./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound20.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_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/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_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/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_b3aae5a5-ece4-4593-a285-a39199312381/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 b0dc7e6cdf006545b97e616af165994b39a2e54c024b52d6607380c5e84ee914 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:38:27,918 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:38:27,991 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-27 23:38:28,000 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:38:28,001 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:38:28,030 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:38:28,031 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:38:28,031 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:38:28,032 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:38:28,032 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:38:28,032 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:38:28,032 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:38:28,033 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:38:28,033 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:38:28,033 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:38:28,033 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:38:28,033 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:38:28,033 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:38:28,033 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:38:28,034 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:38:28,034 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:38:28,034 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:38:28,034 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:38:28,034 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:38:28,034 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-27 23:38:28,034 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 23:38:28,035 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:38:28,035 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:38:28,035 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:38:28,035 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:38:28,035 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:38:28,035 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:38:28,035 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:38:28,036 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:38:28,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:38:28,036 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:38:28,036 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:38:28,036 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:38:28,036 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:38:28,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:38:28,037 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:38:28,037 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:38:28,037 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:38:28,037 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:38:28,037 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:38:28,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:38:28,038 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:38:28,038 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:38:28,038 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:38:28,038 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:38:28,038 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_b3aae5a5-ece4-4593-a285-a39199312381/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 -> b0dc7e6cdf006545b97e616af165994b39a2e54c024b52d6607380c5e84ee914 [2024-11-27 23:38:28,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:38:28,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:38:28,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:38:28,372 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:38:28,372 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:38:28,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound20.c [2024-11-27 23:38:31,510 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/data/6bd1a910a/2e038678701f489bbdc984b0642192ed/FLAG9de3dc31d [2024-11-27 23:38:31,837 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:38:31,842 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound20.c [2024-11-27 23:38:31,856 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/data/6bd1a910a/2e038678701f489bbdc984b0642192ed/FLAG9de3dc31d [2024-11-27 23:38:31,885 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/data/6bd1a910a/2e038678701f489bbdc984b0642192ed [2024-11-27 23:38:31,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:38:31,894 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:38:31,900 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:38:31,900 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:38:31,925 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:38:31,930 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:38:31" (1/1) ... [2024-11-27 23:38:31,931 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d2cd99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:31, skipping insertion in model container [2024-11-27 23:38:31,932 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:38:31" (1/1) ... [2024-11-27 23:38:31,964 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:38:32,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:38:32,174 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:38:32,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:38:32,219 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:38:32,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:32 WrapperNode [2024-11-27 23:38:32,219 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:38:32,221 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:38:32,221 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:38:32,221 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:38:32,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:32" (1/1) ... [2024-11-27 23:38:32,249 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:32" (1/1) ... [2024-11-27 23:38:32,280 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2024-11-27 23:38:32,284 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:38:32,284 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:38:32,285 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:38:32,285 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:38:32,297 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:32" (1/1) ... [2024-11-27 23:38:32,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:32" (1/1) ... [2024-11-27 23:38:32,305 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:32" (1/1) ... [2024-11-27 23:38:32,330 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-11-27 23:38:32,333 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:32" (1/1) ... [2024-11-27 23:38:32,334 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:32" (1/1) ... [2024-11-27 23:38:32,338 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:32" (1/1) ... [2024-11-27 23:38:32,342 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:32" (1/1) ... [2024-11-27 23:38:32,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:32" (1/1) ... [2024-11-27 23:38:32,351 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:32" (1/1) ... [2024-11-27 23:38:32,353 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:32" (1/1) ... [2024-11-27 23:38:32,355 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:38:32,360 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:38:32,360 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:38:32,361 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:38:32,362 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:32" (1/1) ... [2024-11-27 23:38:32,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:38:32,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:38:32,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:38:32,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:38:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:38:32,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 23:38:32,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 23:38:32,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:38:32,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:38:32,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-27 23:38:32,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-27 23:38:32,525 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:38:32,527 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:38:32,921 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2024-11-27 23:38:32,921 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:38:32,939 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:38:32,939 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 23:38:32,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:38:32 BoogieIcfgContainer [2024-11-27 23:38:32,940 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:38:32,942 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:38:32,942 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:38:32,949 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:38:32,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:38:31" (1/3) ... [2024-11-27 23:38:32,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f2af9a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:38:32, skipping insertion in model container [2024-11-27 23:38:32,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:32" (2/3) ... [2024-11-27 23:38:32,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f2af9a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:38:32, skipping insertion in model container [2024-11-27 23:38:32,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:38:32" (3/3) ... [2024-11-27 23:38:32,952 INFO L128 eAbstractionObserver]: Analyzing ICFG hard2_unwindbound20.c [2024-11-27 23:38:32,970 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:38:32,972 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hard2_unwindbound20.c that has 2 procedures, 82 locations, 1 initial locations, 2 loop locations, and 28 error locations. [2024-11-27 23:38:33,047 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:38:33,066 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;@1c4610c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:38:33,067 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-27 23:38:33,071 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 45 states have (on average 1.8) internal successors, (81), 73 states have internal predecessors, (81), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-27 23:38:33,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-27 23:38:33,079 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:33,080 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-27 23:38:33,081 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:38:33,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:33,089 INFO L85 PathProgramCache]: Analyzing trace with hash 925636, now seen corresponding path program 1 times [2024-11-27 23:38:33,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:33,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639389498] [2024-11-27 23:38:33,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:33,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:33,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:38:33,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:33,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639389498] [2024-11-27 23:38:33,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639389498] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:33,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:33,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:38:33,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403836678] [2024-11-27 23:38:33,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:33,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:38:33,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:33,401 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:38:33,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:38:33,406 INFO L87 Difference]: Start difference. First operand has 82 states, 45 states have (on average 1.8) internal successors, (81), 73 states have internal predecessors, (81), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 4 states, 3 states have (on average 1.3333333333333333) 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) [2024-11-27 23:38:33,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:33,530 INFO L93 Difference]: Finished difference Result 165 states and 202 transitions. [2024-11-27 23:38:33,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:38:33,534 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) 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 [2024-11-27 23:38:33,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:33,543 INFO L225 Difference]: With dead ends: 165 [2024-11-27 23:38:33,543 INFO L226 Difference]: Without dead ends: 78 [2024-11-27 23:38:33,547 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:38:33,551 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 4 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:33,555 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 253 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:38:33,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-27 23:38:33,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-27 23:38:33,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 44 states have (on average 1.7272727272727273) internal successors, (76), 71 states have internal predecessors, (76), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-27 23:38:33,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 86 transitions. [2024-11-27 23:38:33,604 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 86 transitions. Word has length 4 [2024-11-27 23:38:33,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:33,604 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 86 transitions. [2024-11-27 23:38:33,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) 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) [2024-11-27 23:38:33,605 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 86 transitions. [2024-11-27 23:38:33,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-27 23:38:33,606 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:33,607 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:33,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 23:38:33,607 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:38:33,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:33,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1496348935, now seen corresponding path program 1 times [2024-11-27 23:38:33,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:33,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912187460] [2024-11-27 23:38:33,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:33,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:38:33,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1726464532] [2024-11-27 23:38:33,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:33,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:33,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:38:33,644 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:38:33,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 23:38:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:33,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:38:33,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:33,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 23:38:33,881 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:38:33,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:33,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912187460] [2024-11-27 23:38:33,883 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:38:33,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726464532] [2024-11-27 23:38:33,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1726464532] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:33,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:33,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:38:33,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771729867] [2024-11-27 23:38:33,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:33,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:38:33,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:33,888 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:38:33,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:38:33,890 INFO L87 Difference]: Start difference. First operand 78 states and 86 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-27 23:38:34,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:34,040 INFO L93 Difference]: Finished difference Result 167 states and 191 transitions. [2024-11-27 23:38:34,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:38:34,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 17 [2024-11-27 23:38:34,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:34,042 INFO L225 Difference]: With dead ends: 167 [2024-11-27 23:38:34,044 INFO L226 Difference]: Without dead ends: 113 [2024-11-27 23:38:34,045 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:38:34,046 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 29 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:34,046 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 118 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:38:34,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-27 23:38:34,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 101. [2024-11-27 23:38:34,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 62 states have (on average 1.6774193548387097) internal successors, (104), 89 states have internal predecessors, (104), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-27 23:38:34,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 124 transitions. [2024-11-27 23:38:34,066 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 124 transitions. Word has length 17 [2024-11-27 23:38:34,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:34,067 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 124 transitions. [2024-11-27 23:38:34,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-27 23:38:34,070 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 124 transitions. [2024-11-27 23:38:34,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-27 23:38:34,070 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:34,070 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:34,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 23:38:34,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:34,271 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:38:34,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:34,272 INFO L85 PathProgramCache]: Analyzing trace with hash 328891425, now seen corresponding path program 1 times [2024-11-27 23:38:34,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:34,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844234013] [2024-11-27 23:38:34,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:34,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:34,461 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 23:38:34,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:34,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844234013] [2024-11-27 23:38:34,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844234013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:34,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:34,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:38:34,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517344181] [2024-11-27 23:38:34,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:34,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:38:34,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:34,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:38:34,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:38:34,463 INFO L87 Difference]: Start difference. First operand 101 states and 124 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-27 23:38:34,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:34,562 INFO L93 Difference]: Finished difference Result 113 states and 131 transitions. [2024-11-27 23:38:34,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:38:34,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2024-11-27 23:38:34,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:34,564 INFO L225 Difference]: With dead ends: 113 [2024-11-27 23:38:34,564 INFO L226 Difference]: Without dead ends: 111 [2024-11-27 23:38:34,565 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:38:34,565 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 23 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:34,566 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 131 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:38:34,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-27 23:38:34,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 101. [2024-11-27 23:38:34,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 62 states have (on average 1.6451612903225807) internal successors, (102), 89 states have internal predecessors, (102), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-27 23:38:34,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 122 transitions. [2024-11-27 23:38:34,577 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 122 transitions. Word has length 25 [2024-11-27 23:38:34,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:34,577 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 122 transitions. [2024-11-27 23:38:34,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-27 23:38:34,578 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 122 transitions. [2024-11-27 23:38:34,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-27 23:38:34,578 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:34,578 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:34,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 23:38:34,579 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:38:34,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:34,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1605698107, now seen corresponding path program 1 times [2024-11-27 23:38:34,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:34,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219465476] [2024-11-27 23:38:34,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:34,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:34,745 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 23:38:34,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:34,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219465476] [2024-11-27 23:38:34,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219465476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:34,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:34,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:38:34,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004458737] [2024-11-27 23:38:34,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:34,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:38:34,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:34,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:38:34,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:38:34,747 INFO L87 Difference]: Start difference. First operand 101 states and 122 transitions. Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-27 23:38:34,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:34,896 INFO L93 Difference]: Finished difference Result 124 states and 137 transitions. [2024-11-27 23:38:34,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:38:34,897 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2024-11-27 23:38:34,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:34,898 INFO L225 Difference]: With dead ends: 124 [2024-11-27 23:38:34,899 INFO L226 Difference]: Without dead ends: 123 [2024-11-27 23:38:34,899 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:38:34,900 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 46 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:34,900 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 380 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:38:34,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-27 23:38:34,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 105. [2024-11-27 23:38:34,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 65 states have (on average 1.6) internal successors, (104), 92 states have internal predecessors, (104), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-27 23:38:34,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 124 transitions. [2024-11-27 23:38:34,911 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 124 transitions. Word has length 26 [2024-11-27 23:38:34,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:34,911 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 124 transitions. [2024-11-27 23:38:34,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-27 23:38:34,912 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2024-11-27 23:38:34,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-27 23:38:34,912 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:34,912 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:34,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 23:38:34,913 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:38:34,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:34,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1762966159, now seen corresponding path program 1 times [2024-11-27 23:38:34,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:34,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512066523] [2024-11-27 23:38:34,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:34,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:35,119 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 23:38:35,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:35,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512066523] [2024-11-27 23:38:35,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512066523] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:35,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:35,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:38:35,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457165127] [2024-11-27 23:38:35,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:35,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:38:35,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:35,121 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:38:35,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:38:35,122 INFO L87 Difference]: Start difference. First operand 105 states and 124 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-27 23:38:35,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:35,252 INFO L93 Difference]: Finished difference Result 123 states and 139 transitions. [2024-11-27 23:38:35,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 23:38:35,253 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2024-11-27 23:38:35,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:35,254 INFO L225 Difference]: With dead ends: 123 [2024-11-27 23:38:35,254 INFO L226 Difference]: Without dead ends: 114 [2024-11-27 23:38:35,255 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:38:35,255 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 21 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:35,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 419 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:38:35,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-27 23:38:35,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 109. [2024-11-27 23:38:35,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 68 states have (on average 1.5441176470588236) internal successors, (105), 95 states have internal predecessors, (105), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-27 23:38:35,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 125 transitions. [2024-11-27 23:38:35,267 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 125 transitions. Word has length 27 [2024-11-27 23:38:35,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:35,267 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 125 transitions. [2024-11-27 23:38:35,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-27 23:38:35,268 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2024-11-27 23:38:35,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-27 23:38:35,271 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:35,272 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:35,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 23:38:35,272 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:38:35,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:35,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1993361642, now seen corresponding path program 1 times [2024-11-27 23:38:35,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:35,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616674302] [2024-11-27 23:38:35,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:35,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:38:35,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [406863661] [2024-11-27 23:38:35,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:35,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:35,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:38:35,308 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:38:35,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 23:38:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:35,366 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:38:35,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:35,411 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 23:38:35,411 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:38:35,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:35,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616674302] [2024-11-27 23:38:35,411 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:38:35,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406863661] [2024-11-27 23:38:35,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [406863661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:35,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:35,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:38:35,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151812043] [2024-11-27 23:38:35,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:35,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:38:35,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:35,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:38:35,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:38:35,414 INFO L87 Difference]: Start difference. First operand 109 states and 125 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-27 23:38:35,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:35,486 INFO L93 Difference]: Finished difference Result 149 states and 175 transitions. [2024-11-27 23:38:35,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:38:35,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2024-11-27 23:38:35,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:35,487 INFO L225 Difference]: With dead ends: 149 [2024-11-27 23:38:35,488 INFO L226 Difference]: Without dead ends: 145 [2024-11-27 23:38:35,488 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:38:35,489 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 45 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:35,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 105 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:38:35,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-27 23:38:35,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 129. [2024-11-27 23:38:35,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 86 states have (on average 1.558139534883721) internal successors, (134), 113 states have internal predecessors, (134), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:38:35,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 158 transitions. [2024-11-27 23:38:35,514 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 158 transitions. Word has length 29 [2024-11-27 23:38:35,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:35,514 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 158 transitions. [2024-11-27 23:38:35,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-27 23:38:35,519 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 158 transitions. [2024-11-27 23:38:35,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-27 23:38:35,519 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:35,519 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:35,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 23:38:35,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-27 23:38:35,720 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:38:35,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:35,721 INFO L85 PathProgramCache]: Analyzing trace with hash -244664895, now seen corresponding path program 1 times [2024-11-27 23:38:35,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:35,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292992356] [2024-11-27 23:38:35,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:35,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:35,866 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 23:38:35,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:35,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292992356] [2024-11-27 23:38:35,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292992356] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:38:35,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486130297] [2024-11-27 23:38:35,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:35,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:35,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:38:35,869 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:38:35,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 23:38:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:35,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:38:35,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:36,043 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 23:38:36,044 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:38:36,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486130297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:36,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:38:36,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-27 23:38:36,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378775361] [2024-11-27 23:38:36,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:36,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:38:36,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:36,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:38:36,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:38:36,046 INFO L87 Difference]: Start difference. First operand 129 states and 158 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-27 23:38:36,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:36,087 INFO L93 Difference]: Finished difference Result 138 states and 166 transitions. [2024-11-27 23:38:36,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:38:36,087 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2024-11-27 23:38:36,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:36,088 INFO L225 Difference]: With dead ends: 138 [2024-11-27 23:38:36,089 INFO L226 Difference]: Without dead ends: 137 [2024-11-27 23:38:36,089 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:38:36,090 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 19 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:36,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 198 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:38:36,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-27 23:38:36,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 132. [2024-11-27 23:38:36,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 89 states have (on average 1.5280898876404494) internal successors, (136), 115 states have internal predecessors, (136), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:38:36,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 160 transitions. [2024-11-27 23:38:36,109 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 160 transitions. Word has length 30 [2024-11-27 23:38:36,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:36,109 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 160 transitions. [2024-11-27 23:38:36,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-27 23:38:36,110 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 160 transitions. [2024-11-27 23:38:36,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-27 23:38:36,112 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:36,112 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:36,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 23:38:36,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-27 23:38:36,313 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:38:36,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:36,314 INFO L85 PathProgramCache]: Analyzing trace with hash -65121192, now seen corresponding path program 1 times [2024-11-27 23:38:36,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:36,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506560318] [2024-11-27 23:38:36,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:36,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:38:36,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1628629492] [2024-11-27 23:38:36,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:36,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:36,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:38:36,336 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:38:36,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 23:38:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:36,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:38:36,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:36,503 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 23:38:36,503 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:38:36,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:36,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506560318] [2024-11-27 23:38:36,504 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:38:36,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628629492] [2024-11-27 