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 161 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:57:53,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 675 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:57:53,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-28 04:57:53,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2024-11-28 04:57:53,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 115 states have (on average 1.6869565217391305) internal successors, (194), 188 states have internal predecessors, (194), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 04:57:53,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 204 transitions. [2024-11-28 04:57:53,921 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 204 transitions. Word has length 26 [2024-11-28 04:57:53,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:57:53,921 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 204 transitions. [2024-11-28 04:57:53,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:57:53,921 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 204 transitions. [2024-11-28 04:57:53,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-28 04:57:53,922 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:57:53,922 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 04:57:53,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 04:57:54,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:57:54,123 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-28 04:57:54,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:57:54,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1889544650, now seen corresponding path program 1 times [2024-11-28 04:57:54,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:57:54,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668082354] [2024-11-28 04:57:54,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:54,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:57:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:57:54,215 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:57:54,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:57:54,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668082354] [2024-11-28 04:57:54,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668082354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:57:54,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:57:54,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:57:54,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905547584] [2024-11-28 04:57:54,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:57:54,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:57:54,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:57:54,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:57:54,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:57:54,218 INFO L87 Difference]: Start difference. First operand 196 states and 204 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:57:54,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:57:54,285 INFO L93 Difference]: Finished difference Result 275 states and 284 transitions. [2024-11-28 04:57:54,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:57:54,286 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-28 04:57:54,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:57:54,287 INFO L225 Difference]: With dead ends: 275 [2024-11-28 04:57:54,287 INFO L226 Difference]: Without dead ends: 274 [2024-11-28 04:57:54,288 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:57:54,289 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 84 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:57:54,289 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 567 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:57:54,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-28 04:57:54,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 223. [2024-11-28 04:57:54,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 140 states have (on average 1.6928571428571428) internal successors, (237), 214 states have internal predecessors, (237), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 04:57:54,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 249 transitions. [2024-11-28 04:57:54,305 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 249 transitions. Word has length 28 [2024-11-28 04:57:54,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:57:54,306 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 249 transitions. [2024-11-28 04:57:54,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:57:54,306 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 249 transitions. [2024-11-28 04:57:54,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-28 04:57:54,307 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:57:54,307 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 04:57:54,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:57:54,308 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-28 04:57:54,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:57:54,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1553658064, now seen corresponding path program 1 times [2024-11-28 04:57:54,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:57:54,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759237697] [2024-11-28 04:57:54,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:54,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:57:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:57:54,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:57:54,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:57:54,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759237697] [2024-11-28 04:57:54,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759237697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:57:54,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:57:54,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:57:54,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822058933] [2024-11-28 04:57:54,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:57:54,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:57:54,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:57:54,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:57:54,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:57:54,386 INFO L87 Difference]: Start difference. First operand 223 states and 249 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:57:54,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:57:54,436 INFO L93 Difference]: Finished difference Result 252 states and 276 transitions. [2024-11-28 04:57:54,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:57:54,437 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-11-28 04:57:54,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:57:54,440 INFO L225 Difference]: With dead ends: 252 [2024-11-28 04:57:54,440 INFO L226 Difference]: Without dead ends: 223 [2024-11-28 04:57:54,441 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:57:54,441 INFO L435 NwaCegarLoop]: 200 mSDtfsCounter, 8 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:57:54,442 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 570 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:57:54,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-28 04:57:54,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2024-11-28 04:57:54,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 140 states have (on average 1.6785714285714286) internal successors, (235), 214 states have internal predecessors, (235), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 04:57:54,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 247 transitions. [2024-11-28 04:57:54,455 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 247 transitions. Word has length 29 [2024-11-28 04:57:54,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:57:54,456 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 247 transitions. [2024-11-28 04:57:54,456 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:57:54,456 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 247 transitions. [2024-11-28 04:57:54,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-28 04:57:54,457 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:57:54,457 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 04:57:54,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:57:54,457 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-28 04:57:54,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:57:54,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1583217163, now seen corresponding path program 1 times [2024-11-28 04:57:54,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:57:54,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626193300] [2024-11-28 04:57:54,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:54,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:57:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:57:54,536 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:57:54,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:57:54,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626193300] [2024-11-28 04:57:54,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626193300] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:57:54,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:57:54,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:57:54,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073203593] [2024-11-28 04:57:54,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:57:54,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:57:54,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:57:54,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:57:54,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:57:54,538 INFO L87 Difference]: Start difference. First operand 223 states and 247 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:57:54,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:57:54,654 INFO L93 Difference]: Finished difference Result 275 states and 301 transitions. [2024-11-28 04:57:54,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:57:54,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2024-11-28 04:57:54,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:57:54,657 INFO L225 Difference]: With dead ends: 275 [2024-11-28 04:57:54,658 INFO L226 Difference]: Without dead ends: 272 [2024-11-28 04:57:54,658 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:57:54,659 INFO L435 NwaCegarLoop]: 194 mSDtfsCounter, 141 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:57:54,659 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 274 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:57:54,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-11-28 04:57:54,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 238. [2024-11-28 04:57:54,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 155 states have (on average 1.664516129032258) internal successors, (258), 229 states have internal predecessors, (258), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 04:57:54,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 270 transitions. [2024-11-28 04:57:54,677 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 270 transitions. Word has length 31 [2024-11-28 04:57:54,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:57:54,678 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 270 transitions. [2024-11-28 04:57:54,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:57:54,678 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 270 transitions. [2024-11-28 04:57:54,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-28 04:57:54,679 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:57:54,679 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 04:57:54,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:57:54,680 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-28 04:57:54,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:57:54,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1835091717, now seen corresponding path program 1 times [2024-11-28 04:57:54,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:57:54,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53357092] [2024-11-28 04:57:54,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:54,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:57:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:57:54,776 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:57:54,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:57:54,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53357092] [2024-11-28 04:57:54,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53357092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:57:54,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:57:54,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:57:54,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524236478] [2024-11-28 04:57:54,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:57:54,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:57:54,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:57:54,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:57:54,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:57:54,779 INFO L87 