23:38:36,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628629492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:36,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:36,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:38:36,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501538440] [2024-11-27 23:38:36,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:36,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:38:36,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:36,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:38:36,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:38:36,506 INFO L87 Difference]: Start difference. First operand 132 states and 160 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-27 23:38:36,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:36,582 INFO L93 Difference]: Finished difference Result 146 states and 167 transitions. [2024-11-27 23:38:36,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:38:36,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2024-11-27 23:38:36,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:36,584 INFO L225 Difference]: With dead ends: 146 [2024-11-27 23:38:36,584 INFO L226 Difference]: Without dead ends: 144 [2024-11-27 23:38:36,584 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:38:36,585 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 38 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:36,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 96 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:38:36,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-27 23:38:36,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 133. [2024-11-27 23:38:36,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 90 states have (on average 1.5) internal successors, (135), 116 states have internal predecessors, (135), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:38:36,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 159 transitions. [2024-11-27 23:38:36,599 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 159 transitions. Word has length 31 [2024-11-27 23:38:36,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:36,599 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 159 transitions. [2024-11-27 23:38:36,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-27 23:38:36,600 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 159 transitions. [2024-11-27 23:38:36,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-27 23:38:36,601 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:36,601 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:36,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 23:38:36,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-27 23:38:36,802 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:38:36,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:36,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1005322887, now seen corresponding path program 1 times [2024-11-27 23:38:36,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:36,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429167687] [2024-11-27 23:38:36,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:36,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:36,912 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 23:38:36,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:36,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429167687] [2024-11-27 23:38:36,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429167687] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:38:36,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538119242] [2024-11-27 23:38:36,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:36,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:36,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:38:36,916 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:38:36,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 23:38:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:36,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:38:36,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:37,078 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 23:38:37,080 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:38:37,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538119242] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:37,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:38:37,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-27 23:38:37,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128862269] [2024-11-27 23:38:37,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:37,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:38:37,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:37,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:38:37,082 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:38:37,082 INFO L87 Difference]: Start difference. First operand 133 states and 159 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-27 23:38:37,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:37,191 INFO L93 Difference]: Finished difference Result 138 states and 164 transitions. [2024-11-27 23:38:37,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:38:37,192 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2024-11-27 23:38:37,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:37,195 INFO L225 Difference]: With dead ends: 138 [2024-11-27 23:38:37,196 INFO L226 Difference]: Without dead ends: 137 [2024-11-27 23:38:37,197 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:38:37,197 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 16 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:37,198 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 269 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:38:37,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-27 23:38:37,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 132. [2024-11-27 23:38:37,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 90 states have (on average 1.488888888888889) internal successors, (134), 115 states have internal predecessors, (134), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:38:37,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 158 transitions. [2024-11-27 23:38:37,211 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 158 transitions. Word has length 31 [2024-11-27 23:38:37,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:37,212 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 158 transitions. [2024-11-27 23:38:37,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-27 23:38:37,212 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 158 transitions. [2024-11-27 23:38:37,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-27 23:38:37,213 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:37,213 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:37,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 23:38:37,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-27 23:38:37,418 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:38:37,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:37,419 INFO L85 PathProgramCache]: Analyzing trace with hash -2018756862, now seen corresponding path program 1 times [2024-11-27 23:38:37,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:37,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177624364] [2024-11-27 23:38:37,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:37,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:37,516 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 23:38:37,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:37,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177624364] [2024-11-27 23:38:37,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177624364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:37,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:37,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:38:37,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301705386] [2024-11-27 23:38:37,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:37,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:38:37,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:37,518 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:38:37,518 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:38:37,518 INFO L87 Difference]: Start difference. First operand 132 states and 158 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-27 23:38:37,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:37,900 INFO L93 Difference]: Finished difference Result 152 states and 184 transitions. [2024-11-27 23:38:37,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:38:37,901 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2024-11-27 23:38:37,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:37,903 INFO L225 Difference]: With dead ends: 152 [2024-11-27 23:38:37,904 INFO L226 Difference]: Without dead ends: 151 [2024-11-27 23:38:37,904 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:38:37,905 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 90 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:37,905 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 159 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:38:37,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-27 23:38:37,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 140. [2024-11-27 23:38:37,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 98 states have (on average 1.489795918367347) internal successors, (146), 123 states have internal predecessors, (146), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:38:37,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 170 transitions. [2024-11-27 23:38:37,927 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 170 transitions. Word has length 32 [2024-11-27 23:38:37,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:37,928 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 170 transitions. [2024-11-27 23:38:37,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-27 23:38:37,928 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 170 transitions. [2024-11-27 23:38:37,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-27 23:38:37,929 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:37,929 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:37,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 23:38:37,930 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:38:37,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:37,930 INFO L85 PathProgramCache]: Analyzing trace with hash 767217160, now seen corresponding path program 1 times [2024-11-27 23:38:37,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:37,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709334021] [2024-11-27 23:38:37,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:37,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:38,035 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 23:38:38,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:38,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709334021] [2024-11-27 23:38:38,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709334021] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:38:38,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87239211] [2024-11-27 23:38:38,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:38,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:38,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:38:38,038 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:38:38,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 23:38:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:38,092 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:38:38,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:38,197 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 23:38:38,197 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:38:38,306 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 23:38:38,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [87239211] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:38:38,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:38:38,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2024-11-27 23:38:38,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419413183] [2024-11-27 23:38:38,307 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:38:38,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 23:38:38,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:38,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 23:38:38,308 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:38:38,309 INFO L87 Difference]: Start difference. First operand 140 states and 170 transitions. Second operand has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 23:38:38,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:38,528 INFO L93 Difference]: Finished difference Result 281 states and 342 transitions. [2024-11-27 23:38:38,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 23:38:38,528 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 34 [2024-11-27 23:38:38,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:38,530 INFO L225 Difference]: With dead ends: 281 [2024-11-27 23:38:38,530 INFO L226 Difference]: Without dead ends: 202 [2024-11-27 23:38:38,531 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-11-27 23:38:38,531 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 65 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:38,532 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 398 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:38:38,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-11-27 23:38:38,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 180. [2024-11-27 23:38:38,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 130 states have (on average 1.476923076923077) internal successors, (192), 155 states have internal predecessors, (192), 18 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-27 23:38:38,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 228 transitions. [2024-11-27 23:38:38,562 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 228 transitions. Word has length 34 [2024-11-27 23:38:38,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:38,564 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 228 transitions. [2024-11-27 23:38:38,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 23:38:38,564 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 228 transitions. [2024-11-27 23:38:38,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-27 23:38:38,568 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:38,568 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:38,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-27 23:38:38,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:38,769 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:38:38,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:38,770 INFO L85 PathProgramCache]: Analyzing trace with hash -874625494, now seen corresponding path program 1 times [2024-11-27 23:38:38,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:38,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775598975] [2024-11-27 23:38:38,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:38,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:38:38,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1090170191] [2024-11-27 23:38:38,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:38,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:38,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:38:38,794 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:38:38,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 23:38:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:38,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:38:38,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:38,996 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-27 23:38:38,996 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:38:38,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:38,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775598975] [2024-11-27 23:38:38,996 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:38:38,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090170191] [2024-11-27 23:38:38,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090170191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:38,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:38,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:38:38,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528997990] [2024-11-27 23:38:38,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:38,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:38:38,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:38,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:38:38,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:38:38,999 INFO L87 Difference]: Start difference. First operand 180 states and 228 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 23:38:39,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:39,141 INFO L93 Difference]: Finished difference Result 216 states and 267 transitions. [2024-11-27 23:38:39,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:38:39,142 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 43 [2024-11-27 23:38:39,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:39,143 INFO L225 Difference]: With dead ends: 216 [2024-11-27 23:38:39,144 INFO L226 Difference]: Without dead ends: 207 [2024-11-27 23:38:39,144 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:38:39,146 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 79 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:39,146 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 125 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:38:39,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-27 23:38:39,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 189. [2024-11-27 23:38:39,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 141 states have (on average 1.3971631205673758) internal successors, (197), 162 states have internal predecessors, (197), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-27 23:38:39,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 237 transitions. [2024-11-27 23:38:39,173 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 237 transitions. Word has length 43 [2024-11-27 23:38:39,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:39,175 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 237 transitions. [2024-11-27 23:38:39,175 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 23:38:39,175 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 237 transitions. [2024-11-27 23:38:39,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-27 23:38:39,176 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:39,176 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:39,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-27 23:38:39,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-27 23:38:39,378 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:38:39,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:39,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1343586486, now seen corresponding path program 1 times [2024-11-27 23:38:39,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:39,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206993295] [2024-11-27 23:38:39,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:39,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:38:39,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1009078882] [2024-11-27 23:38:39,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:39,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:39,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:38:39,408 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:38:39,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 23:38:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:39,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:38:39,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:39,600 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-27 23:38:39,600 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:38:39,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:39,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206993295] [2024-11-27 23:38:39,914 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:38:39,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1009078882] [2024-11-27 23:38:39,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1009078882] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:38:39,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:38:39,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-27 23:38:39,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828523103] [2024-11-27 23:38:39,915 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:38:39,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:38:39,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:39,916 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:38:39,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:38:39,917 INFO L87 Difference]: Start difference. First operand 189 states and 237 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 23:38:40,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:40,103 INFO L93 Difference]: Finished difference Result 286 states and 361 transitions. [2024-11-27 23:38:40,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:38:40,104 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2024-11-27 23:38:40,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:40,106 INFO L225 Difference]: With dead ends: 286 [2024-11-27 23:38:40,106 INFO L226 Difference]: Without dead ends: 282 [2024-11-27 23:38:40,106 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:38:40,107 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 66 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:40,107 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 166 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:38:40,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-11-27 23:38:40,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 250. [2024-11-27 23:38:40,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 196 states have (on average 1.433673469387755) internal successors, (281), 217 states have internal predecessors, (281), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-27 23:38:40,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 333 transitions. [2024-11-27 23:38:40,138 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 333 transitions. Word has length 44 [2024-11-27 23:38:40,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:40,139 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 333 transitions. [2024-11-27 23:38:40,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 23:38:40,139 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 333 transitions. [2024-11-27 23:38:40,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-27 23:38:40,140 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:40,140 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:40,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-27 23:38:40,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:40,341 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:38:40,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:40,342 INFO L85 PathProgramCache]: Analyzing trace with hash 177539779, now seen corresponding path program 1 times [2024-11-27 23:38:40,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:40,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104678635] [2024-11-27 23:38:40,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:40,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:40,490 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-27 23:38:40,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:40,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104678635] [2024-11-27 23:38:40,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104678635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:40,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:40,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:38:40,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824193453] [2024-11-27 23:38:40,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:40,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:38:40,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:40,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:38:40,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:38:40,492 INFO L87 Difference]: Start difference. First operand 250 states and 333 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 23:38:40,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:40,598 INFO L93 Difference]: Finished difference Result 255 states and 337 transitions. [2024-11-27 23:38:40,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:38:40,599 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2024-11-27 23:38:40,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:40,601 INFO L225 Difference]: With dead ends: 255 [2024-11-27 23:38:40,601 INFO L226 Difference]: Without dead ends: 233 [2024-11-27 23:38:40,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:38:40,602 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 25 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:40,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 123 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:38:40,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-11-27 23:38:40,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2024-11-27 23:38:40,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 182 states have (on average 1.4615384615384615) internal successors, (266), 203 states have internal predecessors, (266), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 23:38:40,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 314 transitions. [2024-11-27 23:38:40,629 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 314 transitions. Word has length 49 [2024-11-27 23:38:40,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:40,629 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 314 transitions. [2024-11-27 23:38:40,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 23:38:40,629 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 314 transitions. [2024-11-27 23:38:40,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-27 23:38:40,630 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:40,630 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:40,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 23:38:40,630 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:38:40,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:40,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1685686716, now seen corresponding path program 1 times [2024-11-27 23:38:40,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:40,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735134173] [2024-11-27 23:38:40,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:40,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:40,753 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 23:38:40,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:40,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735134173] [2024-11-27 23:38:40,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735134173] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:38:40,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323205843] [2024-11-27 23:38:40,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:40,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:40,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:38:40,756 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:38:40,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 23:38:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:40,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:38:40,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:40,890 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 23:38:40,890 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:38:40,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323205843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:40,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:38:40,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-27 23:38:40,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772896172] [2024-11-27 23:38:40,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:40,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:38:40,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:40,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:38:40,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:38:40,893 INFO L87 Difference]: Start difference. First operand 233 states and 314 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-27 23:38:41,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:41,014 INFO L93 Difference]: Finished difference Result 336 states and 463 transitions. [2024-11-27 23:38:41,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:38:41,016 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (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 51 [2024-11-27 23:38:41,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:41,018 INFO L225 Difference]: With dead ends: 336 [2024-11-27 23:38:41,018 INFO L226 Difference]: Without dead ends: 334 [2024-11-27 23:38:41,018 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:38:41,019 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 59 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:41,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 152 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:38:41,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-11-27 23:38:41,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 306. [2024-11-27 23:38:41,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 248 states have (on average 1.4838709677419355) internal successors, (368), 268 states have internal predecessors, (368), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-27 23:38:41,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 432 transitions. [2024-11-27 23:38:41,051 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 432 transitions. Word has length 51 [2024-11-27 23:38:41,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:41,051 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 432 transitions. [2024-11-27 23:38:41,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-27 23:38:41,051 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 432 transitions. [2024-11-27 23:38:41,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-27 23:38:41,052 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:41,052 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:41,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-27 23:38:41,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:41,253 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:38:41,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:41,254 INFO L85 PathProgramCache]: Analyzing trace with hash -716682120, now seen corresponding path program 1 times [2024-11-27 23:38:41,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:41,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701419803] [2024-11-27 23:38:41,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:41,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:41,433 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 23:38:41,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:41,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701419803] [2024-11-27 23:38:41,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701419803] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:38:41,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680042103] [2024-11-27 23:38:41,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:41,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:41,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:38:41,436 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:38:41,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 23:38:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:41,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 23:38:41,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:41,625 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 23:38:41,626 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:38:41,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680042103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:41,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:38:41,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 13 [2024-11-27 23:38:41,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349689754] [2024-11-27 23:38:41,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:41,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:38:41,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:41,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:38:41,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:38:41,628 INFO L87 Difference]: Start difference. First operand 306 states and 432 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-27 23:38:41,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:41,706 INFO L93 Difference]: Finished difference Result 306 states and 432 transitions. [2024-11-27 23:38:41,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:38:41,707 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2024-11-27 23:38:41,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:41,709 INFO L225 Difference]: With dead ends: 306 [2024-11-27 23:38:41,709 INFO L226 Difference]: Without dead ends: 305 [2024-11-27 23:38:41,709 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-11-27 23:38:41,710 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 111 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:41,710 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 187 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:38:41,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-27 23:38:41,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2024-11-27 23:38:41,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 248 states have (on average 1.435483870967742) internal successors, (356), 267 states have internal predecessors, (356), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-27 23:38:41,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 420 transitions. [2024-11-27 23:38:41,737 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 420 transitions. Word has length 52 [2024-11-27 23:38:41,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:41,737 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 420 transitions. [2024-11-27 23:38:41,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-27 23:38:41,738 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 420 transitions. [2024-11-27 23:38:41,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-27 23:38:41,738 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:41,738 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:41,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-27 23:38:41,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:41,940 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:38:41,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:41,940 INFO L85 PathProgramCache]: Analyzing trace with hash -716680582, now seen corresponding path program 1 times [2024-11-27 23:38:41,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:41,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931165234] [2024-11-27 23:38:41,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:41,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:42,011 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 23:38:42,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:42,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931165234] [2024-11-27 23:38:42,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931165234] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:38:42,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036834335] [2024-11-27 23:38:42,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:42,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:42,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:38:42,014 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:38:42,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-27 23:38:42,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:42,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:38:42,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:42,117 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 23:38:42,118 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:38:42,196 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 23:38:42,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1036834335] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:38:42,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:38:42,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-27 23:38:42,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764913243] [2024-11-27 23:38:42,196 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:38:42,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:38:42,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:42,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:38:42,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:38:42,198 INFO L87 Difference]: Start difference. First operand 305 states and 420 transitions. Second operand has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-27 23:38:42,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:42,421 INFO L93 Difference]: Finished difference Result 472 states and 642 transitions. [2024-11-27 23:38:42,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:38:42,422 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 52 [2024-11-27 23:38:42,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:42,424 INFO L225 Difference]: With dead ends: 472 [2024-11-27 23:38:42,424 INFO L226 Difference]: Without dead ends: 470 [2024-11-27 23:38:42,425 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:38:42,425 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 193 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:42,426 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 266 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:38:42,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2024-11-27 23:38:42,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 411. [2024-11-27 23:38:42,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 341 states have (on average 1.4486803519061584) internal successors, (494), 360 states have internal predecessors, (494), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-27 23:38:42,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 584 transitions. [2024-11-27 23:38:42,471 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 584 transitions. Word has length 52 [2024-11-27 23:38:42,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:42,472 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 584 transitions. [2024-11-27 23:38:42,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-27 23:38:42,472 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 584 transitions. [2024-11-27 23:38:42,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-27 23:38:42,473 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:42,473 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:42,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-27 23:38:42,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-27 23:38:42,674 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:38:42,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:42,675 INFO L85 PathProgramCache]: Analyzing trace with hash -742309164, now seen corresponding path program 1 times [2024-11-27 23:38:42,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:42,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093056371] [2024-11-27 23:38:42,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:42,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:42,822 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 23:38:42,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:42,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093056371] [2024-11-27 23:38:42,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093056371] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:38:42,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146579809] [2024-11-27 23:38:42,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:42,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:42,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:38:42,825 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:38:42,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-27 23:38:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:42,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 23:38:42,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:43,034 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 3 proven. 