Difference]: Start difference. First operand 238 states and 270 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:57:55,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:57:55,031 INFO L93 Difference]: Finished difference Result 278 states and 303 transitions. [2024-11-28 04:57:55,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:57:55,032 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-28 04:57:55,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:57:55,034 INFO L225 Difference]: With dead ends: 278 [2024-11-28 04:57:55,035 INFO L226 Difference]: Without dead ends: 275 [2024-11-28 04:57:55,035 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:57:55,038 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 151 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:57:55,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 431 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:57:55,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-28 04:57:55,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 241. [2024-11-28 04:57:55,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 158 states have (on average 1.6455696202531647) internal successors, (260), 232 states have internal predecessors, (260), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 04:57:55,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 272 transitions. [2024-11-28 04:57:55,070 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 272 transitions. Word has length 32 [2024-11-28 04:57:55,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:57:55,070 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 272 transitions. [2024-11-28 04:57:55,070 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:57:55,071 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 272 transitions. [2024-11-28 04:57:55,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-28 04:57:55,071 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:57:55,071 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 04:57:55,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:57:55,075 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-28 04:57:55,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:57:55,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1053268297, now seen corresponding path program 1 times [2024-11-28 04:57:55,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:57:55,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121483620] [2024-11-28 04:57:55,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:55,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:57:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:57:55,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1233433047] [2024-11-28 04:57:55,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:55,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:57:55,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:57:55,122 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:57:55,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 04:57:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:57:55,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:57:55,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:57:55,293 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:57:55,293 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:57:55,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:57:55,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121483620] [2024-11-28 04:57:55,295 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:57:55,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233433047] [2024-11-28 04:57:55,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233433047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:57:55,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:57:55,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:57:55,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575159243] [2024-11-28 04:57:55,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:57:55,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:57:55,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:57:55,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:57:55,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:57:55,298 INFO L87 Difference]: Start difference. First operand 241 states and 272 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:57:55,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:57:55,555 INFO L93 Difference]: Finished difference Result 390 states and 436 transitions. [2024-11-28 04:57:55,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:57:55,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-28 04:57:55,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:57:55,562 INFO L225 Difference]: With dead ends: 390 [2024-11-28 04:57:55,562 INFO L226 Difference]: Without dead ends: 387 [2024-11-28 04:57:55,563 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:57:55,564 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 139 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:57:55,566 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 368 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:57:55,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2024-11-28 04:57:55,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 313. [2024-11-28 04:57:55,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 227 states have (on average 1.669603524229075) internal successors, (379), 301 states have internal predecessors, (379), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 04:57:55,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 397 transitions. [2024-11-28 04:57:55,610 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 397 transitions. Word has length 33 [2024-11-28 04:57:55,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:57:55,611 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 397 transitions. [2024-11-28 04:57:55,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:57:55,611 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 397 transitions. [2024-11-28 04:57:55,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-28 04:57:55,612 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:57:55,612 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 04:57:55,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 04:57:55,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-28 04:57:55,813 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-28 04:57:55,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:57:55,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1708421245, now seen corresponding path program 1 times [2024-11-28 04:57:55,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:57:55,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027739258] [2024-11-28 04:57:55,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:55,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:57:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:57:56,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 04:57:56,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:57:56,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027739258] [2024-11-28 04:57:56,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027739258] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:57:56,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95321713] [2024-11-28 04:57:56,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:56,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:57:56,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:57:56,157 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:57:56,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 04:57:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:57:56,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 04:57:56,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:57:56,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 04:57:56,717 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:57:57,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 04:57:57,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95321713] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:57:57,084 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:57:57,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-28 04:57:57,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314617488] [2024-11-28 04:57:57,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:57:57,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:57:57,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:57:57,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:57:57,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:57:57,086 INFO L87 Difference]: Start difference. First operand 313 states and 397 transitions. Second operand has 14 states, 13 states have (on average 6.0) internal successors, (78), 14 states have internal predecessors, (78), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 04:57:57,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:57:57,844 INFO L93 Difference]: Finished difference Result 430 states and 471 transitions. [2024-11-28 04:57:57,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:57:57,845 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.0) internal successors, (78), 14 states have internal predecessors, (78), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) Word has length 34 [2024-11-28 04:57:57,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:57:57,848 INFO L225 Difference]: With dead ends: 430 [2024-11-28 04:57:57,848 INFO L226 Difference]: Without dead ends: 427 [2024-11-28 04:57:57,848 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:57:57,849 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 689 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 1091 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:57:57,849 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [692 Valid, 1091 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 04:57:57,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-11-28 04:57:57,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 319. [2024-11-28 04:57:57,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 233 states have (on average 1.648068669527897) internal successors, (384), 307 states have internal predecessors, (384), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 04:57:57,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 402 transitions. [2024-11-28 04:57:57,876 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 402 transitions. Word has length 34 [2024-11-28 04:57:57,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:57:57,876 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 402 transitions. [2024-11-28 04:57:57,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.0) internal successors, (78), 14 states have internal predecessors, (78), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 04:57:57,876 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 402 transitions. [2024-11-28 04:57:57,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-28 04:57:57,877 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:57:57,877 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 04:57:57,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 04:57:58,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-28 04:57:58,081 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-28 04:57:58,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:57:58,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1115312127, now seen corresponding path program 1 times [2024-11-28 04:57:58,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:57:58,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892639483] [2024-11-28 04:57:58,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:58,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:57:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:57:58,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1266225524] [2024-11-28 04:57:58,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:58,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:57:58,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:57:58,117 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:57:58,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 04:57:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:57:58,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 04:57:58,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:57:58,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 04:57:58,502 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:57:58,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:57:58,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892639483] [2024-11-28 04:57:58,720 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:57:58,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266225524] [2024-11-28 04:57:58,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1266225524] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:57:58,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:57:58,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-28 04:57:58,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116268616] [2024-11-28 04:57:58,721 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:57:58,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:57:58,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:57:58,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:57:58,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:57:58,723 INFO L87 Difference]: Start difference. First operand 319 states and 402 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 04:58:02,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:58:02,837 INFO L93 Difference]: Finished difference Result 499 states and 616 transitions. [2024-11-28 04:58:02,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:58:02,838 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 36 [2024-11-28 04:58:02,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:58:02,841 INFO L225 Difference]: With dead ends: 499 [2024-11-28 04:58:02,841 INFO L226 Difference]: Without dead ends: 472 [2024-11-28 04:58:02,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:58:02,842 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 428 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:58:02,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 520 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-28 04:58:02,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2024-11-28 04:58:02,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 438. [2024-11-28 04:58:02,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 349 states have (on average 1.5501432664756447) internal successors, (541), 423 states have internal predecessors, (541), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 04:58:02,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 565 transitions. [2024-11-28 04:58:02,878 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 565 transitions. Word has length 36 [2024-11-28 04:58:02,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:58:02,882 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 565 transitions. [2024-11-28 04:58:02,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 04:58:02,883 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 565 transitions. [2024-11-28 04:58:02,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-28 04:58:02,883 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:58:02,883 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 04:58:02,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 04:58:03,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-28 04:58:03,084 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-28 04:58:03,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:58:03,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1926867071, now seen corresponding path program 1 times [2024-11-28 04:58:03,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:58:03,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352253746] [2024-11-28 04:58:03,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:03,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:58:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:58:03,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1975664272] [2024-11-28 04:58:03,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:03,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:58:03,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:58:03,110 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:58:03,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 04:58:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:58:03,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:58:03,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:58:03,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:58:03,192 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:58:03,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:58:03,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352253746] [2024-11-28 04:58:03,193 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:58:03,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975664272] [2024-11-28 04:58:03,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975664272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:58:03,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:58:03,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:58:03,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820990123] [2024-11-28 04:58:03,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:58:03,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:58:03,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:58:03,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:58:03,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:58:03,195 INFO L87 Difference]: Start difference. First operand 438 states and 565 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:58:03,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:58:03,491 INFO L93 Difference]: Finished difference Result 630 states and 798 transitions. [2024-11-28 04:58:03,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:58:03,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2024-11-28 04:58:03,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:58:03,494 INFO L225 Difference]: With dead ends: 630 [2024-11-28 04:58:03,494 INFO L226 Difference]: Without dead ends: 589 [2024-11-28 04:58:03,495 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:58:03,496 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 117 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:58:03,496 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 277 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:58:03,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2024-11-28 04:58:03,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 557. [2024-11-28 04:58:03,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 465 states have (on average 1.4903225806451612) internal successors, (693), 539 states have internal predecessors, (693), 15 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 04:58:03,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 723 transitions. [2024-11-28 04:58:03,534 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 723 transitions. Word has length 38 [2024-11-28 04:58:03,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:58:03,534 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 723 transitions. [2024-11-28 04:58:03,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:58:03,535 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 723 transitions. [2024-11-28 04:58:03,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-28 04:58:03,535 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:58:03,536 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 04:58:03,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 04:58:03,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-28 04:58:03,738 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-28 04:58:03,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:58:03,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1281840888, now seen corresponding path program 1 times [2024-11-28 04:58:03,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:58:03,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261306348] [2024-11-28 04:58:03,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:03,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:58:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:58:03,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:58:03,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:58:03,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261306348] [2024-11-28 04:58:03,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261306348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:58:03,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:58:03,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:58:03,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915476552] [2024-11-28 04:58:03,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:58:03,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:58:03,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:58:03,888 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:58:03,888 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:58:03,888 INFO L87 Difference]: Start difference. First operand 557 states and 723 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:58:04,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:58:04,032 INFO L93 Difference]: Finished difference Result 645 states and 824 transitions. [2024-11-28 04:58:04,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:58:04,033 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 56 [2024-11-28 04:58:04,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:58:04,036 INFO L225 Difference]: With dead ends: 645 [2024-11-28 04:58:04,036 INFO L226 Difference]: Without dead ends: 644 [2024-11-28 04:58:04,037 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:58:04,038 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 63 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:58:04,038 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 940 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:58:04,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2024-11-28 04:58:04,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 618. [2024-11-28 04:58:04,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 523 states have (on average 1.4780114722753346) internal successors, (773), 596 states have internal predecessors, (773), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 04:58:04,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 807 transitions. [2024-11-28 04:58:04,095 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 807 transitions. Word has length 56 [2024-11-28 04:58:04,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:58:04,096 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 807 transitions. [2024-11-28 04:58:04,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:58:04,096 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 807 transitions. [2024-11-28 04:58:04,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-28 04:58:04,098 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:58:04,098 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 04:58:04,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 04:58:04,099 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-28 04:58:04,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:58:04,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1082361990, now seen corresponding path program 1 times [2024-11-28 04:58:04,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:58:04,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623214040] [2024-11-28 04:58:04,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:04,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:58:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:58:04,246 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:58:04,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:58:04,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623214040] [2024-11-28 04:58:04,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623214040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:58:04,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:58:04,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:58:04,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349980669] [2024-11-28 04:58:04,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:58:04,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:58:04,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:58:04,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:58:04,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:58:04,248 INFO L87 Difference]: Start difference. First operand 618 states and 807 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:58:04,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:58:04,371 INFO L93 Difference]: Finished difference Result 1126 states and 1480 transitions. [2024-11-28 04:58:04,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:58:04,372 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 57 [2024-11-28 04:58:04,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:58:04,375 INFO L225 Difference]: With dead ends: 1126 [2024-11-28 04:58:04,375 INFO L226 Difference]: Without dead ends: 618 [2024-11-28 04:58:04,377 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:58:04,377 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 20 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:58:04,378 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 776 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:58:04,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-11-28 04:58:04,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 618. [2024-11-28 04:58:04,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 523 states have (on average 1.474187380497132) internal successors, (771), 596 states have internal predecessors, (771), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 04:58:04,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 805 transitions. [2024-11-28 04:58:04,425 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 805 transitions. Word has length 57 [2024-11-28 04:58:04,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:58:04,425 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 