43 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 23:38:43,034 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:38:43,193 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 23:38:43,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146579809] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:38:43,194 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:38:43,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 18 [2024-11-27 23:38:43,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862048258] [2024-11-27 23:38:43,194 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:38:43,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-27 23:38:43,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:43,196 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-27 23:38:43,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2024-11-27 23:38:43,197 INFO L87 Difference]: Start difference. First operand 411 states and 584 transitions. Second operand has 19 states, 18 states have (on average 4.111111111111111) internal successors, (74), 19 states have internal predecessors, (74), 6 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-27 23:38:43,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:43,576 INFO L93 Difference]: Finished difference Result 475 states and 638 transitions. [2024-11-27 23:38:43,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 23:38:43,576 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 4.111111111111111) internal successors, (74), 19 states have internal predecessors, (74), 6 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 53 [2024-11-27 23:38:43,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:43,579 INFO L225 Difference]: With dead ends: 475 [2024-11-27 23:38:43,579 INFO L226 Difference]: Without dead ends: 469 [2024-11-27 23:38:43,580 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=241, Invalid=689, Unknown=0, NotChecked=0, Total=930 [2024-11-27 23:38:43,581 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 341 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:43,581 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 608 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:38:43,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-27 23:38:43,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 440. [2024-11-27 23:38:43,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 368 states have (on average 1.4048913043478262) internal successors, (517), 387 states have internal predecessors, (517), 45 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-27 23:38:43,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 607 transitions. [2024-11-27 23:38:43,618 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 607 transitions. Word has length 53 [2024-11-27 23:38:43,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:43,618 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 607 transitions. [2024-11-27 23:38:43,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 4.111111111111111) internal successors, (74), 19 states have internal predecessors, (74), 6 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-27 23:38:43,619 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 607 transitions. [2024-11-27 23:38:43,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-27 23:38:43,619 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:43,620 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-27 23:38:43,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-27 23:38:43,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-27 23:38:43,820 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:38:43,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:43,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1217958983, now seen corresponding path program 2 times [2024-11-27 23:38:43,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:43,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491647846] [2024-11-27 23:38:43,821 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:38:43,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:43,842 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:38:43,842 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 23:38:43,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [483267847] [2024-11-27 23:38:43,843 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:38:43,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:43,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:38:43,846 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:38:43,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-27 23:38:43,927 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:38:43,928 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:38:43,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 23:38:43,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:44,124 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-27 23:38:44,124 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:38:44,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:44,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491647846] [2024-11-27 23:38:44,349 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:38:44,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483267847] [2024-11-27 23:38:44,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [483267847] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:38:44,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:38:44,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-27 23:38:44,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228661665] [2024-11-27 23:38:44,350 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:38:44,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:38:44,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:44,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:38:44,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:38:44,351 INFO L87 Difference]: Start difference. First operand 440 states and 607 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-27 23:38:44,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:44,589 INFO L93 Difference]: Finished difference Result 581 states and 792 transitions. [2024-11-27 23:38:44,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:38:44,590 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 70 [2024-11-27 23:38:44,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:44,594 INFO L225 Difference]: With dead ends: 581 [2024-11-27 23:38:44,594 INFO L226 Difference]: Without dead ends: 577 [2024-11-27 23:38:44,595 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:38:44,596 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 106 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:44,596 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 183 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:38:44,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-11-27 23:38:44,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 490. [2024-11-27 23:38:44,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 412 states have (on average 1.3907766990291262) internal successors, (573), 431 states have internal predecessors, (573), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-27 23:38:44,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 675 transitions. [2024-11-27 23:38:44,643 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 675 transitions. Word has length 70 [2024-11-27 23:38:44,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:44,643 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 675 transitions. [2024-11-27 23:38:44,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-27 23:38:44,644 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 675 transitions. [2024-11-27 23:38:44,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-27 23:38:44,645 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:44,645 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-11-27 23:38:44,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-27 23:38:44,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:44,846 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:38:44,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:44,846 INFO L85 PathProgramCache]: Analyzing trace with hash 533823658, now seen corresponding path program 1 times [2024-11-27 23:38:44,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:44,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275202371] [2024-11-27 23:38:44,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:44,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:44,907 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-27 23:38:44,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:44,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275202371] [2024-11-27 23:38:44,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275202371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:44,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:44,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:38:44,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925066909] [2024-11-27 23:38:44,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:44,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:38:44,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:44,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:38:44,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:38:44,909 INFO L87 Difference]: Start difference. First operand 490 states and 675 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-27 23:38:44,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:44,992 INFO L93 Difference]: Finished difference Result 490 states and 675 transitions. [2024-11-27 23:38:44,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:38:44,993 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 77 [2024-11-27 23:38:44,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:44,996 INFO L225 Difference]: With dead ends: 490 [2024-11-27 23:38:44,996 INFO L226 Difference]: Without dead ends: 489 [2024-11-27 23:38:44,996 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:38:44,997 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 2 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:44,997 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 114 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:38:44,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-11-27 23:38:45,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2024-11-27 23:38:45,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 412 states have (on average 1.3713592233009708) internal successors, (565), 430 states have internal predecessors, (565), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-27 23:38:45,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 667 transitions. [2024-11-27 23:38:45,060 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 667 transitions. Word has length 77 [2024-11-27 23:38:45,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:45,061 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 667 transitions. [2024-11-27 23:38:45,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-27 23:38:45,061 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 667 transitions. [2024-11-27 23:38:45,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-27 23:38:45,062 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:45,062 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-11-27 23:38:45,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-27 23:38:45,062 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:38:45,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:45,063 INFO L85 PathProgramCache]: Analyzing trace with hash -631335670, now seen corresponding path program 1 times [2024-11-27 23:38:45,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:45,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871027046] [2024-11-27 23:38:45,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:45,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:45,316 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-27 23:38:45,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:45,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871027046] [2024-11-27 23:38:45,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871027046] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:38:45,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827392246] [2024-11-27 23:38:45,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:45,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:45,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:38:45,319 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:38:45,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-27 23:38:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:45,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 23:38:45,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:45,613 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-27 23:38:45,613 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:38:45,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827392246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:45,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:38:45,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-27 23:38:45,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653849097] [2024-11-27 23:38:45,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:45,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:38:45,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:45,615 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:38:45,615 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:38:45,615 INFO L87 Difference]: Start difference. First operand 489 states and 667 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-27 23:38:45,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:45,755 INFO L93 Difference]: Finished difference Result 514 states and 689 transitions. [2024-11-27 23:38:45,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:38:45,755 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 78 [2024-11-27 23:38:45,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:45,759 INFO L225 Difference]: With dead ends: 514 [2024-11-27 23:38:45,759 INFO L226 Difference]: Without dead ends: 513 [2024-11-27 23:38:45,759 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:38:45,760 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 40 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:45,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 126 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:38:45,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2024-11-27 23:38:45,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 489. [2024-11-27 23:38:45,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 412 states have (on average 1.3616504854368932) internal successors, (561), 430 states have internal predecessors, (561), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-27 23:38:45,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 663 transitions. [2024-11-27 23:38:45,812 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 663 transitions. Word has length 78 [2024-11-27 23:38:45,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:45,812 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 663 transitions. [2024-11-27 23:38:45,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-27 23:38:45,813 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 663 transitions. [2024-11-27 23:38:45,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-27 23:38:45,814 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:45,814 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-11-27 23:38:45,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-27 23:38:46,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:46,018 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:38:46,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:46,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1903430828, now seen corresponding path program 1 times [2024-11-27 23:38:46,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:46,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039257150] [2024-11-27 23:38:46,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:46,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:46,220 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-27 23:38:46,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:46,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039257150] [2024-11-27 23:38:46,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039257150] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:38:46,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438930241] [2024-11-27 23:38:46,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:46,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:46,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:38:46,224 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:38:46,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-27 23:38:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:46,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:38:46,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:46,485 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-27 23:38:46,486 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:38:46,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1438930241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:46,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:38:46,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-27 23:38:46,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994933598] [2024-11-27 23:38:46,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:46,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:38:46,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:46,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:38:46,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:38:46,487 INFO L87 Difference]: Start difference. First operand 489 states and 663 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-27 23:38:46,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:46,689 INFO L93 Difference]: Finished difference Result 522 states and 700 transitions. [2024-11-27 23:38:46,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:38:46,690 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 79 [2024-11-27 23:38:46,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:46,693 INFO L225 Difference]: With dead ends: 522 [2024-11-27 23:38:46,694 INFO L226 Difference]: Without dead ends: 521 [2024-11-27 23:38:46,694 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 76 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:38:46,696 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 88 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:46,696 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 113 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:38:46,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2024-11-27 23:38:46,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 501. [2024-11-27 23:38:46,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 424 states have (on average 1.3514150943396226) internal successors, (573), 442 states have internal predecessors, (573), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-27 23:38:46,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 675 transitions. [2024-11-27 23:38:46,754 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 675 transitions. Word has length 79 [2024-11-27 23:38:46,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:46,754 INFO L471 AbstractCegarLoop]: Abstraction has 501 states and 675 transitions. [2024-11-27 23:38:46,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-27 23:38:46,754 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 675 transitions. [2024-11-27 23:38:46,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-27 23:38:46,755 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:46,755 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-11-27 23:38:46,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-27 23:38:46,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:46,956 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:38:46,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:46,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1123186356, now seen corresponding path program 1 times [2024-11-27 23:38:46,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:46,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654717180] [2024-11-27 23:38:46,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:46,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:47,159 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-27 23:38:47,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:47,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654717180] [2024-11-27 23:38:47,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654717180] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:38:47,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427272158] [2024-11-27 23:38:47,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:47,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:47,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:38:47,163 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:38:47,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-27 23:38:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:47,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:38:47,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:47,408 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-27 23:38:47,408 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:38:47,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427272158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:47,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:38:47,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-27 23:38:47,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936669484] [2024-11-27 23:38:47,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:47,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:38:47,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:47,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:38:47,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:38:47,410 INFO L87 Difference]: Start difference. First operand 501 states and 675 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-27 23:38:47,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:47,597 INFO L93 Difference]: Finished difference Result 517 states and 688 transitions. [2024-11-27 23:38:47,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:38:47,598 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 80 [2024-11-27 23:38:47,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:47,600 INFO L225 Difference]: With dead ends: 517 [2024-11-27 23:38:47,601 INFO L226 Difference]: Without dead ends: 515 [2024-11-27 23:38:47,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:38:47,602 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 43 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:47,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 110 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:38:47,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2024-11-27 23:38:47,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 505. [2024-11-27 23:38:47,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 428 states have (on average 1.3294392523364487) internal successors, (569), 446 states have internal predecessors, (569), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-27 23:38:47,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 671 transitions. [2024-11-27 23:38:47,657 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 671 transitions. Word has length 80 [2024-11-27 23:38:47,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:47,657 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 671 transitions. [2024-11-27 23:38:47,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-27 23:38:47,657 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 671 transitions. [2024-11-27 23:38:47,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-27 23:38:47,676 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:47,676 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:47,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-27 23:38:47,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:47,877 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:38:47,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:47,878 INFO L85 PathProgramCache]: Analyzing trace with hash 763367358, now seen corresponding path program 1 times [2024-11-27 23:38:47,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:47,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129949759] [2024-11-27 23:38:47,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:47,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:48,070 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:38:48,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:48,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129949759] [2024-11-27 23:38:48,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129949759] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:38:48,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502622795] [2024-11-27 23:38:48,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:48,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:48,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:38:48,077 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:38:48,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-27 23:38:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:48,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 23:38:48,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:48,299 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-27 23:38:48,299 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:38:48,523 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:38:48,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502622795] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:38:48,524 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:38:48,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 10] total 21 [2024-11-27 23:38:48,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786712044] [2024-11-27 23:38:48,524 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:38:48,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-27 23:38:48,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:48,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-27 23:38:48,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-27 23:38:48,526 INFO L87 Difference]: Start difference. First operand 505 states and 671 transitions. Second operand has 21 states, 21 states have (on average 4.380952380952381) internal successors, (92), 21 states have internal predecessors, (92), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2024-11-27 23:38:49,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:49,102 INFO L93 Difference]: Finished difference Result 702 states and 911 transitions. [2024-11-27 23:38:49,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-27 23:38:49,103 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.380952380952381) internal successors, (92), 21 states have internal predecessors, (92), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) Word has length 84 [2024-11-27 23:38:49,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:49,106 INFO L225 Difference]: With dead ends: 702 [2024-11-27 23:38:49,106 INFO L226 Difference]: Without dead ends: 569 [2024-11-27 23:38:49,108 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=355, Invalid=1127, Unknown=0, NotChecked=0, Total=1482 [2024-11-27 23:38:49,109 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 124 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:49,109 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 605 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:38:49,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2024-11-27 23:38:49,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 551. [2024-11-27 23:38:49,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 464 states have (on average 1.3060344827586208) internal successors, (606), 482 states have internal predecessors, (606), 57 states have call successors, (57), 11 states have call predecessors, (57), 11 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-27 23:38:49,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 720 transitions. [2024-11-27 23:38:49,188 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 720 transitions. Word has length 84 [2024-11-27 23:38:49,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:49,189 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 720 transitions. [2024-11-27 23:38:49,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.380952380952381) internal successors, (92), 21 states have internal predecessors, (92), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2024-11-27 23:38:49,189 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 720 transitions. [2024-11-27 23:38:49,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-27 23:38:49,190 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:49,191 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-11-27 23:38:49,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-27 23:38:49,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-27 23:38:49,395 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:38:49,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:49,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1328952029, now seen corresponding path program 1 times [2024-11-27 23:38:49,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:49,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625199926] [2024-11-27 23:38:49,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:49,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:38:49,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1004994880] [2024-11-27 23:38:49,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:49,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:49,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:38:49,441 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:38:49,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-27 23:38:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:49,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 23:38:49,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:49,916 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-27 23:38:49,916 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:38:50,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:50,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625199926] [2024-11-27 23:38:50,704 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:38:50,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004994880] [2024-11-27 23:38:50,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004994880] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:38:50,705 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:38:50,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-27 23:38:50,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633237500] [2024-11-27 23:38:50,705 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:38:50,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:38:50,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:50,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:38:50,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:38:50,706 INFO L87 Difference]: Start difference. First operand 551 states and 720 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-27 23:38:50,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:50,920 INFO L93 Difference]: Finished difference Result 677 states and 903 transitions. [2024-11-27 23:38:50,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:38:50,921 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 85 [2024-11-27 23:38:50,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:50,924 INFO L225 Difference]: With dead ends: 677 [2024-11-27 23:38:50,924 INFO L226 Difference]: Without dead ends: 676 [2024-11-27 23:38:50,925 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:38:50,925 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 141 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:50,927 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 103 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:38:50,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2024-11-27 23:38:50,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 632. [2024-11-27 23:38:50,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 539 states have (on average 1.3320964749536177) internal successors, (718), 557 states have internal predecessors, (718), 63 states have call successors, (63), 11 states have call predecessors, (63), 11 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-27 23:38:51,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 844 transitions. [2024-11-27 23:38:51,008 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 844 transitions. Word has length 85 [2024-11-27 23:38:51,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:51,008 INFO L471 AbstractCegarLoop]: Abstraction has 632 states and 844 transitions. [2024-11-27 23:38:51,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-27 23:38:51,010 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 844 transitions. [2024-11-27 23:38:51,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-27 23:38:51,011 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:51,011 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-11-27 23:38:51,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-27 23:38:51,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-27 23:38:51,214 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:38:51,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:51,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1752160147, now seen corresponding path program 1 times [2024-11-27 23:38:51,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:51,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022992818] [2024-11-27 23:38:51,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:51,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:38:51,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [491420839] [2024-11-27 23:38:51,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:51,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:51,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:38:51,250 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:38:51,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-27 23:38:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:51,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 23:38:51,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:51,723 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-27 23:38:51,724 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:38:52,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:52,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022992818] [2024-11-27 23:38:52,573 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:38:52,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491420839] [2024-11-27 23:38:52,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491420839] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:38:52,576 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:38:52,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-27 23:38:52,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781113319] [2024-11-27 23:38:52,576 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:38:52,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:38:52,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:52,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:38:52,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:38:52,578 INFO L87 Difference]: Start difference. First operand 632 states and 844 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-27 23:38:52,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:52,791 INFO L93 Difference]: Finished difference Result 642 states and 849 transitions. [2024-11-27 23:38:52,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:38:52,792 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 86 [2024-11-27 23:38:52,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:52,796 INFO L225 Difference]: With dead ends: 642 [2024-11-27 23:38:52,796 INFO L226 Difference]: Without dead ends: 639 [2024-11-27 23:38:52,797 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:38:52,797 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 66 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:52,799 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 103 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:38:52,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2024-11-27 23:38:52,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 630. [2024-11-27 23:38:52,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 539 states have (on average 1.2838589981447124) internal successors, (692), 555 states have internal predecessors, (692), 63 states have call successors, (63), 11 states have call predecessors, (63), 11 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-27 23:38:52,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 818 transitions. [2024-11-27 23:38:52,894 