805 transitions. [2024-11-28 04:58:04,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:58:04,426 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 805 transitions. [2024-11-28 04:58:04,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-28 04:58:04,428 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:58:04,428 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1] [2024-11-28 04:58:04,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 04:58:04,428 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-28 04:58:04,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:58:04,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1653751556, now seen corresponding path program 1 times [2024-11-28 04:58:04,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:58:04,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163151179] [2024-11-28 04:58:04,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:04,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:58:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:58:04,539 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 04:58:04,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:58:04,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163151179] [2024-11-28 04:58:04,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163151179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:58:04,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:58:04,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:58:04,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200902628] [2024-11-28 04:58:04,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:58:04,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:58:04,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:58:04,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:58:04,541 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:58:04,541 INFO L87 Difference]: Start difference. First operand 618 states and 805 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 04:58:04,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:58:04,970 INFO L93 Difference]: Finished difference Result 651 states and 806 transitions. [2024-11-28 04:58:04,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:58:04,971 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 83 [2024-11-28 04:58:04,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:58:04,974 INFO L225 Difference]: With dead ends: 651 [2024-11-28 04:58:04,974 INFO L226 Difference]: Without dead ends: 650 [2024-11-28 04:58:04,975 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:58:04,975 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 82 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:58:04,976 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 379 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:58:04,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2024-11-28 04:58:05,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 618. [2024-11-28 04:58:05,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 523 states have (on average 1.468451242829828) internal successors, (768), 596 states have internal predecessors, (768), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 04:58:05,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 802 transitions. [2024-11-28 04:58:05,022 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 802 transitions. Word has length 83 [2024-11-28 04:58:05,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:58:05,022 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 802 transitions. [2024-11-28 04:58:05,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 04:58:05,022 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 802 transitions. [2024-11-28 04:58:05,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-28 04:58:05,023 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:58:05,023 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1] [2024-11-28 04:58:05,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 04:58:05,024 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-28 04:58:05,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:58:05,024 INFO L85 PathProgramCache]: Analyzing trace with hash -273309138, now seen corresponding path program 1 times [2024-11-28 04:58:05,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:58:05,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982146857] [2024-11-28 04:58:05,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:05,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:58:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:58:05,190 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 04:58:05,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:58:05,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982146857] [2024-11-28 04:58:05,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982146857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:58:05,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:58:05,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:58:05,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511507489] [2024-11-28 04:58:05,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:58:05,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:58:05,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:58:05,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:58:05,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:58:05,192 INFO L87 Difference]: Start difference. First operand 618 states and 802 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 04:58:05,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:58:05,844 INFO L93 Difference]: Finished difference Result 665 states and 824 transitions. [2024-11-28 04:58:05,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:58:05,844 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 84 [2024-11-28 04:58:05,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:58:05,848 INFO L225 Difference]: With dead ends: 665 [2024-11-28 04:58:05,848 INFO L226 Difference]: Without dead ends: 664 [2024-11-28 04:58:05,849 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:58:05,850 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 462 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:58:05,850 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 318 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 04:58:05,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2024-11-28 04:58:05,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 618. [2024-11-28 04:58:05,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 523 states have (on average 1.462715105162524) internal successors, (765), 596 states have internal predecessors, (765), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 04:58:05,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 799 transitions. [2024-11-28 04:58:05,905 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 799 transitions. Word has length 84 [2024-11-28 04:58:05,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:58:05,905 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 799 transitions. [2024-11-28 04:58:05,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 04:58:05,906 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 799 transitions. [2024-11-28 04:58:05,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-28 04:58:05,910 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:58:05,910 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1] [2024-11-28 04:58:05,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 04:58:05,911 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-28 04:58:05,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:58:05,911 INFO L85 PathProgramCache]: Analyzing trace with hash -273310676, now seen corresponding path program 1 times [2024-11-28 04:58:05,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:58:05,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368449235] [2024-11-28 04:58:05,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:05,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:58:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:58:06,135 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 04:58:06,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:58:06,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368449235] [2024-11-28 04:58:06,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368449235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:58:06,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:58:06,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:58:06,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818834144] [2024-11-28 04:58:06,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:58:06,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:58:06,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:58:06,138 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:58:06,138 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:58:06,138 INFO L87 Difference]: Start difference. First operand 618 states and 799 transitions. Second operand has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 04:58:06,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:58:06,346 INFO L93 Difference]: Finished difference Result 807 states and 1016 transitions. [2024-11-28 04:58:06,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 04:58:06,346 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 84 [2024-11-28 04:58:06,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:58:06,348 INFO L225 Difference]: With dead ends: 807 [2024-11-28 04:58:06,348 INFO L226 Difference]: Without dead ends: 299 [2024-11-28 04:58:06,349 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:58:06,351 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 84 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:58:06,352 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 570 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:58:06,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-28 04:58:06,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 242. [2024-11-28 04:58:06,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 198 states have (on average 1.2424242424242424) internal successors, (246), 230 states have internal predecessors, (246), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 04:58:06,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 260 transitions. [2024-11-28 04:58:06,379 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 260 transitions. Word has length 84 [2024-11-28 04:58:06,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:58:06,379 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 260 transitions. [2024-11-28 04:58:06,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 04:58:06,380 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 260 transitions. [2024-11-28 04:58:06,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-28 04:58:06,381 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:58:06,382 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2024-11-28 04:58:06,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 04:58:06,382 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-28 04:58:06,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:58:06,383 INFO L85 PathProgramCache]: Analyzing trace with hash 117303828, now seen corresponding path program 1 times [2024-11-28 04:58:06,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:58:06,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569969953] [2024-11-28 04:58:06,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:06,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:58:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:58:06,546 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 04:58:06,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:58:06,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569969953] [2024-11-28 04:58:06,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569969953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:58:06,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:58:06,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:58:06,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897497124] [2024-11-28 04:58:06,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:58:06,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:58:06,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:58:06,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:58:06,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:58:06,549 INFO L87 Difference]: Start difference. First operand 242 states and 260 transitions. Second operand has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 04:58:06,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:58:06,722 INFO L93 Difference]: Finished difference Result 279 states and 298 transitions. [2024-11-28 04:58:06,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 04:58:06,723 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 85 [2024-11-28 04:58:06,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:58:06,725 INFO L225 Difference]: With dead ends: 279 [2024-11-28 04:58:06,725 INFO L226 Difference]: Without dead ends: 278 [2024-11-28 04:58:06,726 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:58:06,726 