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 818 transitions. Word has length 86 [2024-11-27 23:38:52,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:52,895 INFO L471 AbstractCegarLoop]: Abstraction has 630 states and 818 transitions. [2024-11-27 23:38:52,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-27 23:38:52,895 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 818 transitions. [2024-11-27 23:38:52,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-27 23:38:52,897 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:52,897 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:52,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-27 23:38:53,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-27 23:38:53,101 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:38:53,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:53,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1517610203, now seen corresponding path program 1 times [2024-11-27 23:38:53,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:53,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622979467] [2024-11-27 23:38:53,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:53,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:53,202 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-27 23:38:53,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:53,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622979467] [2024-11-27 23:38:53,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622979467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:53,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:53,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:38:53,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748510885] [2024-11-27 23:38:53,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:53,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:38:53,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:53,204 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:38:53,204 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:38:53,204 INFO L87 Difference]: Start difference. First operand 630 states and 818 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-27 23:38:53,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:53,556 INFO L93 Difference]: Finished difference Result 639 states and 826 transitions. [2024-11-27 23:38:53,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:38:53,557 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 87 [2024-11-27 23:38:53,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:53,561 INFO L225 Difference]: With dead ends: 639 [2024-11-27 23:38:53,561 INFO L226 Difference]: Without dead ends: 638 [2024-11-27 23:38:53,562 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:38:53,562 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 71 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:53,564 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 174 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:38:53,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2024-11-27 23:38:53,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 629. [2024-11-27 23:38:53,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 539 states have (on average 1.25417439703154) internal successors, (676), 554 states have internal predecessors, (676), 63 states have call successors, (63), 11 states have call predecessors, (63), 11 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-27 23:38:53,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 802 transitions. [2024-11-27 23:38:53,639 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 802 transitions. Word has length 87 [2024-11-27 23:38:53,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:53,639 INFO L471 AbstractCegarLoop]: Abstraction has 629 states and 802 transitions. [2024-11-27 23:38:53,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-27 23:38:53,639 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 802 transitions. [2024-11-27 23:38:53,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-27 23:38:53,640 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:53,640 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-11-27 23:38:53,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-27 23:38:53,641 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:38:53,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:53,641 INFO L85 PathProgramCache]: Analyzing trace with hash 198724053, now seen corresponding path program 1 times [2024-11-27 23:38:53,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:53,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278404156] [2024-11-27 23:38:53,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:53,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:53,945 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-27 23:38:53,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:53,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278404156] [2024-11-27 23:38:53,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278404156] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:38:53,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394231098] [2024-11-27 23:38:53,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:53,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:53,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:38:53,949 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:38:53,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-27 23:38:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:54,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-27 23:38:54,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:54,630 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-27 23:38:54,630 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:38:55,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394231098] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:38:55,628 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:38:55,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-27 23:38:55,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630547064] [2024-11-27 23:38:55,629 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:38:55,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-27 23:38:55,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:55,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-27 23:38:55,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2024-11-27 23:38:55,630 INFO L87 Difference]: Start difference. First operand 629 states and 802 transitions. Second operand has 16 states, 15 states have (on average 6.533333333333333) internal successors, (98), 16 states have internal predecessors, (98), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-27 23:38:57,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:57,156 INFO L93 Difference]: Finished difference Result 956 states and 1254 transitions. [2024-11-27 23:38:57,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-27 23:38:57,157 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.533333333333333) internal successors, (98), 16 states have internal predecessors, (98), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 88 [2024-11-27 23:38:57,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:57,161 INFO L225 Difference]: With dead ends: 956 [2024-11-27 23:38:57,162 INFO L226 Difference]: Without dead ends: 947 [2024-11-27 23:38:57,163 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=353, Invalid=1287, Unknown=0, NotChecked=0, Total=1640 [2024-11-27 23:38:57,163 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 541 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 546 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:57,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [546 Valid, 421 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 23:38:57,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2024-11-27 23:38:57,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 742. [2024-11-27 23:38:57,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 742 states, 642 states have (on average 1.264797507788162) internal successors, (812), 657 states have internal predecessors, (812), 73 states have call successors, (73), 11 states have call predecessors, (73), 11 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-27 23:38:57,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 958 transitions. [2024-11-27 23:38:57,244 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 958 transitions. Word has length 88 [2024-11-27 23:38:57,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:57,247 INFO L471 AbstractCegarLoop]: Abstraction has 742 states and 958 transitions. [2024-11-27 23:38:57,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.533333333333333) internal successors, (98), 16 states have internal predecessors, (98), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-27 23:38:57,248 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 958 transitions. [2024-11-27 23:38:57,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-27 23:38:57,249 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:57,249 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 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] [2024-11-27 23:38:57,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-27 23:38:57,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-27 23:38:57,450 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:38:57,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:57,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1396550732, now seen corresponding path program 1 times [2024-11-27 23:38:57,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:57,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337134356] [2024-11-27 23:38:57,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:57,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:38:57,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [655905803] [2024-11-27 23:38:57,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:57,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:57,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:38:57,487 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:38:57,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-27 23:38:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:57,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-27 23:38:57,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:58,118 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 3 proven. 47 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-27 23:38:58,118 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:38:58,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:58,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337134356] [2024-11-27 23:38:58,871 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:38:58,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655905803] [2024-11-27 23:38:58,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655905803] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:38:58,871 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:38:58,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-27 23:38:58,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787573369] [2024-11-27 23:38:58,871 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:38:58,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 23:38:58,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:58,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 23:38:58,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-27 23:38:58,873 INFO L87 Difference]: Start difference. First operand 742 states and 958 transitions. Second operand has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-27 23:38:59,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:59,521 INFO L93 Difference]: Finished difference Result 766 states and 973 transitions. [2024-11-27 23:38:59,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 23:38:59,522 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 102 [2024-11-27 23:38:59,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:59,526 INFO L225 Difference]: With dead ends: 766 [2024-11-27 23:38:59,526 INFO L226 Difference]: Without dead ends: 591 [2024-11-27 23:38:59,527 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-27 23:38:59,528 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 20 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:59,528 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 313 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:38:59,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2024-11-27 23:38:59,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 589. [2024-11-27 23:38:59,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 501 states have (on average 1.253493013972056) internal successors, (628), 516 states have internal predecessors, (628), 61 states have call successors, (61), 11 states have call predecessors, (61), 11 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-27 23:38:59,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 750 transitions. [2024-11-27 23:38:59,622 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 750 transitions. Word has length 102 [2024-11-27 23:38:59,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:59,623 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 750 transitions. [2024-11-27 23:38:59,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-27 23:38:59,623 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 750 transitions. [2024-11-27 23:38:59,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-27 23:38:59,626 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:59,626 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:59,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-27 23:38:59,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-27 23:38:59,827 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:38:59,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:59,828 INFO L85 PathProgramCache]: Analyzing trace with hash -2055452938, now seen corresponding path program 1 times [2024-11-27 23:38:59,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:59,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305844748] [2024-11-27 23:38:59,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:59,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:59,953 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-27 23:38:59,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:59,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305844748] [2024-11-27 23:38:59,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305844748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:59,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:59,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:38:59,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088179431] [2024-11-27 23:38:59,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:59,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:38:59,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:59,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:38:59,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:38:59,957 INFO L87 Difference]: Start difference. First operand 589 states and 750 transitions. Second operand has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 23:39:00,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:39:00,221 INFO L93 Difference]: Finished difference Result 593 states and 751 transitions. [2024-11-27 23:39:00,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 23:39:00,221 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 104 [2024-11-27 23:39:00,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:39:00,226 INFO L225 Difference]: With dead ends: 593 [2024-11-27 23:39:00,226 INFO L226 Difference]: Without dead ends: 550 [2024-11-27 23:39:00,227 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:39:00,228 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 32 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:39:00,228 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 229 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:39:00,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2024-11-27 23:39:00,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 545. [2024-11-27 23:39:00,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 463 states have (on average 1.2699784017278617) internal successors, (588), 477 states have internal predecessors, (588), 57 states have call successors, (57), 10 states have call predecessors, (57), 10 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-27 23:39:00,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 702 transitions. [2024-11-27 23:39:00,289 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 702 transitions. Word has length 104 [2024-11-27 23:39:00,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:39:00,289 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 702 transitions. [2024-11-27 23:39:00,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 23:39:00,290 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 702 transitions. [2024-11-27 23:39:00,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-27 23:39:00,291 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:39:00,291 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1] [2024-11-27 23:39:00,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-27 23:39:00,291 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:39:00,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:39:00,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1565033674, now seen corresponding path program 1 times [2024-11-27 23:39:00,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:39:00,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855390731] [2024-11-27 23:39:00,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:00,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:39:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:00,407 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-27 23:39:00,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:39:00,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855390731] [2024-11-27 23:39:00,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855390731] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:39:00,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940809226] [2024-11-27 23:39:00,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:00,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:39:00,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:39:00,410 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:39:00,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-27 23:39:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:00,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:39:00,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:39:00,586 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-27 23:39:00,586 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:39:00,765 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-27 23:39:00,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940809226] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:39:00,766 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:39:00,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-27 23:39:00,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106625509] [2024-11-27 23:39:00,766 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:39:00,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 23:39:00,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:39:00,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 23:39:00,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:39:00,768 INFO L87 Difference]: Start difference. First operand 545 states and 702 transitions. Second operand has 11 states, 10 states have (on average 10.6) internal successors, (106), 11 states have internal predecessors, (106), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-27 23:39:01,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:39:01,192 INFO L93 Difference]: Finished difference Result 1065 states and 1359 transitions. [2024-11-27 23:39:01,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 23:39:01,192 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.6) internal successors, (106), 11 states have internal predecessors, (106), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 106 [2024-11-27 23:39:01,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:39:01,198 INFO L225 Difference]: With dead ends: 1065 [2024-11-27 23:39:01,198 INFO L226 Difference]: Without dead ends: 1063 [2024-11-27 23:39:01,199 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:39:01,200 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 445 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:39:01,200 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 432 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:39:01,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2024-11-27 23:39:01,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 705. [2024-11-27 23:39:01,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 605 states have (on average 1.2793388429752066) internal successors, (774), 619 states have internal predecessors, (774), 75 states have call successors, (75), 10 states have call predecessors, (75), 10 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-27 23:39:01,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 924 transitions. [2024-11-27 23:39:01,290 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 924 transitions. Word has length 106 [2024-11-27 23:39:01,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:39:01,291 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 924 transitions. [2024-11-27 23:39:01,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.6) internal successors, (106), 11 states have internal predecessors, (106), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-27 23:39:01,291 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 924 transitions. [2024-11-27 23:39:01,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-27 23:39:01,293 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:39:01,293 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:39:01,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-27 23:39:01,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:39:01,497 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:39:01,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:39:01,498 INFO L85 PathProgramCache]: Analyzing trace with hash 932747090, now seen corresponding path program 2 times [2024-11-27 23:39:01,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:39:01,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814884071] [2024-11-27 23:39:01,498 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:39:01,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:39:01,529 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:39:01,529 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 23:39:01,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [268623108] [2024-11-27 23:39:01,530 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:39:01,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:39:01,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:39:01,533 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:39:01,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-27 23:39:01,605 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:39:01,605 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:39:01,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-27 23:39:01,610 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:39:02,384 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:39:02,384 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:39:07,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:39:07,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814884071] [2024-11-27 23:39:07,563 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:39:07,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268623108] [2024-11-27 23:39:07,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268623108] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:39:07,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:39:07,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-27 23:39:07,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703534427] [2024-11-27 23:39:07,564 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:39:07,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 23:39:07,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:39:07,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 23:39:07,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=219, Unknown=1, NotChecked=0, Total=272 [2024-11-27 23:39:07,566 INFO L87 Difference]: Start difference. First operand 705 states and 924 transitions. Second operand has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-27 23:39:08,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:39:08,554 INFO L93 Difference]: Finished difference Result 733 states and 959 transitions. [2024-11-27 23:39:08,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 23:39:08,555 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 114 [2024-11-27 23:39:08,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:39:08,558 INFO L225 Difference]: With dead ends: 733 [2024-11-27 23:39:08,559 INFO L226 Difference]: Without dead ends: 732 [2024-11-27 23:39:08,561 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=62, Invalid=243, Unknown=1, NotChecked=0, Total=306 [2024-11-27 23:39:08,562 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 34 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:39:08,562 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 545 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1003 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 23:39:08,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2024-11-27 23:39:08,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 705. [2024-11-27 23:39:08,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 605 states have (on average 1.2776859504132232) internal successors, (773), 619 states have internal predecessors, (773), 75 states have call successors, (75), 10 states have call predecessors, (75), 10 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-27 23:39:08,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 923 transitions. [2024-11-27 23:39:08,643 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 923 transitions. Word has length 114 [2024-11-27 23:39:08,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:39:08,644 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 923 transitions. [2024-11-27 23:39:08,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-27 23:39:08,645 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 923 transitions. [2024-11-27 23:39:08,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-27 23:39:08,646 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:39:08,646 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:39:08,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-27 23:39:08,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:39:08,847 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:39:08,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:39:08,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1074344237, now seen corresponding path program 1 times [2024-11-27 23:39:08,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:39:08,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995873682] [2024-11-27 23:39:08,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:08,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:39:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:09,019 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 10 proven. 37 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-27 23:39:09,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:39:09,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995873682] [2024-11-27 23:39:09,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995873682] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:39:09,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162779681] [2024-11-27 23:39:09,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:09,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:39:09,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:39:09,023 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:39:09,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-27 23:39:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:09,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:39:09,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:39:09,421 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2024-11-27 23:39:09,421 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:39:09,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [162779681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:39:09,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:39:09,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-27 23:39:09,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734608201] [2024-11-27 23:39:09,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:39:09,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:39:09,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:39:09,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:39:09,423 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:39:09,423 INFO L87 Difference]: Start difference. First operand 705 states and 923 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-27 23:39:09,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:39:09,539 INFO L93 Difference]: Finished difference Result 711 states and 925 transitions. [2024-11-27 23:39:09,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:39:09,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 127 [2024-11-27 23:39:09,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:39:09,543 INFO L225 Difference]: With dead ends: 711 [2024-11-27 23:39:09,543 INFO L226 Difference]: Without dead ends: 706 [2024-11-27 23:39:09,544 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 128 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:39:09,544 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 10 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:39:09,544 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 83 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:39:09,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2024-11-27 23:39:09,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 699. [2024-11-27 23:39:09,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 599 states have (on average 1.2520868113522539) internal successors, (750), 613 states have internal predecessors, (750), 75 states have call successors, (75), 10 states have call predecessors, (75), 10 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-27 23:39:09,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 900 transitions. [2024-11-27 23:39:09,621 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 900 transitions. Word has length 127 [2024-11-27 23:39:09,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:39:09,621 INFO L471 AbstractCegarLoop]: Abstraction has 699 states and 900 transitions. [2024-11-27 23:39:09,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-27 23:39:09,621 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 900 transitions. [2024-11-27 23:39:09,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-27 23:39:09,623 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:39:09,623 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:39:09,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-27 23:39:09,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-27 23:39:09,826 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:39:09,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:39:09,827 INFO L85 PathProgramCache]: Analyzing trace with hash 664453745, now seen corresponding path program 2 times [2024-11-27 23:39:09,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:39:09,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623865756] [2024-11-27 23:39:09,828 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:39:09,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:39:09,850 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:39:09,850 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:39:10,135 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-27 23:39:10,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:39:10,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623865756] [2024-11-27 23:39:10,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623865756] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:39:10,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946669932] [2024-11-27 23:39:10,136 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:39:10,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:39:10,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:39:10,138 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:39:10,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-27 23:39:10,240 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:39:10,240 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:39:10,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:39:10,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:39:10,415 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 34 proven. 13 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-27 23:39:10,415 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:39:10,665 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 34 proven. 13 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-27 23:39:10,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946669932] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:39:10,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:39:10,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2024-11-27 23:39:10,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515636] [2024-11-27 23:39:10,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:39:10,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:39:10,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:39:10,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:39:10,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:39:10,669 INFO L87 Difference]: Start difference. First operand 699 states and 900 transitions. Second operand has 8 states, 8 states have (on average 14.625) internal successors, (117), 8 states have internal predecessors, (117), 6 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) [2024-11-27 23:39:10,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:39:10,894 INFO L93 Difference]: Finished difference Result 722 states and 918 transitions. [2024-11-27 23:39:10,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:39:10,895 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 8 states have internal predecessors, (117), 6 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) Word has length 128 [2024-11-27 23:39:10,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:39:10,901 INFO L225 Difference]: With dead ends: 722 [2024-11-27 23:39:10,901 INFO L226 Difference]: Without dead ends: 715 [2024-11-27 23:39:10,902 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 251 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:39:10,902 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 70 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:39:10,903 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 260 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:39:10,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2024-11-27 23:39:10,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 699. [2024-11-27 23:39:10,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 599 states have (on average 1.2454090150250416) internal successors, (746), 613 states have internal predecessors, (746), 75 states have call successors, (75), 10 states have call predecessors, (75), 10 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-27 23:39:10,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 896 transitions. [2024-11-27 23:39:10,986 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 896 transitions. Word has length 128 [2024-11-27 23:39:10,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:39:10,987 INFO L471 AbstractCegarLoop]: Abstraction has 699 states and 896 transitions. [2024-11-27 23:39:10,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 8 states have internal predecessors, (117), 6 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) [2024-11-27 23:39:10,987 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 896 transitions. [2024-11-27 23:39:10,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-27 23:39:10,990 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:39:10,990 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1] [2024-11-27 23:39:11,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-27 23:39:11,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-27 23:39:11,195 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:39:11,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:39:11,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1729782705, now seen corresponding path program 2 times [2024-11-27 23:39:11,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:39:11,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697676729] [2024-11-27 23:39:11,196 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:39:11,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:39:11,215 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:39:11,216 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:39:11,376 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-27 23:39:11,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:39:11,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697676729] [2024-11-27 23:39:11,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697676729] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:39:11,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578314304] [2024-11-27 23:39:11,377 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:39:11,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:39:11,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:39:11,380 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:39:11,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-27 23:39:11,460 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:39:11,461 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:39:11,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 23:39:11,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:39:11,605 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-27 23:39:11,605 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:39:11,864 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-27 23:39:11,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578314304] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:39:11,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:39:11,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-27 23:39:11,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468735120] [2024-11-27 23:39:11,865 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:39:11,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 23:39:11,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:39:11,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 23:39:11,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:39:11,867 INFO L87 Difference]: Start difference. First operand 699 states and 896 transitions. Second operand has 13 states, 12 states have (on average 10.166666666666666) internal successors, (122), 13 states have internal predecessors, (122), 11 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 11 states have call predecessors, (33), 11 states have call successors, (33) [2024-11-27 23:39:12,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:39:12,459 INFO L93 Difference]: Finished difference Result 1541 states and 2016 transitions. [2024-11-27 23:39:12,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 23:39:12,460 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.166666666666666) internal successors, (122), 13 states have internal predecessors, (122), 11 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 11 states have call predecessors, (33), 11 states have call successors, (33) Word has length 130 [2024-11-27 23:39:12,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:39:12,467 INFO L225 Difference]: With dead ends: 1541 [2024-11-27 23:39:12,468 INFO L226 Difference]: Without dead ends: 1539 [2024-11-27 23:39:12,469 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:39:12,470 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 474 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:39:12,470 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 506 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:39:12,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1539 states. [2024-11-27 23:39:12,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1539 to 725. [2024-11-27 23:39:12,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 619 states have (on average 1.235864297253635) internal successors, (765), 633 states have internal predecessors, (765), 81 states have call successors, (81), 10 states have call predecessors, (81), 10 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-27 23:39:12,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 927 transitions. [2024-11-27 23:39:12,601 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 927 transitions. Word has length 130 [2024-11-27 23:39:12,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:39:12,602 INFO L471 AbstractCegarLoop]: Abstraction has 725 states and 927 transitions. [2024-11-27 23:39:12,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.166666666666666) internal successors, (122), 13 states have internal predecessors, (122), 11 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 11 states have call predecessors, (33), 11 states have call successors, (33) [2024-11-27 23:39:12,602 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 927 transitions. [2024-11-27 23:39:12,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-27 23:39:12,605 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:39:12,605 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:39:12,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-27 23:39:12,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-27 23:39:12,806 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:39:12,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:39:12,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1726289507, now seen corresponding path program 1 times [2024-11-27 23:39:12,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:39:12,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936280212] [2024-11-27 23:39:12,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:12,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:39:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:13,113 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-27 23:39:13,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:39:13,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936280212] [2024-11-27 23:39:13,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936280212] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:39:13,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596371947] [2024-11-27 23:39:13,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:13,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:39:13,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:39:13,117 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:39:13,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-27 23:39:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:13,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 23:39:13,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:39:13,764 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 28 proven. 24 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-27 23:39:13,765 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:39:14,528 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 34 proven. 18 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-27 23:39:14,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1596371947] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:39:14,529 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:39:14,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 19 [2024-11-27 23:39:14,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992407346] [2024-11-27 23:39:14,530 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:39:14,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-27 23:39:14,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:39:14,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-27 23:39:14,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2024-11-27 23:39:14,533 INFO L87 Difference]: Start difference. First operand 725 states and 927 transitions. Second operand has 20 states, 19 states have (on average 10.31578947368421) internal successors, (196), 20 states have internal predecessors, (196), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-27 23:39:15,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:39:15,568 INFO L93 Difference]: Finished difference Result 1024 states and 1312 transitions. [2024-11-27 23:39:15,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-27 23:39:15,569 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 10.31578947368421) internal successors, (196), 20 states have internal predecessors, (196), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 130 [2024-11-27 23:39:15,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:39:15,574 INFO L225 Difference]: With dead ends: 1024 [2024-11-27 23:39:15,574 INFO L226 Difference]: Without dead ends: 914 [2024-11-27 23:39:15,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=346, Invalid=914, Unknown=0, NotChecked=0, Total=1260 [2024-11-27 23:39:15,576 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 492 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:39:15,577 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 718 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 23:39:15,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2024-11-27 23:39:15,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 711. [2024-11-27 23:39:15,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 601 states have (on average 1.259567387687188) internal successors, (757), 615 states have internal predecessors, (757), 85 states have call successors, (85), 10 states have call predecessors, (85), 10 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-27 23:39:15,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 927 transitions. [2024-11-27 23:39:15,696 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 927 transitions. Word has length 130 [2024-11-27 23:39:15,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:39:15,697 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 927 transitions. [2024-11-27 23:39:15,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 10.31578947368421) internal successors, (196), 20 states have internal predecessors, (196), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-27 23:39:15,697 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 927 transitions. [2024-11-27 23:39:15,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-27 23:39:15,699 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:39:15,699 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-27 23:39:15,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-27 23:39:15,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-27 23:39:15,904 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:39:15,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:39:15,904 INFO L85 PathProgramCache]: Analyzing trace with hash -397359431, now seen corresponding path program 1 times [2024-11-27 23:39:15,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:39:15,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275201489] [2024-11-27 23:39:15,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:15,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:39:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:16,267 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 21 proven. 21 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-27 23:39:16,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:39:16,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275201489] [2024-11-27 23:39:16,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275201489] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:39:16,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116494600] [2024-11-27 23:39:16,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:16,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:39:16,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:39:16,271 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:39:16,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-27 23:39:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:16,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 23:39:16,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:39:16,820 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 34 proven. 21 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-27 23:39:16,820 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:39:21,803 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-27 23:39:21,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116494600] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:39:21,803 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:39:21,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 8] total 20 [2024-11-27 23:39:21,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91972944] [2024-11-27 23:39:21,804 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:39:21,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-27 23:39:21,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:39:21,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-27 23:39:21,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2024-11-27 23:39:21,806 INFO L87 Difference]: Start difference. First operand 711 states and 927 transitions. Second operand has 21 states, 20 states have (on average 10.1) internal successors, (202), 21 states have internal predecessors, (202), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-11-27 23:39:22,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:39:22,500 INFO L93 Difference]: Finished difference Result 956 states and 1278 transitions. [2024-11-27 23:39:22,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 23:39:22,500 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 10.1) internal successors, (202), 21 states have internal predecessors, (202), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) Word has length 135 [2024-11-27 23:39:22,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:39:22,504 INFO L225 Difference]: With dead ends: 956 [2024-11-27 23:39:22,504 INFO L226 Difference]: Without dead ends: 955 [2024-11-27 23:39:22,504 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=204, Invalid=396, Unknown=0, NotChecked=0, Total=600 [2024-11-27 23:39:22,505 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 532 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:39:22,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [536 Valid, 373 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:39:22,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2024-11-27 23:39:22,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 710. [2024-11-27 23:39:22,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 601 states have (on average 1.2529118136439268) internal successors, (753), 614 states have internal predecessors, (753), 85 states have call successors, (85), 10 states have call predecessors, (85), 10 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-27 23:39:22,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 923 transitions. [2024-11-27 23:39:22,609 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 923 transitions. Word has length 135 [2024-11-27 23:39:22,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:39:22,610 INFO L471 AbstractCegarLoop]: Abstraction has 710 states and 923 transitions. [2024-11-27 23:39:22,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 10.1) internal successors, (202), 21 states have internal predecessors, (202), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-11-27 23:39:22,610 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 923 transitions. [2024-11-27 23:39:22,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-27 23:39:22,612 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:39:22,612 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:39:22,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-27 23:39:22,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-27 23:39:22,816 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:39:22,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:39:22,816 INFO L85 PathProgramCache]: Analyzing trace with hash -397103227, now seen corresponding path program 1 times [2024-11-27 23:39:22,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:39:22,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474431511] [2024-11-27 23:39:22,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:22,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:39:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:23,158 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-27 23:39:23,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:39:23,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474431511] [2024-11-27 23:39:23,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474431511] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:39:23,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781040083] [2024-11-27 23:39:23,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:23,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:39:23,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:39:23,161 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:39:23,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-27 23:39:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:23,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 23:39:23,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:39:23,702 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 6 proven. 320 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-27 23:39:23,702 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:39:24,250 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 6 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-27 23:39:24,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781040083] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:39:24,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:39:24,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 36 [2024-11-27 23:39:24,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998202985] [2024-11-27 23:39:24,251 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:39:24,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-27 23:39:24,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:39:24,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-27 23:39:24,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=1047, Unknown=0, NotChecked=0, Total=1332 [2024-11-27 23:39:24,254 INFO L87 Difference]: Start difference. First operand 710 states and 923 transitions. Second operand has 37 states, 36 states have (on average 6.222222222222222) internal successors, (224), 37 states have internal predecessors, (224), 15 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 15 states have call predecessors, (39), 15 states have call successors, (39) [2024-11-27 23:39:25,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:39:25,551 INFO L93 Difference]: Finished difference Result 2139 states and 2840 transitions. [2024-11-27 23:39:25,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-27 23:39:25,552 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 6.222222222222222) internal successors, (224), 37 states have internal predecessors, (224), 15 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 15 states have call predecessors, (39), 15 states have call successors, (39) Word has length 135 [2024-11-27 23:39:25,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:39:25,562 INFO L225 Difference]: With dead ends: 2139 [2024-11-27 23:39:25,562 INFO L226 Difference]: Without dead ends: 2131 [2024-11-27 23:39:25,565 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 776 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=926, Invalid=2980, Unknown=0, NotChecked=0, Total=3906 [2024-11-27 23:39:25,565 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 481 mSDsluCounter, 782 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:39:25,566 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 846 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:39:25,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2131 states. [2024-11-27 23:39:25,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2131 to 2036. [2024-11-27 23:39:25,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2036 states, 1796 states have (on average 1.2761692650334076) internal successors, (2292), 1809 states have internal predecessors, (2292), 209 states have call successors, (209), 17 states have call predecessors, (209), 17 states have return successors, (209), 209 states have call predecessors, (209), 209 states have call successors, (209) [2024-11-27 23:39:25,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 2036 states and 2710 transitions. [2024-11-27 23:39:25,826 INFO L78 Accepts]: Start accepts. Automaton has 2036 states and 2710 transitions. Word has length 135 [2024-11-27 23:39:25,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:39:25,828 INFO L471 AbstractCegarLoop]: Abstraction has 2036 states and 2710 transitions. [2024-11-27 23:39:25,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 6.222222222222222) internal successors, (224), 37 states have internal predecessors, (224), 15 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 15 states have call predecessors, (39), 15 states have call successors, (39) [2024-11-27 23:39:25,828 INFO L276 IsEmpty]: Start isEmpty. Operand 2036 states and 2710 transitions. [2024-11-27 23:39:25,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-27 23:39:25,830 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:39:25,830 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1, 1, 1, 1] [2024-11-27 23:39:25,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-27 23:39:26,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:39:26,031 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:39:26,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:39:26,032 INFO L85 PathProgramCache]: Analyzing trace with hash 566759647, now seen corresponding path program 1 times [2024-11-27 23:39:26,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:39:26,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572973933] [2024-11-27 23:39:26,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:26,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:39:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:26,408 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-27 23:39:26,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:39:26,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572973933] [2024-11-27 23:39:26,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572973933] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:39:26,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531233935] [2024-11-27 23:39:26,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:26,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:39:26,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:39:26,411 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:39:26,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-27 23:39:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:26,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 23:39:26,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:39:27,000 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-27 23:39:27,001 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:39:29,527 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-27 23:39:29,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531233935] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:39:29,528 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:39:29,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2024-11-27 23:39:29,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035454794] [2024-11-27 23:39:29,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:39:29,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-27 23:39:29,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:39:29,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-27 23:39:29,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=298, Unknown=0, NotChecked=0, Total=462 [2024-11-27 23:39:29,530 INFO L87 Difference]: Start difference. First operand 2036 states and 2710 transitions. Second operand has 22 states, 21 states have (on average 10.19047619047619) internal successors, (214), 22 states have internal predecessors, (214), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-27 23:39:31,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:39:31,404 INFO L93 Difference]: Finished difference Result 2840 states and 3773 transitions. [2024-11-27 23:39:31,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-27 23:39:31,405 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 10.19047619047619) internal successors, (214), 22 states have internal predecessors, (214), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 136 [2024-11-27 23:39:31,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:39:31,419 INFO L225 Difference]: With dead ends: 2840 [2024-11-27 23:39:31,419 INFO L226 Difference]: Without dead ends: 2839 [2024-11-27 23:39:31,421 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=397, Invalid=659, Unknown=0, NotChecked=0, Total=1056 [2024-11-27 23:39:31,422 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 488 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:39:31,422 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 738 Invalid, 830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-27 23:39:31,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2839 states. [2024-11-27 23:39:31,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2839 to 2531. [2024-11-27 23:39:31,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2531 states, 2249 states have (on average 1.2738995108937305) internal successors, (2865), 2262 states have internal predecessors, (2865), 251 states have call successors, (251), 17 states have call predecessors, (251), 17 states have return successors, (251), 251 states have call predecessors, (251), 251 states have call successors, (251) [2024-11-27 23:39:31,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2531 states to 2531 states and 3367 transitions. [2024-11-27 23:39:31,747 INFO L78 Accepts]: Start accepts. Automaton has 2531 states and 3367 transitions. Word has length 136 [2024-11-27 23:39:31,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:39:31,747 INFO L471 AbstractCegarLoop]: Abstraction has 2531 states and 3367 transitions. [2024-11-27 23:39:31,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 10.19047619047619) internal successors, (214), 22 states have internal predecessors, (214), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-27 23:39:31,748 INFO L276 IsEmpty]: Start isEmpty. Operand 2531 states and 3367 transitions. [2024-11-27 23:39:31,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-27 23:39:31,749 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:39:31,749 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:39:31,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-27 23:39:31,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-27 23:39:31,954 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:39:31,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:39:31,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1945923821, now seen corresponding path program 1 times [2024-11-27 23:39:31,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:39:31,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379105428] [2024-11-27 23:39:31,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:31,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:39:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:32,262 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:39:32,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:39:32,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379105428] [2024-11-27 23:39:32,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379105428] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:39:32,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357248657] [2024-11-27 23:39:32,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:32,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:39:32,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:39:32,266 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:39:32,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-27 23:39:32,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:32,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-27 23:39:32,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:39:32,595 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 388 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-27 23:39:32,595 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:39:32,954 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:39:32,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1357248657] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:39:32,954 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:39:32,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 14] total 29 [2024-11-27 23:39:32,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051643769] [2024-11-27 23:39:32,954 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:39:32,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-27 23:39:32,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:39:32,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-27 23:39:32,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=617, Unknown=0, NotChecked=0, Total=812 [2024-11-27 23:39:32,956 INFO L87 Difference]: Start difference. First operand 2531 states and 3367 transitions. Second operand has 29 states, 29 states have (on average 5.413793103448276) internal successors, (157), 29 states have internal predecessors, (157), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2024-11-27 23:39:34,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:39:34,100 INFO L93 Difference]: Finished difference Result 3171 states and 4159 transitions. [2024-11-27 23:39:34,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-27 23:39:34,101 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 5.413793103448276) internal successors, (157), 29 states have internal predecessors, (157), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) Word has length 137 [2024-11-27 23:39:34,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:39:34,119 INFO L225 Difference]: With dead ends: 3171 [2024-11-27 23:39:34,119 INFO L226 Difference]: Without dead ends: 2686 [2024-11-27 23:39:34,123 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=694, Invalid=2386, Unknown=0, NotChecked=0, Total=3080 [2024-11-27 23:39:34,123 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 240 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:39:34,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 619 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:39:34,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2686 states. [2024-11-27 23:39:34,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2686 to 2661. [2024-11-27 23:39:34,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2661 states, 2365 states have (on average 1.2634249471458774) internal successors, (2988), 2378 states have internal predecessors, (2988), 259 states have call successors, (259), 23 states have call predecessors, (259), 23 states have return successors, (259), 259 states have call predecessors, (259), 259 states have call successors, (259) [2024-11-27 23:39:34,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2661 states to 2661 states and 3506 transitions. [2024-11-27 23:39:34,468 INFO L78 Accepts]: Start accepts. Automaton has 2661 states and 3506 transitions. Word has length 137 [2024-11-27 23:39:34,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:39:34,468 INFO L471 AbstractCegarLoop]: Abstraction has 2661 states and 3506 transitions. [2024-11-27 23:39:34,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 5.413793103448276) internal successors, (157), 29 states have internal predecessors, (157), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2024-11-27 23:39:34,469 INFO L276 IsEmpty]: Start isEmpty. Operand 2661 states and 3506 transitions. [2024-11-27 23:39:34,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-27 23:39:34,470 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:39:34,470 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:39:34,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-27 23:39:34,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-27 23:39:34,671 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:39:34,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:39:34,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1846029681, now seen corresponding path program 3 times [2024-11-27 23:39:34,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:39:34,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612032111] [2024-11-27 23:39:34,672 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:39:34,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:39:34,730 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-27 23:39:34,730 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 23:39:34,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1403736514] [2024-11-27 23:39:34,732 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:39:34,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:39:34,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:39:34,734 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:39:34,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-27 23:39:34,802 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-27 23:39:34,802 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:39:34,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 23:39:34,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:39:35,556 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2024-11-27 23:39:35,557 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:39:51,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:39:51,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612032111] [2024-11-27 23:39:51,695 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:39:51,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403736514] [2024-11-27 23:39:51,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403736514] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:39:51,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:39:51,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-27 23:39:51,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504569148] [2024-11-27 23:39:51,696 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:39:51,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 23:39:51,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:39:51,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 23:39:51,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=178, Unknown=3, NotChecked=0, Total=240 [2024-11-27 23:39:51,699 INFO L87 Difference]: Start difference. First operand 2661 states and 3506 transitions. Second operand has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-27 23:39:52,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:39:52,375 INFO L93 Difference]: Finished difference Result 2724 states and 3568 transitions. [2024-11-27 23:39:52,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 23:39:52,376 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 140 [2024-11-27 23:39:52,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:39:52,406 INFO L225 Difference]: With dead ends: 2724 [2024-11-27 23:39:52,406 INFO L226 Difference]: Without dead ends: 2723 [2024-11-27 23:39:52,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 15.1s TimeCoverageRelationStatistics Valid=99, Invalid=278, Unknown=3, NotChecked=0, Total=380 [2024-11-27 23:39:52,408 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 100 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:39:52,408 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 165 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:39:52,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2723 states. [2024-11-27 23:39:52,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2723 to 2661. [2024-11-27 23:39:52,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2661 states, 2365 states have (on average 1.255813953488372) internal successors, (2970), 2378 states have internal predecessors, (2970), 259 states have call successors, (259), 23 states have call predecessors, (259), 23 states have return successors, (259), 259 states have call predecessors, (259), 259 states have call successors, (259) [2024-11-27 23:39:52,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2661 states to 2661 states and 3488 transitions. [2024-11-27 23:39:52,735 INFO L78 Accepts]: Start accepts. Automaton has 2661 states and 3488 transitions. Word has length 140 [2024-11-27 23:39:52,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:39:52,736 INFO L471 AbstractCegarLoop]: Abstraction has 2661 states and 3488 transitions. [2024-11-27 23:39:52,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-27 23:39:52,736 INFO L276 IsEmpty]: Start isEmpty. Operand 2661 states and 3488 transitions. [2024-11-27 23:39:52,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-27 23:39:52,737 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:39:52,738 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1, 1, 1] [2024-11-27 23:39:52,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-27 23:39:52,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:39:52,942 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:39:52,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:39:52,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1989932688, now seen corresponding path program 2 times [2024-11-27 23:39:52,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:39:52,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414385655] [2024-11-27 23:39:52,943 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:39:52,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:39:52,982 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:39:52,982 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 23:39:52,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1269774330] [2024-11-27 23:39:52,984 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:39:52,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:39:52,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:39:52,991 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:39:52,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-27 23:39:53,051 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 23:39:53,051 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:39:53,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:39:53,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:39:53,299 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2024-11-27 23:39:53,299 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:39:53,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:39:53,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414385655] [2024-11-27 23:39:53,300 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:39:53,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269774330] [2024-11-27 23:39:53,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1269774330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:39:53,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:39:53,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:39:53,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258058769] [2024-11-27 23:39:53,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:39:53,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:39:53,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:39:53,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:39:53,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:39:53,302 INFO L87 Difference]: Start difference. First operand 2661 states and 3488 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-27 23:39:53,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:39:53,677 INFO L93 Difference]: Finished difference Result 2661 states and 3488 transitions. [2024-11-27 23:39:53,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:39:53,678 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 141 [2024-11-27 23:39:53,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:39:53,689 INFO L225 Difference]: With dead ends: 2661 [2024-11-27 23:39:53,689 INFO L226 Difference]: Without dead ends: 2660 [2024-11-27 23:39:53,690 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:39:53,690 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 80 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:39:53,691 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 80 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:39:53,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2660 states. [2024-11-27 23:39:53,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2660 to 2485. [2024-11-27 23:39:53,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2485 states, 2208 states have (on average 1.225090579710145) internal successors, (2705), 2220 states have internal predecessors, (2705), 241 states have call successors, (241), 23 states have call predecessors, (241), 23 states have