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 30 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:58:06,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 787 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:58:06,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2024-11-28 04:58:06,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 269. [2024-11-28 04:58:06,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 223 states have (on average 1.2197309417040358) internal successors, (272), 255 states have internal predecessors, (272), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 04:58:06,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 288 transitions. [2024-11-28 04:58:06,755 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 288 transitions. Word has length 85 [2024-11-28 04:58:06,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:58:06,755 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 288 transitions. [2024-11-28 04:58:06,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 04:58:06,756 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 288 transitions. [2024-11-28 04:58:06,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-28 04:58:06,756 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:58:06,757 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2024-11-28 04:58:06,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 04:58:06,757 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-28 04:58:06,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:58:06,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1664853580, now seen corresponding path program 1 times [2024-11-28 04:58:06,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:58:06,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137973959] [2024-11-28 04:58:06,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:06,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:58:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:58:06,945 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 04:58:06,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:58:06,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137973959] [2024-11-28 04:58:06,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137973959] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:58:06,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26734828] [2024-11-28 04:58:06,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:06,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:58:06,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:58:06,948 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:58:06,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 04:58:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:58:07,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:58:07,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:58:07,237 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:58:07,238 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:58:07,485 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 04:58:07,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26734828] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:58:07,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:58:07,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2024-11-28 04:58:07,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028112652] [2024-11-28 04:58:07,486 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:58:07,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:58:07,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:58:07,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:58:07,488 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:58:07,488 INFO L87 Difference]: Start difference. First operand 269 states and 288 transitions. Second operand has 14 states, 13 states have (on average 11.76923076923077) internal successors, (153), 14 states have internal predecessors, (153), 6 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-28 04:58:07,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:58:07,799 INFO L93 Difference]: Finished difference Result 383 states and 410 transitions. [2024-11-28 04:58:07,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 04:58:07,800 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 11.76923076923077) internal successors, (153), 14 states have internal predecessors, (153), 6 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 89 [2024-11-28 04:58:07,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:58:07,802 INFO L225 Difference]: With dead ends: 383 [2024-11-28 04:58:07,802 INFO L226 Difference]: Without dead ends: 382 [2024-11-28 04:58:07,803 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2024-11-28 04:58:07,804 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 93 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 1088 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:58:07,804 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 1088 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:58:07,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-28 04:58:07,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 340. [2024-11-28 04:58:07,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 290 states have (on average 1.2793103448275862) internal successors, (371), 322 states have internal predecessors, (371), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 04:58:07,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 391 transitions. [2024-11-28 04:58:07,843 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 391 transitions. Word has length 89 [2024-11-28 04:58:07,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:58:07,843 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 391 transitions. [2024-11-28 04:58:07,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 11.76923076923077) internal successors, (153), 14 states have internal predecessors, (153), 6 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-28 04:58:07,844 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 391 transitions. [2024-11-28 04:58:07,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-28 04:58:07,845 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:58:07,845 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2024-11-28 04:58:07,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-28 04:58:08,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:58:08,047 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-28 04:58:08,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:58:08,048 INFO L85 PathProgramCache]: Analyzing trace with hash 594365811, now seen corresponding path program 1 times [2024-11-28 04:58:08,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:58:08,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807549572] [2024-11-28 04:58:08,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:08,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:58:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:58:08,273 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 04:58:08,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:58:08,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807549572] [2024-11-28 04:58:08,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807549572] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:58:08,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517810776] [2024-11-28 04:58:08,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:08,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:58:08,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:58:08,276 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:58:08,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 04:58:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:58:08,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 04:58:08,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:58:08,520 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:58:08,520 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:58:08,791 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 04:58:08,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [517810776] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:58:08,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:58:08,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 9] total 17 [2024-11-28 04:58:08,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491402981] [2024-11-28 04:58:08,792 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:58:08,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 04:58:08,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:58:08,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 04:58:08,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2024-11-28 04:58:08,794 INFO L87 Difference]: Start difference. First operand 340 states and 391 transitions. Second operand has 18 states, 17 states have (on average 9.0) internal successors, (153), 18 states have internal predecessors, (153), 6 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-28 04:58:09,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:58:09,234 INFO L93 Difference]: Finished difference Result 443 states and 487 transitions. [2024-11-28 04:58:09,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-28 04:58:09,235 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 9.0) internal successors, (153), 18 states have internal predecessors, (153), 6 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 89 [2024-11-28 04:58:09,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:58:09,238 INFO L225 Difference]: With dead ends: 443 [2024-11-28 04:58:09,238 INFO L226 Difference]: Without dead ends: 440 [2024-11-28 04:58:09,239 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=215, Invalid=777, Unknown=0, NotChecked=0, Total=992 [2024-11-28 04:58:09,240 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 119 mSDsluCounter, 1151 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 1273 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:58:09,240 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 1273 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:58:09,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-11-28 04:58:09,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 418. [2024-11-28 04:58:09,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 364 states have (on average 1.228021978021978) internal successors, (447), 396 states have internal predecessors, (447), 12 states have call successors, (12), 9 states have call predecessors, (12), 9 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 04:58:09,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 471 transitions. [2024-11-28 04:58:09,288 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 471 transitions. Word has length 89 [2024-11-28 04:58:09,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:58:09,289 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 471 transitions. [2024-11-28 04:58:09,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 9.0) internal successors, (153), 18 states have internal predecessors, (153), 6 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-28 04:58:09,289 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 471 transitions. [2024-11-28 04:58:09,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-28 04:58:09,292 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:58:09,292 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2024-11-28 04:58:09,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-28 04:58:09,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:58:09,497 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-28 04:58:09,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:58:09,498 INFO L85 PathProgramCache]: Analyzing trace with hash -2098506895, now seen corresponding path program 1 times [2024-11-28 04:58:09,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:58:09,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368002506] [2024-11-28 04:58:09,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:09,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:58:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:58:09,673 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 04:58:09,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:58:09,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368002506] [2024-11-28 04:58:09,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368002506] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:58:09,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889186758] [2024-11-28 04:58:09,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:09,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:58:09,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:58:09,677 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:58:09,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 04:58:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:58:09,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:58:09,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:58:09,931 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:58:09,931 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:58:10,108 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 