return successors, (241), 241 states have call predecessors, (241), 241 states have call successors, (241) [2024-11-27 23:39:53,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 2485 states and 3187 transitions. [2024-11-27 23:39:53,904 INFO L78 Accepts]: Start accepts. Automaton has 2485 states and 3187 transitions. Word has length 141 [2024-11-27 23:39:53,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:39:53,904 INFO L471 AbstractCegarLoop]: Abstraction has 2485 states and 3187 transitions. [2024-11-27 23:39:53,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-27 23:39:53,904 INFO L276 IsEmpty]: Start isEmpty. Operand 2485 states and 3187 transitions. [2024-11-27 23:39:53,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-27 23:39:53,906 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:39:53,906 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-27 23:39:53,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-27 23:39:54,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:39:54,107 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:39:54,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:39:54,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1348963944, now seen corresponding path program 4 times [2024-11-27 23:39:54,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:39:54,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789033991] [2024-11-27 23:39:54,107 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 23:39:54,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:39:54,127 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 23:39:54,127 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:39:54,494 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-27 23:39:54,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:39:54,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789033991] [2024-11-27 23:39:54,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789033991] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:39:54,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640113708] [2024-11-27 23:39:54,495 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 23:39:54,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:39:54,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:39:54,497 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:39:54,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-27 23:39:54,586 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 23:39:54,586 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:39:54,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-27 23:39:54,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:39:55,410 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-27 23:39:55,410 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:39:55,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [640113708] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:39:55,861 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:39:55,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 22 [2024-11-27 23:39:55,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422577329] [2024-11-27 23:39:55,861 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:39:55,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-27 23:39:55,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:39:55,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-27 23:39:55,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=563, Unknown=0, NotChecked=0, Total=650 [2024-11-27 23:39:55,863 INFO L87 Difference]: Start difference. First operand 2485 states and 3187 transitions. Second operand has 23 states, 22 states have (on average 7.2727272727272725) internal successors, (160), 23 states have internal predecessors, (160), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-27 23:39:57,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:39:57,130 INFO L93 Difference]: Finished difference Result 2609 states and 3339 transitions. [2024-11-27 23:39:57,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-27 23:39:57,131 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 7.2727272727272725) internal successors, (160), 23 states have internal predecessors, (160), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) Word has length 144 [2024-11-27 23:39:57,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:39:57,140 INFO L225 Difference]: With dead ends: 2609 [2024-11-27 23:39:57,140 INFO L226 Difference]: Without dead ends: 2602 [2024-11-27 23:39:57,141 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 148 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=200, Invalid=1282, Unknown=0, NotChecked=0, Total=1482 [2024-11-27 23:39:57,142 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 264 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 1149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:39:57,142 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 767 Invalid, 1149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1106 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 23:39:57,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2602 states. [2024-11-27 23:39:57,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2602 to 2486. [2024-11-27 23:39:57,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2486 states, 2209 states have (on average 1.2236306020823902) internal successors, (2703), 2221 states have internal predecessors, (2703), 241 states have call successors, (241), 23 states have call predecessors, (241), 23 states have return successors, (241), 241 states have call predecessors, (241), 241 states have call successors, (241) [2024-11-27 23:39:57,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2486 states and 3185 transitions. [2024-11-27 23:39:57,373 INFO L78 Accepts]: Start accepts. Automaton has 2486 states and 3185 transitions. Word has length 144 [2024-11-27 23:39:57,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:39:57,374 INFO L471 AbstractCegarLoop]: Abstraction has 2486 states and 3185 transitions. [2024-11-27 23:39:57,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 7.2727272727272725) internal successors, (160), 23 states have internal predecessors, (160), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-27 23:39:57,374 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 3185 transitions. [2024-11-27 23:39:57,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-27 23:39:57,376 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:39:57,376 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:39:57,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-27 23:39:57,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-11-27 23:39:57,576 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:39:57,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:39:57,577 INFO L85 PathProgramCache]: Analyzing trace with hash 736320963, now seen corresponding path program 1 times [2024-11-27 23:39:57,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:39:57,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694869114] [2024-11-27 23:39:57,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:57,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:39:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:39:57,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1499338643] [2024-11-27 23:39:57,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:57,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:39:57,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:39:57,601 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:39:57,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-27 23:39:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:57,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:39:57,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:39:57,934 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2024-11-27 23:39:57,935 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:39:57,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:39:57,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694869114] [2024-11-27 23:39:57,935 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:39:57,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1499338643] [2024-11-27 23:39:57,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1499338643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:39:57,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:39:57,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:39:57,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819588413] [2024-11-27 23:39:57,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:39:57,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:39:57,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:39:57,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:39:57,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:39:57,937 INFO L87 Difference]: Start difference. First operand 2486 states and 3185 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-27 23:39:58,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:39:58,112 INFO L93 Difference]: Finished difference Result 2493 states and 3191 transitions. [2024-11-27 23:39:58,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:39:58,112 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 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 147 [2024-11-27 23:39:58,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:39:58,120 INFO L225 Difference]: With dead ends: 2493 [2024-11-27 23:39:58,120 INFO L226 Difference]: Without dead ends: 2491 [2024-11-27 23:39:58,121 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:39:58,122 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 39 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:39:58,122 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 76 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:39:58,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2491 states. [2024-11-27 23:39:58,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2491 to 1936. [2024-11-27 23:39:58,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1936 states, 1713 states have (on average 1.1873905429071805) internal successors, (2034), 1723 states have internal predecessors, (2034), 189 states have call successors, (189), 23 states have call predecessors, (189), 23 states have return successors, (189), 189 states have call predecessors, (189), 189 states have call successors, (189) [2024-11-27 23:39:58,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 1936 states and 2412 transitions. [2024-11-27 23:39:58,401 INFO L78 Accepts]: Start accepts. Automaton has 1936 states and 2412 transitions. Word has length 147 [2024-11-27 23:39:58,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:39:58,402 INFO L471 AbstractCegarLoop]: Abstraction has 1936 states and 2412 transitions. [2024-11-27 23:39:58,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-27 23:39:58,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 2412 transitions. [2024-11-27 23:39:58,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-27 23:39:58,404 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:39:58,404 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:39:58,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-27 23:39:58,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:39:58,605 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:39:58,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:39:58,605 INFO L85 PathProgramCache]: Analyzing trace with hash 2141471629, now seen corresponding path program 1 times [2024-11-27 23:39:58,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:39:58,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124444285] [2024-11-27 23:39:58,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:58,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:39:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:39:58,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [642653878] [2024-11-27 23:39:58,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:58,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:39:58,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:39:58,634 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:39:58,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-27 23:39:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:58,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-27 23:39:58,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:39:59,668 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-27 23:39:59,669 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:40:00,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:40:00,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124444285] [2024-11-27 23:40:00,264 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:40:00,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642653878] [2024-11-27 23:40:00,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642653878] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:40:00,264 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:40:00,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-27 23:40:00,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684495844] [2024-11-27 23:40:00,264 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:40:00,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 23:40:00,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:40:00,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 23:40:00,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2024-11-27 23:40:00,265 INFO L87 Difference]: Start difference. First operand 1936 states and 2412 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-27 23:40:00,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:40:00,950 INFO L93 Difference]: Finished difference Result 1938 states and 2413 transitions. [2024-11-27 23:40:00,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 23:40:00,950 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 154 [2024-11-27 23:40:00,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:40:00,956 INFO L225 Difference]: With dead ends: 1938 [2024-11-27 23:40:00,956 INFO L226 Difference]: Without dead ends: 1936 [2024-11-27 23:40:00,957 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2024-11-27 23:40:00,958 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 14 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:40:00,958 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 463 Invalid, 806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:40:00,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1936 states. [2024-11-27 23:40:01,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1936 to 1936. [2024-11-27 23:40:01,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1936 states, 1713 states have (on average 1.1868067717454758) internal successors, (2033), 1723 states have internal predecessors, (2033), 189 states have call successors, (189), 23 states have call predecessors, (189), 23 states have return successors, (189), 189 states have call predecessors, (189), 189 states have call successors, (189) [2024-11-27 23:40:01,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 1936 states and 2411 transitions. [2024-11-27 23:40:01,176 INFO L78 Accepts]: Start accepts. Automaton has 1936 states and 2411 transitions. Word has length 154 [2024-11-27 23:40:01,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:40:01,177 INFO L471 AbstractCegarLoop]: Abstraction has 1936 states and 2411 transitions. [2024-11-27 23:40:01,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-27 23:40:01,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 2411 transitions. [2024-11-27 23:40:01,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-27 23:40:01,179 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:40:01,179 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-27 23:40:01,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-27 23:40:01,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:40:01,380 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:40:01,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:40:01,381 INFO L85 PathProgramCache]: Analyzing trace with hash 742955783, now seen corresponding path program 3 times [2024-11-27 23:40:01,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:40:01,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135219690] [2024-11-27 23:40:01,381 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:40:01,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:40:01,446 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-27 23:40:01,446 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 23:40:01,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [779831510] [2024-11-27 23:40:01,449 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:40:01,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:40:01,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:40:01,451 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:40:01,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-27 23:40:01,538 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-27 23:40:01,538 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:40:01,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-27 23:40:01,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:40:02,229 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 120 proven. 50 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2024-11-27 23:40:02,230 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:40:02,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:40:02,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135219690] [2024-11-27 23:40:02,396 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:40:02,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779831510] [2024-11-27 23:40:02,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779831510] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:40:02,396 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:40:02,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-27 23:40:02,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156795602] [2024-11-27 23:40:02,397 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:40:02,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 23:40:02,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:40:02,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 23:40:02,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-11-27 23:40:02,398 INFO L87 Difference]: Start difference. First operand 1936 states and 2411 transitions. Second operand has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-27 23:40:03,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:40:03,264 INFO L93 Difference]: Finished difference Result 1998 states and 2477 transitions. [2024-11-27 23:40:03,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 23:40:03,264 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) Word has length 158 [2024-11-27 23:40:03,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:40:03,268 INFO L225 Difference]: With dead ends: 1998 [2024-11-27 23:40:03,268 INFO L226 Difference]: Without dead ends: 1996 [2024-11-27 23:40:03,269 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=230, Invalid=700, Unknown=0, NotChecked=0, Total=930 [2024-11-27 23:40:03,269 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 228 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:40:03,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 370 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:40:03,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states. [2024-11-27 23:40:03,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1936. [2024-11-27 23:40:03,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1936 states, 1713 states have (on average 1.186223000583771) internal successors, (2032), 1723 states have internal predecessors, (2032), 189 states have call successors, (189), 23 states have call predecessors, (189), 23 states have return successors, (189), 189 states have call predecessors, (189), 189 states have call successors, (189) [2024-11-27 23:40:03,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 1936 states and 2410 transitions. [2024-11-27 23:40:03,427 INFO L78 Accepts]: Start accepts. Automaton has 1936 states and 2410 transitions. Word has length 158 [2024-11-27 23:40:03,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:40:03,427 INFO L471 AbstractCegarLoop]: Abstraction has 1936 states and 2410 transitions. [2024-11-27 23:40:03,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-27 23:40:03,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 2410 transitions. [2024-11-27 23:40:03,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-27 23:40:03,428 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:40:03,429 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-27 23:40:03,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-11-27 23:40:03,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-27 23:40:03,633 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:40:03,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:40:03,633 INFO L85 PathProgramCache]: Analyzing trace with hash 218002803, now seen corresponding path program 1 times [2024-11-27 23:40:03,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:40:03,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869889722] [2024-11-27 23:40:03,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:40:03,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:40:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:40:04,151 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-27 23:40:04,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:40:04,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869889722] [2024-11-27 23:40:04,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869889722] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:40:04,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [15436982] [2024-11-27 23:40:04,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:40:04,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:40:04,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:40:04,154 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:40:04,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-27 23:40:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:40:04,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-27 23:40:04,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:40:04,963 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-27 23:40:04,963 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:40:10,573 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-27 23:40:10,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [15436982] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:40:10,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:40:10,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 8] total 31 [2024-11-27 23:40:10,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354376614] [2024-11-27 23:40:10,574 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:40:10,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-27 23:40:10,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:40:10,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-27 23:40:10,575 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=820, Unknown=0, NotChecked=0, Total=992 [2024-11-27 23:40:10,575 INFO L87 Difference]: Start difference. First operand 1936 states and 2410 transitions. Second operand has 32 states, 31 states have (on average 8.64516129032258) internal successors, (268), 32 states have internal predecessors, (268), 16 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 16 states have call predecessors, (45), 16 states have call successors, (45) [2024-11-27 23:40:13,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:40:13,488 INFO L93 Difference]: Finished difference Result 2219 states and 2774 transitions. [2024-11-27 23:40:13,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-27 23:40:13,489 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 8.64516129032258) internal successors, (268), 32 states have internal predecessors, (268), 16 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 16 states have call predecessors, (45), 16 states have call successors, (45) Word has length 164 [2024-11-27 23:40:13,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:40:13,494 INFO L225 Difference]: With dead ends: 2219 [2024-11-27 23:40:13,494 INFO L226 Difference]: Without dead ends: 2217 [2024-11-27 23:40:13,495 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 308 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 500 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=559, Invalid=1697, Unknown=0, NotChecked=0, Total=2256 [2024-11-27 23:40:13,496 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 880 mSDsluCounter, 1089 mSDsCounter, 0 mSdLazyCounter, 1402 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 885 SdHoareTripleChecker+Valid, 1171 SdHoareTripleChecker+Invalid, 1577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 1402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:40:13,496 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [885 Valid, 1171 Invalid, 1577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 1402 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-27 23:40:13,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2217 states. [2024-11-27 23:40:13,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2217 to 1951. [2024-11-27 23:40:13,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1951 states, 1741 states have (on average 1.1522113727742678) internal successors, (2006), 1750 states have internal predecessors, (2006), 177 states have call successors, (177), 23 states have call predecessors, (177), 23 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) [2024-11-27 23:40:13,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1951 states and 2360 transitions. [2024-11-27 23:40:13,861 INFO L78 Accepts]: Start accepts. Automaton has 1951 states and 2360 transitions. Word has length 164 [2024-11-27 23:40:13,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:40:13,861 INFO L471 AbstractCegarLoop]: Abstraction has 1951 states and 2360 transitions. [2024-11-27 23:40:13,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 8.64516129032258) internal successors, (268), 32 states have internal predecessors, (268), 16 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 16 states have call predecessors, (45), 16 states have call successors, (45) [2024-11-27 23:40:13,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2360 transitions. [2024-11-27 23:40:13,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-27 23:40:13,863 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:40:13,863 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1] [2024-11-27 23:40:13,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-11-27 23:40:14,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-27 23:40:14,068 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:40:14,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:40:14,068 INFO L85 PathProgramCache]: Analyzing trace with hash 472203493, now seen corresponding path program 5 times [2024-11-27 23:40:14,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:40:14,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135748049] [2024-11-27 23:40:14,068 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 23:40:14,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:40:14,103 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-11-27 23:40:14,103 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 23:40:14,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [375215041] [2024-11-27 23:40:14,104 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 23:40:14,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:40:14,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:40:14,108 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:40:14,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-27 23:40:14,221 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-11-27 23:40:14,221 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:40:14,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-27 23:40:14,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:40:15,594 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-27 23:40:15,594 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:40:16,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:40:16,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135748049] [2024-11-27 23:40:16,479 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:40:16,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375215041] [2024-11-27 23:40:16,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375215041] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:40:16,479 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:40:16,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2024-11-27 23:40:16,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925095095] [2024-11-27 23:40:16,479 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:40:16,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-27 23:40:16,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:40:16,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-27 23:40:16,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=456, Unknown=0, NotChecked=0, Total=552 [2024-11-27 23:40:16,480 INFO L87 Difference]: Start difference. First operand 1951 states and 2360 transitions. Second operand has 19 states, 18 states have (on average 5.166666666666667) internal successors, (93), 19 states have internal predecessors, (93), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-27 23:40:17,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:40:17,829 INFO L93 Difference]: Finished difference Result 2035 states and 2465 transitions. [2024-11-27 23:40:17,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 23:40:17,830 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 5.166666666666667) internal successors, (93), 19 states have internal predecessors, (93), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 170 [2024-11-27 23:40:17,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:40:17,835 INFO L225 Difference]: With dead ends: 2035 [2024-11-27 23:40:17,835 INFO L226 Difference]: Without dead ends: 2033 [2024-11-27 23:40:17,836 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=96, Invalid=456, Unknown=0, NotChecked=0, Total=552 [2024-11-27 23:40:17,836 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 60 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 1793 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 921 SdHoareTripleChecker+Invalid, 1797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:40:17,837 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 921 Invalid, 1797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1793 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-27 23:40:17,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2033 states. [2024-11-27 23:40:18,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2033 to 1957. [2024-11-27 23:40:18,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1957 states, 1745 states have (on average 1.151862464183381) internal successors, (2010), 1754 states have internal predecessors, (2010), 179 states have call successors, (179), 23 states have call predecessors, (179), 23 states have return successors, (179), 179 states have call predecessors, (179), 179 states have call successors, (179) [2024-11-27 23:40:18,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 1957 states and 2368 transitions. [2024-11-27 23:40:18,149 INFO L78 Accepts]: Start accepts. Automaton has 1957 states and 2368 transitions. Word has length 170 [2024-11-27 23:40:18,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:40:18,150 INFO L471 AbstractCegarLoop]: Abstraction has 1957 states and 2368 transitions. [2024-11-27 23:40:18,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.166666666666667) internal successors, (93), 19 states have internal predecessors, (93), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-27 23:40:18,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1957 states and 2368 transitions. [2024-11-27 23:40:18,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-27 23:40:18,152 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:40:18,152 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-27 23:40:18,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-11-27 23:40:18,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-27 23:40:18,356 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:40:18,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:40:18,357 INFO L85 PathProgramCache]: Analyzing trace with hash -505194620, now seen corresponding path program 1 times [2024-11-27 23:40:18,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:40:18,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079649859] [2024-11-27 23:40:18,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:40:18,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:40:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:40:18,843 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 6 proven. 110 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-27 23:40:18,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:40:18,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079649859] [2024-11-27 23:40:18,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079649859] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:40:18,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405514902] [2024-11-27 23:40:18,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:40:18,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:40:18,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:40:18,846 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:40:18,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-27 23:40:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:40:18,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-27 23:40:18,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:40:19,960 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 18 proven. 98 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-27 23:40:19,960 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:40:20,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405514902] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:40:20,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:40:20,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 24 [2024-11-27 23:40:20,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801534180] [2024-11-27 23:40:20,467 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:40:20,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-27 23:40:20,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:40:20,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-27 23:40:20,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=656, Unknown=0, NotChecked=0, Total=756 [2024-11-27 23:40:20,468 INFO L87 Difference]: Start difference. First operand 1957 states and 2368 transitions. Second operand has 25 states, 24 states have (on average 8.0) internal successors, (192), 25 states have internal predecessors, (192), 12 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 12 states have call predecessors, (30), 12 states have call successors, (30) [2024-11-27 23:40:22,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:40:22,708 INFO L93 Difference]: Finished difference Result 2566 states and 3150 transitions. [2024-11-27 23:40:22,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 23:40:22,708 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 8.0) internal successors, (192), 25 states have internal predecessors, (192), 12 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 12 states have call predecessors, (30), 12 states have call successors, (30) Word has length 170 [2024-11-27 23:40:22,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:40:22,714 INFO L225 Difference]: With dead ends: 2566 [2024-11-27 23:40:22,714 INFO L226 Difference]: Without dead ends: 2565 [2024-11-27 23:40:22,716 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 642 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=431, Invalid=2221, Unknown=0, NotChecked=0, Total=2652 [2024-11-27 23:40:22,716 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 765 mSDsluCounter, 885 mSDsCounter, 0 mSdLazyCounter, 1272 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 770 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 1379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 1272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:40:22,716 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [770 Valid, 974 Invalid, 1379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 1272 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-27 23:40:22,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2565 states. [2024-11-27 23:40:23,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2565 to 2062. [2024-11-27 23:40:23,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2062 states, 1840 states have (on average 1.1483695652173913) internal successors, (2113), 1849 states have internal predecessors, (2113), 189 states have call successors, (189), 23 states have call predecessors, (189), 23 states have return successors, (189), 189 states have call predecessors, (189), 189 states have call successors, (189) [2024-11-27 23:40:23,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 2062 states and 2491 transitions. [2024-11-27 23:40:23,087 INFO L78 Accepts]: Start accepts. Automaton has 2062 states and 2491 transitions. Word has length 170 [2024-11-27 23:40:23,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:40:23,087 INFO L471 AbstractCegarLoop]: Abstraction has 2062 states and 2491 transitions. [2024-11-27 23:40:23,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 8.0) internal successors, (192), 25 states have internal predecessors, (192), 12 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 12 states have call predecessors, (30), 12 states have call successors, (30) [2024-11-27 23:40:23,088 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2491 transitions. [2024-11-27 23:40:23,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-27 23:40:23,090 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:40:23,090 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:40:23,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2024-11-27 23:40:23,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-27 23:40:23,294 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:40:23,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:40:23,294 INFO L85 PathProgramCache]: Analyzing trace with hash 666958840, now seen corresponding path program 1 times [2024-11-27 23:40:23,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:40:23,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921763342] [2024-11-27 23:40:23,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:40:23,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:40:23,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:40:23,538 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 34 proven. 82 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 23:40:23,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:40:23,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921763342] [2024-11-27 23:40:23,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921763342] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:40:23,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603794957] [2024-11-27 23:40:23,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:40:23,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:40:23,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:40:23,542 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:40:23,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-27 23:40:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:40:23,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 23:40:23,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:40:23,839 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 72 proven. 44 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 23:40:23,839 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:40:24,189 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 72 proven. 44 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 23:40:24,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1603794957] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:40:24,190 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:40:24,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 7 [2024-11-27 23:40:24,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934092410] [2024-11-27 23:40:24,190 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:40:24,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:40:24,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:40:24,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:40:24,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:40:24,191 INFO L87 Difference]: Start difference. First operand 2062 states and 2491 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-27 23:40:24,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:40:24,543 INFO L93 Difference]: Finished difference Result 2090 states and 2512 transitions. [2024-11-27 23:40:24,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:40:24,544 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 181 [2024-11-27 23:40:24,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:40:24,549 INFO L225 Difference]: With dead ends: 2090 [2024-11-27 23:40:24,549 INFO L226 Difference]: Without dead ends: 2084 [2024-11-27 23:40:24,550 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 357 SyntacticMatches, 8 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:40:24,550 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 64 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:40:24,551 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 413 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:40:24,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2084 states. [2024-11-27 23:40:24,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2084 to 2062. [2024-11-27 23:40:24,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2062 states, 1840 states have (on average 1.1445652173913043) internal successors, (2106), 1849 states have internal predecessors, (2106), 189 states have call successors, (189), 23 states have call predecessors, (189), 23 states have return successors, (189), 189 states have call predecessors, (189), 189 states have call successors, (189) [2024-11-27 23:40:24,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 2062 states and 2484 transitions. [2024-11-27 23:40:24,921 INFO L78 Accepts]: Start accepts. Automaton has 2062 states and 2484 transitions. Word has length 181 [2024-11-27 23:40:24,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:40:24,921 INFO L471 AbstractCegarLoop]: Abstraction has 2062 states and 2484 transitions. [2024-11-27 23:40:24,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-27 23:40:24,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2484 transitions. [2024-11-27 23:40:24,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-27 23:40:24,923 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:40:24,923 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:40:24,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2024-11-27 23:40:25,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-27 23:40:25,124 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:40:25,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:40:25,125 INFO L85 PathProgramCache]: Analyzing trace with hash 181328889, now seen corresponding path program 2 times [2024-11-27 23:40:25,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:40:25,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241623093] [2024-11-27 23:40:25,125 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:40:25,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:40:25,143 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:40:25,143 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:40:25,544 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 49 proven. 78 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-27 23:40:25,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:40:25,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241623093] [2024-11-27 23:40:25,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241623093] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:40:25,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49375843] [2024-11-27 23:40:25,545 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:40:25,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:40:25,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:40:25,547 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:40:25,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-27 23:40:25,642 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:40:25,642 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:40:25,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 23:40:25,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:40:26,126 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 162 proven. 85 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-27 23:40:26,126 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:40:28,601 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 57 proven. 70 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-27 23:40:28,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49375843] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:40:28,601 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:40:28,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 10] total 23 [2024-11-27 23:40:28,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698237228] [2024-11-27 23:40:28,601 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:40:28,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-27 23:40:28,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:40:28,602 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-27 23:40:28,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=414, Unknown=0, NotChecked=0, Total=506 [2024-11-27 23:40:28,603 INFO L87 Difference]: Start difference. First operand 2062 states and 2484 transitions. Second operand has 23 states, 23 states have (on average 11.565217391304348) internal successors, (266), 23 states have internal predecessors, (266), 14 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 14 states have call predecessors, (49), 14 states have call successors, (49) [2024-11-27 23:40:29,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:40:29,542 INFO L93 Difference]: Finished difference Result 2319 states and 2794 transitions. [2024-11-27 23:40:29,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 23:40:29,542 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 11.565217391304348) internal successors, (266), 23 states have internal predecessors, (266), 14 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 14 states have call predecessors, (49), 14 states have call successors, (49) Word has length 181 [2024-11-27 23:40:29,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:40:29,545 INFO L225 Difference]: With dead ends: 2319 [2024-11-27 23:40:29,545 INFO L226 Difference]: Without dead ends: 743 [2024-11-27 23:40:29,547 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=263, Invalid=1143, Unknown=0, NotChecked=0, Total=1406 [2024-11-27 23:40:29,548 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 92 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:40:29,548 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 735 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 822 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:40:29,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2024-11-27 23:40:29,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 743. [2024-11-27 23:40:29,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 743 states, 643 states have (on average 1.1415241057542769) internal successors, (734), 652 states have internal predecessors, (734), 71 states have call successors, (71), 19 states have call predecessors, (71), 19 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-27 23:40:29,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 876 transitions. [2024-11-27 23:40:29,718 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 876 transitions. Word has length 181 [2024-11-27 23:40:29,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:40:29,719 INFO L471 AbstractCegarLoop]: Abstraction has 743 states and 876 transitions. [2024-11-27 23:40:29,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 11.565217391304348) internal successors, (266), 23 states have internal predecessors, (266), 14 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 14 states have call predecessors, (49), 14 states have call successors, (49) [2024-11-27 23:40:29,719 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 876 transitions. [2024-11-27 23:40:29,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-27 23:40:29,721 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:40:29,721 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-27 23:40:29,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-11-27 23:40:29,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:40:29,922 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:40:29,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:40:29,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1723224343, now seen corresponding path program 1 times [2024-11-27 23:40:29,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:40:29,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487773060] [2024-11-27 23:40:29,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:40:29,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:40:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:40:30,213 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 38 proven. 84 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 23:40:30,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:40:30,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487773060] [2024-11-27 23:40:30,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487773060] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:40:30,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242952124] [2024-11-27 23:40:30,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:40:30,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:40:30,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:40:30,216 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:40:30,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-27 23:40:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:40:30,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:40:30,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:40:30,467 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2024-11-27 23:40:30,468 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:40:30,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242952124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:40:30,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:40:30,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-11-27 23:40:30,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897027370] [2024-11-27 23:40:30,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:40:30,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:40:30,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:40:30,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:40:30,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:40:30,472 INFO L87 Difference]: Start difference. First operand 743 states and 876 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 23:40:30,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:40:30,635 INFO L93 Difference]: Finished difference Result 743 states and 876 transitions. [2024-11-27 23:40:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:40:30,635 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 184 [2024-11-27 23:40:30,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:40:30,637 INFO L225 Difference]: With dead ends: 743 [2024-11-27 23:40:30,637 INFO L226 Difference]: Without dead ends: 742 [2024-11-27 23:40:30,637 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 184 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:40:30,637 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 41 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:40:30,638 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 103 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:40:30,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2024-11-27 23:40:30,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 728. [2024-11-27 23:40:30,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 728 states, 631 states have (on average 1.1299524564183836) internal successors, (713), 639 states have internal predecessors, (713), 69 states have call successors, (69), 19 states have call predecessors, (69), 19 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-27 23:40:30,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 851 transitions. [2024-11-27 23:40:30,769 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 851 transitions. Word has length 184 [2024-11-27 23:40:30,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:40:30,769 INFO L471 AbstractCegarLoop]: Abstraction has 728 states and 851 transitions. [2024-11-27 23:40:30,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 23:40:30,770 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 851 transitions. [2024-11-27 23:40:30,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-27 23:40:30,771 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:40:30,771 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-27 23:40:30,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2024-11-27 23:40:30,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2024-11-27 23:40:30,972 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:40:30,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:40:30,972 INFO L85 PathProgramCache]: Analyzing trace with hash 786670392, now seen corresponding path program 1 times [2024-11-27 23:40:30,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:40:30,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490901657] [2024-11-27 23:40:30,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:40:30,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:40:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:40:31,529 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 23:40:31,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:40:31,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490901657] [2024-11-27 23:40:31,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490901657] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:40:31,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348600048] [2024-11-27 23:40:31,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:40:31,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:40:31,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:40:31,533 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:40:31,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-11-27 23:40:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:40:31,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-27 23:40:31,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:40:32,261 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 23:40:32,262 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:40:37,674 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 23:40:37,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348600048] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:40:37,674 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:40:37,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 8] total 29 [2024-11-27 23:40:37,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756414418] [2024-11-27 23:40:37,674 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:40:37,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-27 23:40:37,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:40:37,675 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-27 23:40:37,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=593, Unknown=0, NotChecked=0, Total=870 [2024-11-27 23:40:37,676 INFO L87 Difference]: Start difference. First operand 728 states and 851 transitions. Second operand has 30 states, 29 states have (on average 10.172413793103448) internal successors, (295), 30 states have internal predecessors, (295), 18 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 18 states have call predecessors, (54), 18 states have call successors, (54) [2024-11-27 23:40:42,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:40:42,694 INFO L93 Difference]: Finished difference Result 1503 states and 1819 transitions. [2024-11-27 23:40:42,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-27 23:40:42,695 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 10.172413793103448) internal successors, (295), 30 states have internal predecessors, (295), 18 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 18 states have call predecessors, (54), 18 states have call successors, (54) Word has length 188 [2024-11-27 23:40:42,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:40:42,697 INFO L225 Difference]: With dead ends: 1503 [2024-11-27 23:40:42,697 INFO L226 Difference]: Without dead ends: 1502 [2024-11-27 23:40:42,698 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 960 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=1072, Invalid=1898, Unknown=0, NotChecked=0, Total=2970 [2024-11-27 23:40:42,699 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 835 mSDsluCounter, 1085 mSDsCounter, 0 mSdLazyCounter, 1564 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 842 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 1698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 1564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:40:42,699 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [842 Valid, 1192 Invalid, 1698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 1564 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-27 23:40:42,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1502 states. [2024-11-27 23:40:42,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1502 to 1225. [2024-11-27 23:40:42,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1225 states, 1080 states have (on average 1.1472222222222221) internal successors, (1239), 1088 states have internal predecessors, (1239), 117 states have call successors, (117), 19 states have call predecessors, (117), 19 states have return successors, (117), 117 states have call predecessors, (117), 117 states have call successors, (117) [2024-11-27 23:40:42,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 1473 transitions. [2024-11-27 23:40:42,908 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 1473 transitions. Word has length 188 [2024-11-27 23:40:42,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:40:42,909 INFO L471 AbstractCegarLoop]: Abstraction has 1225 states and 1473 transitions. [2024-11-27 23:40:42,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 10.172413793103448) internal successors, (295), 30 states have internal predecessors, (295), 18 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 18 states have call predecessors, (54), 18 states have call successors, (54) [2024-11-27 23:40:42,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1473 transitions. [2024-11-27 23:40:42,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-27 23:40:42,910 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:40:42,910 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2024-11-27 23:40:42,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2024-11-27 23:40:43,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:40:43,111 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:40:43,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:40:43,111 INFO L85 PathProgramCache]: Analyzing trace with hash 858461978, now seen corresponding path program 1 times [2024-11-27 23:40:43,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:40:43,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966865412] [2024-11-27 23:40:43,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:40:43,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:40:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:40:43,492 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-27 23:40:43,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:40:43,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966865412] [2024-11-27 23:40:43,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966865412] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:40:43,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794477404] [2024-11-27 23:40:43,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:40:43,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:40:43,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:40:43,496 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:40:43,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-11-27 23:40:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:40:43,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-27 23:40:43,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:40:43,882 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 0 proven. 766 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-27 23:40:43,882 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:40:44,392 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-27 23:40:44,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1794477404] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:40:44,392 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:40:44,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 18] total 37 [2024-11-27 23:40:44,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739103502] [2024-11-27 23:40:44,392 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:40:44,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-27 23:40:44,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:40:44,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-27 23:40:44,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=303, Invalid=1029, Unknown=0, NotChecked=0, Total=1332 [2024-11-27 23:40:44,394 INFO L87 Difference]: Start difference. First operand 1225 states and 1473 transitions. Second operand has 37 states, 37 states have (on average 5.864864864864865) internal successors, (217), 37 states have internal predecessors, (217), 14 states have call successors, (57), 8 states have call predecessors, (57), 8 states have return successors, (57), 14 states have call predecessors, (57), 14 states have call successors, (57) [2024-11-27 23:40:45,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:40:45,623 INFO L93 Difference]: Finished difference Result 1700 states and 2011 transitions. [2024-11-27 23:40:45,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-27 23:40:45,623 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 5.864864864864865) internal successors, (217), 37 states have internal predecessors, (217), 14 states have call successors, (57), 8 states have call predecessors, (57), 8 states have return successors, (57), 14 states have call predecessors, (57), 14 states have call successors, (57) Word has length 189 [2024-11-27 23:40:45,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:40:45,625 INFO L225 Difference]: With dead ends: 1700 [2024-11-27 23:40:45,625 INFO L226 Difference]: Without dead ends: 1495 [2024-11-27 23:40:45,626 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1386 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1151, Invalid=4105, Unknown=0, NotChecked=0, Total=5256 [2024-11-27 23:40:45,626 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 283 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:40:45,626 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 710 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:40:45,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1495 states. [2024-11-27 23:40:45,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1495 to 1464. [2024-11-27 23:40:45,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1464 states, 1294 states have (on average 1.1267387944358578) internal successors, (1458), 1302 states have internal predecessors, (1458), 133 states have call successors, (133), 28 states have call predecessors, (133), 28 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2024-11-27 23:40:45,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1464 states and 1724 transitions. [2024-11-27 23:40:45,875 INFO L78 Accepts]: Start accepts. Automaton has 1464 states and 1724 transitions. Word has length 189 [2024-11-27 23:40:45,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:40:45,876 INFO L471 AbstractCegarLoop]: Abstraction has 1464 states and 1724 transitions. [2024-11-27 23:40:45,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 5.864864864864865) internal successors, (217), 37 states have internal predecessors, (217), 14 states have call successors, (57), 8 states have call predecessors, (57), 8 states have return successors, (57), 14 states have call predecessors, (57), 14 states have call successors, (57) [2024-11-27 23:40:45,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 1724 transitions. [2024-11-27 23:40:45,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-27 23:40:45,877 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:40:45,877 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-27 23:40:45,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2024-11-27 23:40:46,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:40:46,077 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:40:46,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:40:46,078 INFO L85 PathProgramCache]: Analyzing trace with hash -539123422, now seen corresponding path program 6 times [2024-11-27 23:40:46,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:40:46,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187878452] [2024-11-27 23:40:46,078 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 23:40:46,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:40:46,113 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-27 23:40:46,113 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 23:40:46,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1889250333] [2024-11-27 23:40:46,115 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 23:40:46,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:40:46,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:40:46,117 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:40:46,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-11-27 23:40:46,204 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-27 23:40:46,204 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:40:46,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-27 23:40:46,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:40:47,806 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 106 proven. 38 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2024-11-27 23:40:47,806 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:40:49,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:40:49,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187878452] [2024-11-27 23:40:49,481 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:40:49,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889250333] [2024-11-27 23:40:49,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889250333] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:40:49,481 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:40:49,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2024-11-27 23:40:49,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598611916] [2024-11-27 23:40:49,481 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:40:49,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-27 23:40:49,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:40:49,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-27 23:40:49,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=443, Unknown=0, NotChecked=0, Total=552 [2024-11-27 23:40:49,482 INFO L87 Difference]: Start difference. First operand 1464 states and 1724 transitions. Second operand has 17 states, 16 states have (on average 4.9375) internal successors, (79), 17 states have internal predecessors, (79), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-27 23:40:51,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:40:51,485 INFO L93 Difference]: Finished difference Result 1746 states and 2073 transitions. [2024-11-27 23:40:51,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 23:40:51,485 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.9375) internal successors, (79), 17 states have internal predecessors, (79), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 196 [2024-11-27 23:40:51,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:40:51,488 INFO L225 Difference]: With dead ends: 1746 [2024-11-27 23:40:51,488 INFO L226 Difference]: Without dead ends: 1744 [2024-11-27 23:40:51,489 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=139, Invalid=563, Unknown=0, NotChecked=0, Total=702 [2024-11-27 23:40:51,489 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 75 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 1382 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 1389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:40:51,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 716 Invalid, 1389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1382 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-27 23:40:51,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1744 states. [2024-11-27 23:40:51,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1744 to 1500. [2024-11-27 23:40:51,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1500 states, 1326 states have (on average 1.1244343891402715) internal successors, (1491), 1334 states have internal predecessors, (1491), 137 states have call successors, (137), 28 states have call predecessors, (137), 28 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-27 23:40:51,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1500 states and 1765 transitions. [2024-11-27 23:40:51,756 INFO L78 Accepts]: Start accepts. Automaton has 1500 states and 1765 transitions. Word has length 196 [2024-11-27 23:40:51,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:40:51,756 INFO L471 AbstractCegarLoop]: Abstraction has 1500 states and 1765 transitions. [2024-11-27 23:40:51,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.9375) internal successors, (79), 17 states have internal predecessors, (79), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-27 23:40:51,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 1765 transitions. [2024-11-27 23:40:51,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-27 23:40:51,757 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:40:51,757 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-27 23:40:51,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2024-11-27 23:40:51,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2024-11-27 23:40:51,958 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:40:51,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:40:51,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1516521535, now seen corresponding path program 2 times [2024-11-27 23:40:51,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:40:51,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855397441] [2024-11-27 23:40:51,958 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:40:51,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:40:51,973 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:40:51,973 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:40:52,529 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 6 proven. 148 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 23:40:52,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:40:52,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855397441] [2024-11-27 23:40:52,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855397441] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:40:52,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392032053] [2024-11-27 23:40:52,529 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:40:52,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:40:52,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:40:52,532 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:40:52,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-11-27 23:40:52,630 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:40:52,630 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:40:52,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-27 23:40:52,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:40:53,823 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 23:40:53,824 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:40:54,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1392032053] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:40:54,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:40:54,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2024-11-27 23:40:54,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497953541] [2024-11-27 23:40:54,314 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:40:54,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-27 23:40:54,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:40:54,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-27 23:40:54,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=792, Unknown=0, NotChecked=0, Total=930 [2024-11-27 23:40:54,316 INFO L87 Difference]: Start difference. First operand 1500 states and 1765 transitions. Second operand has 28 states, 27 states have (on average 7.925925925925926) internal successors, (214), 28 states have internal predecessors, (214), 14 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 14 states have call predecessors, (36), 14 states have call successors, (36) [2024-11-27 23:40:56,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:40:56,882 INFO L93 Difference]: Finished difference Result 1855 states and 2209 transitions. [2024-11-27 23:40:56,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-27 23:40:56,883 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 7.925925925925926) internal successors, (214), 28 states have internal predecessors, (214), 14 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 14 states have call predecessors, (36), 14 states have call successors, (36) Word has length 196 [2024-11-27 23:40:56,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:40:56,885 INFO L225 Difference]: With dead ends: 1855 [2024-11-27 23:40:56,885 INFO L226 Difference]: Without dead ends: 1844 [2024-11-27 23:40:56,886 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 198 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1059 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=734, Invalid=3172, Unknown=0, NotChecked=0, Total=3906 [2024-11-27 23:40:56,886 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 959 mSDsluCounter, 1108 mSDsCounter, 0 mSdLazyCounter, 1402 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 964 SdHoareTripleChecker+Valid, 1213 SdHoareTripleChecker+Invalid, 1553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 1402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:40:56,886 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [964 Valid, 1213 Invalid, 1553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 1402 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-27 23:40:56,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1844 states. [2024-11-27 23:40:57,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1844 to 1590. [2024-11-27 23:40:57,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1590 states, 1410 states have (on average 1.1205673758865249) internal successors, (1580), 1418 states have internal predecessors, (1580), 143 states have call successors, (143), 28 states have call predecessors, (143), 28 states have return successors, (143), 143 states have call predecessors, (143), 143 states have call successors, (143) [2024-11-27 23:40:57,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1590 states to 1590 states and 1866 transitions. [2024-11-27 23:40:57,295 INFO L78 Accepts]: Start accepts. Automaton has 1590 states and 1866 transitions. Word has length 196 [2024-11-27 23:40:57,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:40:57,295 INFO L471 AbstractCegarLoop]: Abstraction has 1590 states and 1866 transitions. [2024-11-27 23:40:57,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 7.925925925925926) internal successors, (214), 28 states have internal predecessors, (214), 14 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 14 states have call predecessors, (36), 14 states have call successors, (36) [2024-11-27 23:40:57,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1590 states and 1866 transitions. [2024-11-27 23:40:57,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-27 23:40:57,297 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:40:57,297 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2024-11-27 23:40:57,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2024-11-27 23:40:57,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2024-11-27 23:40:57,498 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:40:57,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:40:57,498 INFO L85 PathProgramCache]: Analyzing trace with hash 519888559, now seen corresponding path program 2 times [2024-11-27 23:40:57,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:40:57,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321960145] [2024-11-27 23:40:57,499 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:40:57,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:40:57,517 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:40:57,517 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:40:57,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 40 proven. 66 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-27 23:40:57,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:40:57,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321960145] [2024-11-27 23:40:57,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321960145] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:40:57,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451542691] [2024-11-27 23:40:57,995 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:40:57,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:40:57,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:40:57,997 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:40:58,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2024-11-27 23:40:58,093 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:40:58,094 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:40:58,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-27 23:40:58,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:40:59,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-27 23:40:59,488 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:41:11,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-27 23:41:11,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451542691] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:41:11,655 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:41:11,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 20, 16] total 45 [2024-11-27 23:41:11,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769274620] [2024-11-27 23:41:11,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:41:11,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-27 23:41:11,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:41:11,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-27 23:41:11,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=562, Invalid=1508, Unknown=0, NotChecked=0, Total=2070 [2024-11-27 23:41:11,658 INFO L87 Difference]: Start difference. First operand 1590 states and 1866 transitions. Second operand has 46 states, 45 states have (on average 6.844444444444444) internal successors, (308), 46 states have internal predecessors, (308), 20 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 20 states have call predecessors, (54), 20 states have call successors, (54) [2024-11-27 23:42:12,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:42:12,180 INFO L93 Difference]: Finished difference Result 3201 states and 3910 transitions. [2024-11-27 23:42:12,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-11-27 23:42:12,180 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 6.844444444444444) internal successors, (308), 46 states have internal predecessors, (308), 20 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 20 states have call predecessors, (54), 20 states have call successors, (54) Word has length 218 [2024-11-27 23:42:12,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:42:12,183 INFO L225 Difference]: With dead ends: 3201 [2024-11-27 23:42:12,183 INFO L226 Difference]: Without dead ends: 3200 [2024-11-27 23:42:12,186 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 570 GetRequests, 397 SyntacticMatches, 4 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13586 ImplicationChecksByTransitivity, 53.8s TimeCoverageRelationStatistics Valid=7615, Invalid=21455, Unknown=0, NotChecked=0, Total=29070 [2024-11-27 23:42:12,187 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 2936 mSDsluCounter, 1505 mSDsCounter, 0 mSdLazyCounter, 3351 mSolverCounterSat, 645 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2940 SdHoareTripleChecker+Valid, 1608 SdHoareTripleChecker+Invalid, 3996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 645 IncrementalHoareTripleChecker+Valid, 3351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:42:12,187 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2940 Valid, 1608 Invalid, 3996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [645 Valid, 3351 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2024-11-27 23:42:12,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3200 states. [2024-11-27 23:42:12,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3200 to 1928. [2024-11-27 23:42:12,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1928 states, 1718 states have (on average 1.1257275902211874) internal successors, (1934), 1726 states have internal predecessors, (1934), 173 states have call successors, (173), 28 states have call predecessors, (173), 28 states have return successors, (173), 173 states have call predecessors, (173), 173 states have call successors, (173) [2024-11-27 23:42:12,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1928 states to 1928 states and 2280 transitions. [2024-11-27 23:42:12,789 INFO L78 Accepts]: Start accepts. Automaton has 1928 states and 2280 transitions. Word has length 218 [2024-11-27 23:42:12,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:42:12,790 INFO L471 AbstractCegarLoop]: Abstraction has 1928 states and 2280 transitions. [2024-11-27 23:42:12,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 6.844444444444444) internal successors, (308), 46 states have internal predecessors, (308), 20 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 20 states have call predecessors, (54), 20 states have call successors, (54) [2024-11-27 23:42:12,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1928 states and 2280 transitions. [2024-11-27 23:42:12,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-27 23:42:12,791 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:42:12,791 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-27 23:42:12,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2024-11-27 23:42:12,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2024-11-27 23:42:12,992 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:42:12,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:42:12,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1041427010, now seen corresponding path program 3 times [2024-11-27 23:42:12,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:42:12,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472466529] [2024-11-27 23:42:12,993 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:42:12,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:42:13,031 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-27 23:42:13,031 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 23:42:13,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1971583319] [2024-11-27 23:42:13,032 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:42:13,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:42:13,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:42:13,041 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:42:13,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-11-27 23:42:13,122 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-27 23:42:13,123 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:42:13,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-27 23:42:13,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:42:14,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 116 proven. 8 refuted. 0 times theorem prover too weak. 922 trivial. 0 not checked. [2024-11-27 23:42:14,106 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:42:16,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:42:16,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472466529] [2024-11-27 23:42:16,652 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:42:16,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971583319] [2024-11-27 23:42:16,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971583319] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:42:16,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:42:16,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-27 23:42:16,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630854920] [2024-11-27 23:42:16,653 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:42:16,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 23:42:16,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:42:16,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 23:42:16,654 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=357, Unknown=0, NotChecked=0, Total=462 [2024-11-27 23:42:16,654 INFO L87 Difference]: Start difference. First operand 1928 states and 2280 transitions. Second operand has 14 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 23:42:18,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:42:18,300 INFO L93 Difference]: Finished difference Result 2492 states and 3003 transitions. [2024-11-27 23:42:18,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 23:42:18,301 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 222 [2024-11-27 23:42:18,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:42:18,304 INFO L225 Difference]: With dead ends: 2492 [2024-11-27 23:42:18,304 INFO L226 Difference]: Without dead ends: 2490 [2024-11-27 23:42:18,304 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=257, Invalid=735, Unknown=0, NotChecked=0, Total=992 [2024-11-27 23:42:18,304 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 144 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:42:18,305 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 324 Invalid, 670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 23:42:18,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2490 states. [2024-11-27 23:42:18,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2490 to 1616. [2024-11-27 23:42:18,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1616 states, 1437 states have (on average 1.1210855949895615) internal successors, (1611), 1445 states have internal predecessors, (1611), 143 states have call successors, (143), 27 states have call predecessors, (143), 27 states have return successors, (143), 143 states have call predecessors, (143), 143 states have call successors, (143) [2024-11-27 23:42:18,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1616 states and 1897 transitions. [2024-11-27 23:42:18,687 INFO L78 Accepts]: Start accepts. Automaton has 1616 states and 1897 transitions. Word has length 222 [2024-11-27 23:42:18,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:42:18,687 INFO L471 AbstractCegarLoop]: Abstraction has 1616 states and 1897 transitions. [2024-11-27 23:42:18,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 23:42:18,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 1897 transitions. [2024-11-27 23:42:18,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-27 23:42:18,688 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:42:18,689 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2024-11-27 23:42:18,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Ended with exit code 0 [2024-11-27 23:42:18,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2024-11-27 23:42:18,889 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:42:18,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:42:18,889 INFO L85 PathProgramCache]: Analyzing trace with hash 504990776, now seen corresponding path program 7 times [2024-11-27 23:42:18,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:42:18,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348480398] [2024-11-27 23:42:18,890 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 23:42:18,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:42:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:42:18,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [734820980] [2024-11-27 23:42:18,922 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 23:42:18,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:42:18,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:42:18,924 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:42:18,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2024-11-27 23:42:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:42:19,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-27 23:42:19,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:42:20,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1054 backedges. 0 proven. 214 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-27 23:42:20,873 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:42:25,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:42:25,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348480398] [2024-11-27 23:42:25,878 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:42:25,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734820980] [2024-11-27 23:42:25,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [734820980] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:42:25,879 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:42:25,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2024-11-27 23:42:25,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157229092] [2024-11-27 23:42:25,879 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:42:25,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-27 23:42:25,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:42:25,880 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-27 23:42:25,880 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=687, Unknown=1, NotChecked=0, Total=812 [2024-11-27 23:42:25,880 INFO L87 Difference]: Start difference. First operand 1616 states and 1897 transitions. Second operand has 24 states, 23 states have (on average 5.391304347826087) internal successors, (124), 24 states have internal predecessors, (124), 8 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 8 states have call predecessors, (21), 8 states have call successors, (21) [2024-11-27 23:42:28,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:42:28,657 INFO L93 Difference]: Finished difference Result 1698 states and 1996 transitions. [2024-11-27 23:42:28,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 23:42:28,660 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.391304347826087) internal successors, (124), 24 states have internal predecessors, (124), 8 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 8 states have call predecessors, (21), 8 states have call successors, (21) Word has length 226 [2024-11-27 23:42:28,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:42:28,663 INFO L225 Difference]: With dead ends: 1698 [2024-11-27 23:42:28,663 INFO L226 Difference]: Without dead ends: 1697 [2024-11-27 23:42:28,664 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=146, Invalid=783, Unknown=1, NotChecked=0, Total=930 [2024-11-27 23:42:28,665 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 71 mSDsluCounter, 1478 mSDsCounter, 0 mSdLazyCounter, 3104 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 1604 SdHoareTripleChecker+Invalid, 3111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:42:28,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 1604 Invalid, 3111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3104 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-27 23:42:28,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2024-11-27 23:42:29,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1586. [2024-11-27 23:42:29,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1586 states, 1409 states have (on average 1.1220723917672109) internal successors, (1581), 1417 states have internal predecessors, (1581), 141 states have call successors, (141), 27 states have call predecessors, (141), 27 states have return successors, (141), 141 states have call predecessors, (141), 141 states have call successors, (141) [2024-11-27 23:42:29,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 1863 transitions. [2024-11-27 23:42:29,240 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 1863 transitions. Word has length 226 [2024-11-27 23:42:29,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:42:29,240 INFO L471 AbstractCegarLoop]: Abstraction has 1586 states and 1863 transitions. [2024-11-27 23:42:29,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.391304347826087) internal successors, (124), 24 states have internal predecessors, (124), 8 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 8 states have call predecessors, (21), 8 states have call successors, (21) [2024-11-27 23:42:29,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 1863 transitions. [2024-11-27 23:42:29,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2024-11-27 23:42:29,242 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:42:29,242 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 1, 1, 1] [2024-11-27 23:42:29,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Ended with exit code 0 [2024-11-27 23:42:29,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58,51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:42:29,443 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:42:29,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:42:29,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1364431385, now seen corresponding path program 2 times [2024-11-27 23:42:29,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:42:29,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743770906] [2024-11-27 23:42:29,444 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:42:29,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:42:29,457 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:42:29,458 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:42:29,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1908 backedges. 0 proven. 504 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-27 23:42:29,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:42:29,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743770906] [2024-11-27 23:42:29,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743770906] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:42:29,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846011535] [2024-11-27 23:42:29,681 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:42:29,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:42:29,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:42:29,684 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:42:29,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2024-11-27 23:42:29,788 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:42:29,788 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:42:29,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 23:42:29,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:42:30,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1908 backedges. 0 proven. 504 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-27 23:42:30,037 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:42:30,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1908 backedges. 0 proven. 504 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-27 23:42:30,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [846011535] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:42:30,477 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:42:30,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2024-11-27 23:42:30,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907573447] [2024-11-27 23:42:30,477 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:42:30,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-27 23:42:30,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:42:30,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-27 23:42:30,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-27 23:42:30,479 INFO L87 Difference]: Start difference. First operand 1586 states and 1863 transitions. Second operand has 21 states, 20 states have (on average 10.8) internal successors, (216), 21 states have internal predecessors, (216), 19 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 19 states have call predecessors, (57), 19 states have call successors, (57) [2024-11-27 23:42:32,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:42:32,307 INFO L93 Difference]: Finished difference Result 4787 states and 5739 transitions. [2024-11-27 23:42:32,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 23:42:32,307 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 10.8) internal successors, (216), 21 states have internal predecessors, (216), 19 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 19 states have call predecessors, (57), 19 states have call successors, (57) Word has length 236 [2024-11-27 23:42:32,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:42:32,314 INFO L225 Difference]: With dead ends: 4787 [2024-11-27 23:42:32,314 INFO L226 Difference]: Without dead ends: 4786 [2024-11-27 23:42:32,315 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 461 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-27 23:42:32,315 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 1110 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1146 SdHoareTripleChecker+Valid, 796 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:42:32,315 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1146 Valid, 796 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 23:42:32,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4786 states. [2024-11-27 23:42:32,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4786 to 1700. [2024-11-27 23:42:32,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1700 states, 1499 states have (on average 1.1300867244829886) internal successors, (1694), 1507 states have internal predecessors, (1694), 165 states have call successors, (165), 27 states have call predecessors, (165), 27 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-27 23:42:32,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 2024 transitions. [2024-11-27 23:42:32,793 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 2024 transitions. Word has length 236 [2024-11-27 23:42:32,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:42:32,794 INFO L471 AbstractCegarLoop]: Abstraction has 1700 states and 2024 transitions. [2024-11-27 23:42:32,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 10.8) internal successors, (216), 21 states have internal predecessors, (216), 19 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 19 states have call predecessors, (57), 19 states have call successors, (57) [2024-11-27 23:42:32,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2024 transitions. [2024-11-27 23:42:32,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-11-27 23:42:32,796 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:42:32,796 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:42:32,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Forceful destruction successful, exit code 0 [2024-11-27 23:42:33,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59,52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:42:33,001 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:42:33,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:42:33,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1843276417, now seen corresponding path program 3 times [2024-11-27 23:42:33,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:42:33,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050202167] [2024-11-27 23:42:33,001 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:42:33,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:42:33,030 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-27 23:42:33,030 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:42:33,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1229 backedges. 72 proven. 145 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:42:33,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:42:33,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050202167] [2024-11-27 23:42:33,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050202167] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:42:33,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206267583] [2024-11-27 23:42:33,425 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:42:33,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:42:33,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:42:33,427 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:42:33,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2024-11-27 23:42:33,487 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-27 23:42:33,487 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:42:33,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-27 23:42:33,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:42:34,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1229 backedges. 117 proven. 50 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2024-11-27 23:42:34,009 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:42:34,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1229 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 1142 trivial. 0 not checked. [2024-11-27 23:42:34,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1206267583] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:42:34,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:42:34,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 8] total 20 [2024-11-27 23:42:34,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281497181] [2024-11-27 23:42:34,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:42:34,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:42:34,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:42:34,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:42:34,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2024-11-27 23:42:34,445 INFO L87 Difference]: Start difference. First operand 1700 states and 2024 transitions. Second operand has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 23:42:35,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:42:35,444 INFO L93 Difference]: Finished difference Result 1713 states and 2038 transitions. [2024-11-27 23:42:35,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 23:42:35,445 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 233 [2024-11-27 23:42:35,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:42:35,447 INFO L225 Difference]: With dead ends: 1713 [2024-11-27 23:42:35,447 INFO L226 Difference]: Without dead ends: 1712 [2024-11-27 23:42:35,447 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 459 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2024-11-27 23:42:35,448 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 105 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:42:35,448 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 129 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:42:35,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states. [2024-11-27 23:42:35,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 1701. [2024-11-27 23:42:35,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1701 states, 1500 states have (on average 1.13) internal successors, (1695), 1508 states have internal predecessors, (1695), 165 states have call successors, (165), 27 states have call predecessors, (165), 27 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-27 23:42:35,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1701 states and 2025 transitions. [2024-11-27 23:42:35,874 INFO L78 Accepts]: Start accepts. Automaton has 1701 states and 2025 transitions. Word has length 233 [2024-11-27 23:42:35,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:42:35,875 INFO L471 AbstractCegarLoop]: Abstraction has 1701 states and 2025 transitions. [2024-11-27 23:42:35,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 23:42:35,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1701 states and 2025 transitions. [2024-11-27 23:42:35,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2024-11-27 23:42:35,877 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:42:35,877 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:42:35,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Ended with exit code 0 [2024-11-27 23:42:36,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:42:36,077 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:42:36,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:42:36,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1862106559, now seen corresponding path program 1 times [2024-11-27 23:42:36,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:42:36,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608784339] [2024-11-27 23:42:36,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:42:36,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:42:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:42:36,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1229 backedges. 72 proven. 145 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:42:36,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:42:36,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608784339] [2024-11-27 23:42:36,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608784339] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:42:36,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963034943] [2024-11-27 23:42:36,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:42:36,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:42:36,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:42:36,485 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:42:36,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2024-11-27 23:42:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:42:36,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-27 23:42:36,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:42:37,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1229 backedges. 0 proven. 217 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:42:37,467 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:42:37,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963034943] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:42:37,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:42:37,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 19] total 24 [2024-11-27 23:42:37,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082873349] [2024-11-27 23:42:37,592 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:42:37,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-27 23:42:37,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:42:37,593 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-27 23:42:37,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=580, Unknown=0, NotChecked=0, Total=702 [2024-11-27 23:42:37,593 INFO L87 Difference]: Start difference. First operand 1701 states and 2025 transitions. Second operand has 24 states, 24 states have (on average 9.916666666666666) internal successors, (238), 24 states have internal predecessors, (238), 13 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 13 states have call predecessors, (46), 13 states have call successors, (46) [2024-11-27 23:42:39,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:42:39,254 INFO L93 Difference]: Finished difference Result 1769 states and 2090 transitions. [2024-11-27 23:42:39,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 23:42:39,254 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 9.916666666666666) internal successors, (238), 24 states have internal predecessors, (238), 13 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 13 states have call predecessors, (46), 13 states have call successors, (46) Word has length 235 [2024-11-27 23:42:39,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:42:39,257 INFO L225 Difference]: With dead ends: 1769 [2024-11-27 23:42:39,257 INFO L226 Difference]: Without dead ends: 1764 [2024-11-27 23:42:39,258 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 225 SyntacticMatches, 3 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=122, Invalid=580, Unknown=0, NotChecked=0, Total=702 [2024-11-27 23:42:39,258 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 109 mSDsluCounter, 1008 mSDsCounter, 0 mSdLazyCounter, 1680 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 1150 SdHoareTripleChecker+Invalid, 1683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:42:39,258 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 1150 Invalid, 1683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1680 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-27 23:42:39,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1764 states. [2024-11-27 23:42:39,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1764 to 1701. [2024-11-27 23:42:39,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1701 states, 1500 states have (on average 1.1246666666666667) internal successors, (1687), 1508 states have internal predecessors, (1687), 165 states have call successors, (165), 27 states have call predecessors, (165), 27 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-27 23:42:39,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1701 states and 2017 transitions. [2024-11-27 23:42:39,650 INFO L78 Accepts]: Start accepts. Automaton has 1701 states and 2017 transitions. Word has length 235 [2024-11-27 23:42:39,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:42:39,651 INFO L471 AbstractCegarLoop]: Abstraction has 1701 states and 2017 transitions. [2024-11-27 23:42:39,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.916666666666666) internal successors, (238), 24 states have internal predecessors, (238), 13 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 13 states have call predecessors, (46), 13 states have call successors, (46) [2024-11-27 23:42:39,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1701 states and 2017 transitions. [2024-11-27 23:42:39,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2024-11-27 23:42:39,653 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:42:39,653 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:42:39,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Ended with exit code 0 [2024-11-27 23:42:39,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:42:39,854 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:42:39,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:42:39,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1613740350, now seen corresponding path program 2 times [2024-11-27 23:42:39,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:42:39,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671718612] [2024-11-27 23:42:39,854 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:42:39,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:42:39,875 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:42:39,875 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:42:40,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 0 proven. 219 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2024-11-27 23:42:40,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:42:40,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671718612] [2024-11-27 23:42:40,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671718612] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:42:40,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268437547] [2024-11-27 23:42:40,330 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:42:40,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:42:40,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:42:40,332 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:42:40,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2024-11-27 23:42:40,441 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:42:40,441 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:42:40,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-27 23:42:40,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:42:41,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 3 proven. 216 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2024-11-27 23:42:41,183 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:42:42,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 111 proven. 108 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2024-11-27 23:42:42,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268437547] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:42:42,028 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:42:42,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 12] total 26 [2024-11-27 23:42:42,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420333180] [2024-11-27 23:42:42,028 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:42:42,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-27 23:42:42,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:42:42,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-27 23:42:42,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=559, Unknown=0, NotChecked=0, Total=702 [2024-11-27 23:42:42,030 INFO L87 Difference]: Start difference. First operand 1701 states and 2017 transitions. Second operand has 27 states, 26 states have (on average 10.26923076923077) internal successors, (267), 27 states have internal predecessors, (267), 15 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 15 states have call predecessors, (44), 15 states have call successors, (44) [2024-11-27 23:42:43,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:42:43,888 INFO L93 Difference]: Finished difference Result 1924 states and 2285 transitions. [2024-11-27 23:42:43,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-27 23:42:43,889 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 10.26923076923077) internal successors, (267), 27 states have internal predecessors, (267), 15 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 15 states have call predecessors, (44), 15 states have call successors, (44) Word has length 235 [2024-11-27 23:42:43,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:42:43,891 INFO L225 Difference]: With dead ends: 1924 [2024-11-27 23:42:43,891 INFO L226 Difference]: Without dead ends: 1915 [2024-11-27 23:42:43,892 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 454 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 481 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=444, Invalid=1718, Unknown=0, NotChecked=0, Total=2162 [2024-11-27 23:42:43,892 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 372 mSDsluCounter, 1272 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 1418 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:42:43,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 1418 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 973 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 23:42:43,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1915 states. [2024-11-27 23:42:44,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1915 to 1876. [2024-11-27 23:42:44,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1876 states, 1659 states have (on average 1.1247739602169982) internal successors, (1866), 1667 states have internal predecessors, (1866), 181 states have call successors, (181), 27 states have call predecessors, (181), 27 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2024-11-27 23:42:44,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2228 transitions. [2024-11-27 23:42:44,376 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2228 transitions. Word has length 235 [2024-11-27 23:42:44,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:42:44,376 INFO L471 AbstractCegarLoop