04:58:10,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889186758] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:58:10,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:58:10,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 8 [2024-11-28 04:58:10,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842098780] [2024-11-28 04:58:10,109 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:58:10,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:58:10,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:58:10,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:58:10,110 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:58:10,110 INFO L87 Difference]: Start difference. First operand 418 states and 471 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 3 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 04:58:10,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:58:10,261 INFO L93 Difference]: Finished difference Result 550 states and 613 transitions. [2024-11-28 04:58:10,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:58:10,262 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 3 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 91 [2024-11-28 04:58:10,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:58:10,264 INFO L225 Difference]: With dead ends: 550 [2024-11-28 04:58:10,264 INFO L226 Difference]: Without dead ends: 348 [2024-11-28 04:58:10,264 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 177 SyntacticMatches, 5 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:58:10,269 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 16 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:58:10,270 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 630 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:58:10,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-28 04:58:10,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2024-11-28 04:58:10,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 298 states have (on average 1.1711409395973154) internal successors, (349), 330 states have internal predecessors, (349), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 04:58:10,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 369 transitions. [2024-11-28 04:58:10,301 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 369 transitions. Word has length 91 [2024-11-28 04:58:10,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:58:10,302 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 369 transitions. [2024-11-28 04:58:10,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 3 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 04:58:10,302 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 369 transitions. [2024-11-28 04:58:10,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-28 04:58:10,303 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:58:10,303 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:58:10,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-28 04:58:10,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:58:10,504 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-28 04:58:10,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:58:10,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1389893611, now seen corresponding path program 1 times [2024-11-28 04:58:10,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:58:10,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527392433] [2024-11-28 04:58:10,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:10,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:58:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:58:10,677 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 04:58:10,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:58:10,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527392433] [2024-11-28 04:58:10,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527392433] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:58:10,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291131239] [2024-11-28 04:58:10,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:10,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:58:10,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:58:10,680 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:58:10,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-28 04:58:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:58:10,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:58:10,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:58:10,815 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-28 04:58:10,815 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:58:10,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1291131239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:58:10,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:58:10,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 12 [2024-11-28 04:58:10,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857373972] [2024-11-28 04:58:10,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:58:10,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:58:10,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:58:10,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:58:10,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:58:10,817 INFO L87 Difference]: Start difference. First operand 348 states and 369 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 04:58:10,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:58:10,957 INFO L93 Difference]: Finished difference Result 575 states and 614 transitions. [2024-11-28 04:58:10,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:58:10,958 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 99 [2024-11-28 04:58:10,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:58:10,961 INFO L225 Difference]: With dead ends: 575 [2024-11-28 04:58:10,961 INFO L226 Difference]: Without dead ends: 379 [2024-11-28 04:58:10,961 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:58:10,962 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 28 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:58:10,962 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 733 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:58:10,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-11-28 04:58:10,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 348. [2024-11-28 04:58:10,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 301 states have (on average 1.1528239202657806) internal successors, (347), 330 states have internal predecessors, (347), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 04:58:10,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 367 transitions. [2024-11-28 04:58:10,994 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 367 transitions. Word has length 99 [2024-11-28 04:58:10,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:58:10,994 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 367 transitions. [2024-11-28 04:58:10,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 04:58:10,995 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 367 transitions. [2024-11-28 04:58:10,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-28 04:58:10,996 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:58:10,996 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:58:11,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-28 04:58:11,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:58:11,200 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr87ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-28 04:58:11,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:58:11,200 INFO L85 PathProgramCache]: Analyzing trace with hash 752488715, now seen corresponding path program 1 times [2024-11-28 04:58:11,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:58:11,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450706322] [2024-11-28 04:58:11,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:11,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:58:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:58:11,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [376763477] [2024-11-28 04:58:11,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:11,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:58:11,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:58:11,233 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:58:11,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-28 04:58:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:58:11,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:58:11,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:58:11,426 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 04:58:11,426 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:58:11,649 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 04:58:11,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:58:11,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450706322] [2024-11-28 04:58:11,649 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:58:11,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376763477] [2024-11-28 04:58:11,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376763477] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:58:11,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:58:11,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-28 04:58:11,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475310645] [2024-11-28 04:58:11,650 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:58:11,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:58:11,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:58:11,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:58:11,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:58:11,651 INFO L87 Difference]: Start difference. First operand 348 states and 367 transitions. Second operand has 6 states, 5 states have (on average 32.6) internal successors, (163), 6 states have internal predecessors, (163), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 04:58:12,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:58:12,098 INFO L93 Difference]: Finished difference Result 579 states and 657 transitions. [2024-11-28 04:58:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:58:12,099 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 32.6) internal successors, (163), 6 states have internal predecessors, (163), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 104 [2024-11-28 04:58:12,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:58:12,102 INFO L225 Difference]: With dead ends: 579 [2024-11-28 04:58:12,102 INFO L226 Difference]: Without dead ends: 528 [2024-11-28 04:58:12,103 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:58:12,103 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 225 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:58:12,104 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 393 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:58:12,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2024-11-28 04:58:12,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 472. [2024-11-28 04:58:12,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 436 states have (on average 1.165137614678899) internal successors, (508), 450 states have internal predecessors, (508), 14 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-28 04:58:12,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 536 transitions. [2024-11-28 04:58:12,152 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 536 transitions. Word has length 104 [2024-11-28 04:58:12,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:58:12,154 INFO L471 AbstractCegarLoop]: Abstraction has 472 states and 536 transitions. [2024-11-28 04:58:12,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 32.6) internal successors, (163), 6 states have internal predecessors, (163), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 04:58:12,154 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 536 transitions. [2024-11-28 04:58:12,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-28 04:58:12,157 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:58:12,157 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 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] [2024-11-28 04:58:12,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-28 04:58:12,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:58:12,361 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-28 04:58:12,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:58:12,361 INFO L85 PathProgramCache]: Analyzing trace with hash -777964433, now seen corresponding path program 1 times [2024-11-28 04:58:12,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:58:12,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606438692] [2024-11-28 04:58:12,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:12,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:58:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:58:12,439 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 04:58:12,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:58:12,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606438692] [2024-11-28 04:58:12,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606438692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:58:12,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:58:12,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:58:12,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350137791] [2024-11-28 04:58:12,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:58:12,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:58:12,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:58:12,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:58:12,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:58:12,443 INFO L87 Difference]: Start difference. First operand 472 states and 536 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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) [2024-11-28 04:58:12,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:58:12,507 INFO L93 Difference]: Finished difference Result 490 states and 550 transitions. [2024-11-28 04:58:12,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:58:12,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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 149 [2024-11-28 04:58:12,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:58:12,509 INFO L225 Difference]: With dead ends: 490 [2024-11-28 04:58:12,509 INFO L226 Difference]: Without dead ends: 215 [2024-11-28 04:58:12,510 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:58:12,510 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 4 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:58:12,514 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 190 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:58:12,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-28 04:58:12,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2024-11-28 04:58:12,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 197 states have (on average 1.0253807106598984) internal successors, (202), 199 states have internal predecessors, (202), 8 states have call successors, (8), 7 states have call predecessors, (8), 7 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 04:58:12,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 218 transitions. [2024-11-28 04:58:12,548 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 218 transitions. Word has length 149 [2024-11-28 04:58:12,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:58:12,549 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 218 transitions. [2024-11-28 04:58:12,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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) [2024-11-28 04:58:12,549 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 218 transitions. [2024-11-28 04:58:12,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-28 04:58:12,551 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:58:12,551 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 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, 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] [2024-11-28 04:58:12,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-28 04:58:12,552 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-28 04:58:12,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:58:12,553 INFO L85 PathProgramCache]: Analyzing trace with hash 132329036, now seen corresponding path program 1 times [2024-11-28 04:58:12,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:58:12,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664362934] [2024-11-28 04:58:12,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:12,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:58:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:58:12,834 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-28 04:58:12,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:58:12,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664362934] [2024-11-28 04:58:12,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664362934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:58:12,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:58:12,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:58:12,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274841180] [2024-11-28 04:58:12,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:58:12,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:58:12,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:58:12,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:58:12,837 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:58:12,838 INFO L87 Difference]: Start difference. First operand 215 states and 218 transitions. Second operand has 7 states, 7 states have (on average 21.142857142857142) internal successors, (148), 7 states have internal predecessors, (148), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-28 04:58:12,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:58:12,918 INFO L93 Difference]: Finished difference Result 215 states and 218 transitions. [2024-11-28 04:58:12,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:58:12,918 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.142857142857142) internal successors, (148), 7 states have internal predecessors, (148), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 177 [2024-11-28 04:58:12,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:58:12,919 INFO L225 Difference]: With dead ends: 215 [2024-11-28 04:58:12,919 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 04:58:12,921 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:58:12,922 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 3 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:58:12,922 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 369 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:58:12,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 04:58:12,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 04:58:12,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:58:12,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 04:58:12,926 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 177 [2024-11-28 04:58:12,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:58:12,926 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:58:12,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.142857142857142) internal successors, (148), 7 states have internal predecessors, (148), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-28 04:58:12,926 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 04:58:12,927 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 04:58:12,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (97 of 98 remaining) [2024-11-28 04:58:12,932 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (96 of 98 remaining) [2024-11-28 04:58:12,932 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (95 of 98 remaining) [2024-11-28 04:58:12,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (94 of 98 remaining) [2024-11-28 04:58:12,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (93 of 98 remaining) [2024-11-28 04:58:12,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (92 of 98 remaining) [2024-11-28 04:58:12,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (91 of 98 remaining) [2024-11-28 04:58:12,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (90 of 98 remaining) [2024-11-28 04:58:12,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (89 of 98 remaining) [2024-11-28 04:58:12,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (88 of 98 remaining) [2024-11-28 04:58:12,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (87 of 98 remaining) [2024-11-28 04:58:12,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (86 of 98 remaining) [2024-11-28 04:58:12,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 98 remaining) [2024-11-28 04:58:12,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 98 remaining) [2024-11-28 04:58:12,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 98 remaining) [2024-11-28 04:58:12,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 98 remaining) [2024-11-28 04:58:12,935 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 98 remaining) [2024-11-28 04:58:12,935 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 98 remaining) [2024-11-28 04:58:12,935 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 98 remaining) [2024-11-28 04:58:12,935 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 98 remaining) [2024-11-28 04:58:12,935 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 98 remaining) [2024-11-28 04:58:12,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 98 remaining) [2024-11-28 04:58:12,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 98 remaining) [2024-11-28 04:58:12,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 98 remaining) [2024-11-28 04:58:12,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 98 remaining) [2024-11-28 04:58:12,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 98 remaining) [2024-11-28 04:58:12,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 98 remaining) [2024-11-28 04:58:12,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 98 remaining) [2024-11-28 04:58:12,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 98 remaining) [2024-11-28 04:58:12,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 98 remaining) [2024-11-28 04:58:12,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 98 remaining) [2024-11-28 04:58:12,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 98 remaining) [2024-11-28 04:58:12,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 98 remaining) [2024-11-28 04:58:12,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 98 remaining) [2024-11-28 04:58:12,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 98 remaining) [2024-11-28 04:58:12,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 98 remaining) [2024-11-28 04:58:12,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 98 remaining) [2024-11-28 04:58:12,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 98 remaining) [2024-11-28 04:58:12,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 98 remaining) [2024-11-28 04:58:12,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 98 remaining) [2024-11-28 04:58:12,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 98 remaining) [2024-11-28 04:58:12,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 98 remaining) [2024-11-28 04:58:12,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 98 remaining) [2024-11-28 04:58:12,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 98 remaining) [2024-11-28 04:58:12,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 98 remaining) [2024-11-28 04:58:12,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 98 remaining) [2024-11-28 04:58:12,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 98 remaining) [2024-11-28 04:58:12,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 98 remaining) [2024-11-28 04:58:12,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 98 remaining) [2024-11-28 04:58:12,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 98 remaining) [2024-11-28 04:58:12,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 98 remaining) [2024-11-28 04:58:12,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 98 remaining) [2024-11-28 04:58:12,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 98 remaining) [2024-11-28 04:58:12,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 98 remaining) [2024-11-28 04:58:12,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 98 remaining) [2024-11-28 04:58:12,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 98 remaining) [2024-11-28 04:58:12,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 98 remaining) [2024-11-28 04:58:12,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 98 remaining) [2024-11-28 04:58:12,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 98 remaining) [2024-11-28 04:58:12,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 98 remaining) [2024-11-28 04:58:12,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 98 remaining) [2024-11-28 04:58:12,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 98 remaining) [2024-11-28 04:58:12,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 98 remaining) [2024-11-28 04:58:12,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 98 remaining) [2024-11-28 04:58:12,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 98 remaining) [2024-11-28 04:58:12,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 98 remaining) [2024-11-28 04:58:12,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 98 remaining) [2024-11-28 04:58:12,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 98 remaining) [2024-11-28 04:58:12,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 98 remaining) [2024-11-28 04:58:12,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 98 remaining) [2024-11-28 04:58:12,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 98 remaining) [2024-11-28 04:58:12,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr71ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 98 remaining) [2024-11-28 04:58:12,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 98 remaining) [2024-11-28 04:58:12,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 98 remaining) [2024-11-28 04:58:12,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 98 remaining) [2024-11-28 04:58:12,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr75ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 98 remaining) [2024-11-28 04:58:12,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 98 remaining) [2024-11-28 04:58:12,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 98 remaining) [2024-11-28 04:58:12,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 98 remaining) [2024-11-28 04:58:12,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 98 remaining) [2024-11-28 04:58:12,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 98 remaining) [2024-11-28 04:58:12,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 98 remaining) [2024-11-28 04:58:12,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 98 remaining) [2024-11-28 04:58:12,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 98 remaining) [2024-11-28 04:58:12,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 98 remaining) [2024-11-28 04:58:12,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 98 remaining) [2024-11-28 04:58:12,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr86ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 98 remaining) [2024-11-28 04:58:12,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr87ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 98 remaining) [2024-11-28 04:58:12,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr88ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 98 remaining) [2024-11-28 04:58:12,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr89ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 98 remaining) [2024-11-28 04:58:12,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr90ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 98 remaining) [2024-11-28 04:58:12,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr91ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 98 remaining) [2024-11-28 04:58:12,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr92ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 98 remaining) [2024-11-28 04:58:12,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr93ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 98 remaining) [2024-11-28 04:58:12,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr94ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 98 remaining) [2024-11-28 04:58:12,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr95ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 98 remaining) [2024-11-28 04:58:12,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr96ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 98 remaining) [2024-11-28 04:58:12,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr97ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 98 remaining) [2024-11-28 04:58:12,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-28 04:58:12,951 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:58:12,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 04:58:21,554 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification. DAG size of input: 69 DAG size of output: 49 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-28 04:58:29,966 WARN L286 SmtUtils]: Spent 8.40s on a formula simplification. DAG size of input: 68 DAG size of output: 52 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-28 04:58:30,326 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:58:30,353 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 04:58:30,357 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 04:58:30,358 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 04:58:30,358 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 04:58:30,365 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 04:58:30,368 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 04:58:30,369 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 04:58:30,369 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 04:58:30,370 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 04:58:30,372 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 04:58:30,379 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 04:58:30,379 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 04:58:30,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:58:30 BoogieIcfgContainer [2024-11-28 04:58:30,380 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:58:30,381 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:58:30,381 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:58:30,381 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:58:30,382 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:57:51" (3/4) ... [2024-11-28 04:58:30,385 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:58:30,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-28 04:58:30,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-28 04:58:30,410 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-28 04:58:30,410 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 04:58:30,411 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 04:58:30,411 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:58:30,554 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:58:30,555 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:58:30,555 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:58:30,556 INFO L158 Benchmark]: Toolchain (without parser) took 40682.20ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.9MB in the beginning and 195.6MB in the end (delta: -101.6MB). Peak memory consumption was 131.6MB. Max. memory is 16.1GB. [2024-11-28 04:58:30,556 INFO L158 Benchmark]: CDTParser took 0.92ms. Allocated memory is still 167.8MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:58:30,557 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.86ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 82.0MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:58:30,557 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.05ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:58:30,557 INFO L158 Benchmark]: Boogie Preprocessor took 51.37ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 78.9MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:58:30,558 INFO L158 Benchmark]: RCFGBuilder took 1009.92ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 50.9MB in the end (delta: 28.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 04:58:30,558 INFO L158 Benchmark]: TraceAbstraction took 39071.54ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 50.5MB in the beginning and 200.0MB in the end (delta: -149.5MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. [2024-11-28 04:58:30,558 INFO L158 Benchmark]: Witness Printer took 174.10ms. Allocated memory is still 352.3MB. Free memory was 200.0MB in the beginning and 195.6MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:58:30,560 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92ms. Allocated memory is still 167.8MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.86ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 82.0MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.05ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.37ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 78.9MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1009.92ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 50.9MB in the end (delta: 28.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 39071.54ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 50.5MB in the beginning and 200.0MB in the end (delta: -149.5MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. * Witness Printer took 174.10ms. Allocated memory is still 352.3MB. Free memory was 200.0MB in the beginning and 195.6MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 227 locations, 98 error locations. Started 1 CEGAR loops. OverallTime: 21.6s, OverallIterations: 26, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3383 SdHoareTripleChecker+Valid, 8.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3342 mSDsluCounter, 14563 SdHoareTripleChecker+Invalid, 7.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10436 mSDsCounter, 183 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3314 IncrementalHoareTripleChecker+Invalid, 3497 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 183 mSolverCounterUnsat, 4127 mSDtfsCounter, 3314 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1242 GetRequests, 1061 SyntacticMatches, 5 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=618occurred in iteration=14, InterpolantAutomatonStates: 178, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 26 MinimizatonAttempts, 688 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 2246 NumberOfCodeBlocks, 2246 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 2372 ConstructedInterpolants, 15 QuantifiedInterpolants, 8022 SizeOfPredicates, 22 NumberOfNonLiveVariables, 1246 ConjunctsInSsa, 69 ConjunctsInUnsatCore, 37 InterpolantComputations, 20 PerfectInterpolantSequences, 426/495 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 98 specifications checked. All of them hold - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: (((((((((((((__int128) u + 1) >= 0) ? (((__int128) u + 1) % 2) : ((((__int128) u + 1) % 2) + 2)) == 0) && (((A >= 0) ? (A % 2) : ((A % 2) + 2)) == 1)) && ((((((__int128) -1 + u) >= 0) ? (((__int128) -1 + u) / 2) : ((((__int128) -1 + u) / 2) - 1)) * ((((__int128) -1 + u) >= 0) ? (((__int128) -1 + u) / 2) : ((((__int128) -1 + u) / 2) - 1))) <= ((__int128) u + 2147483644))) && (v == 1)) && (counter <= 2147483645)) && (A <= 2147483647)) && (3 <= counter)) || (((((((((((__int128) u + 1) >= 0) ? (((__int128) u + 1) % 2) : ((((__int128) u + 1) % 2) + 2)) == 0) && (((A >= 0) ? (A % 2) : ((A % 2) + 2)) == 1)) && ((((((__int128) -1 + u) >= 0) ? (((__int128) -1 + u) / 2) : ((((__int128) -1 + u) / 2) - 1)) * ((((__int128) -1 + u) >= 0) ? (((__int128) -1 + u) / 2) : ((((__int128) -1 + u) / 2) - 1))) <= ((__int128) u + 2147483644))) && (v == 1)) && (r <= 0)) && (A <= 2147483647)) && (counter == 2))) || ((((((((((((__int128) u + 1) >= 0) ? (((__int128) u + 1) % 2) : ((((__int128) u + 1) % 2) + 2)) == 0) && (((A >= 0) ? (A % 2) : ((A % 2) + 2)) == 1)) && ((((((__int128) -1 + u) >= 0) ? (((__int128) -1 + u) / 2) : ((((__int128) -1 + u) / 2) - 1)) * ((((__int128) -1 + u) >= 0) ? (((__int128) -1 + u) / 2) : ((((__int128) -1 + u) / 2) - 1))) <= ((__int128) u + 2147483644))) && (3 == v)) && (counter <= 2147483645)) && (A <= 2147483647)) && (0 <= A)) && (3 <= counter))) - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: ((((((((((counter == 3) && (((((__int128) u + 1) >= 0) ? (((__int128) u + 1) % 2) : ((((__int128) u + 1) % 2) + 2)) == 0)) && (((A >= 0) ? (A % 2) : ((A % 2) + 2)) == 1)) && ((((((__int128) -1 + u) >= 0) ? (((__int128) -1 + u) / 2) : ((((__int128) -1 + u) / 2) - 1)) * ((((__int128) -1 + u) >= 0) ? (((__int128) -1 + u) / 2) : ((((__int128) -1 + u) / 2) - 1))) <= ((__int128) u + 2147483644))) && (v == 1)) && (r <= 0)) && (A <= 2147483647)) || (((((((((((__int128) u + 1) >= 0) ? (((__int128) u + 1) % 2) : ((((__int128) u + 1) % 2) + 2)) == 0) && (((A >= 0) ? (A % 2) : ((A % 2) + 2)) == 1)) && ((((((__int128) -1 + u) >= 0) ? (((__int128) -1 + u) / 2) : ((((__int128) -1 + u) / 2) - 1)) * ((((__int128) -1 + u) >= 0) ? (((__int128) -1 + u) / 2) : ((((__int128) -1 + u) / 2) - 1))) <= ((__int128) u + 2147483644))) && (v == 1)) && (A <= 2147483647)) && (4 <= counter)) && (counter <= 2147483646))) || ((((((((((((__int128) u + 1) >= 0) ? (((__int128) u + 1) % 2) : ((((__int128) u + 1) % 2) + 2)) == 0) && (((A >= 0) ? (A % 2) : ((A % 2) + 2)) == 1)) && ((((((__int128) -1 + u) >= 0) ? (((__int128) -1 + u) / 2) : ((((__int128) -1 + u) / 2) - 1)) * ((((__int128) -1 + u) >= 0) ? (((__int128) -1 + u) / 2) : ((((__int128) -1 + u) / 2) - 1))) <= ((__int128) u + 2147483644))) && (3 == v)) && (A <= 2147483647)) && (4 <= counter)) && (counter <= 2147483646)) && (0 <= A))) || ((((((((((__int128) u + 1) >= 0) ? (((__int128) u + 1) % 2) : ((((__int128) u + 1) % 2) + 2)) == 0) && (((A >= 0) ? (A % 2) : ((A % 2) + 2)) == 1)) && ((((((__int128) -1 + u) >= 0) ? (((__int128) -1 + u) / 2) : ((((__int128) -1 + u) / 2) - 1)) * ((((__int128) -1 + u) >= 0) ? (((__int128) -1 + u) / 2) : ((((__int128) -1 + u) / 2) - 1))) <= ((__int128) u + 2147483644))) && (v == 1)) && (counter == 0)) && (A <= 2147483647))) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((((((((__int128) u + 1) >= 0) ? (((__int128) u + 1) % 2) : ((((__int128) u + 1) % 2) + 2)) == 0) && (((A >= 0) ? (A % 2) : ((A % 2) + 2)) == 1)) && ((((((__int128) -1 + u) >= 0) ? (((__int128) -1 + u) / 2) : ((((__int128) -1 + u) / 2) - 1)) * ((((__int128) -1 + u) >= 0) ? (((__int128) -1 + u) / 2) : ((((__int128) -1 + u) / 2) - 1))) <= ((__int128) u + 2147483644))) && (v == 1)) && (A <= 2147483647)) && (counter == 1)) || (((((((((((__int128) u + 1) >= 0) ? (((__int128) u + 1) % 2) : ((((__int128) u + 1) % 2) + 2)) == 0) && (((A >= 0) ? (A % 2) : ((A % 2) + 2)) == 1)) && ((((((__int128) -1 + u) >= 0) ? (((__int128) -1 + u) / 2) : ((((__int128) -1 + u) / 2) - 1)) * ((((__int128) -1 + u) >= 0) ? (((__int128) -1 + u) / 2) : ((((__int128) -1 + u) / 2) - 1))) <= ((__int128) u + 2147483644))) && (3 == v)) && (A <= 2147483647)) && (0 <= A)) && (counter == 2))) RESULT: Ultimate proved your program to be correct! [2024-11-28 04:58:30,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59badf71-1af9-4472-bee4-e7978169e2de/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE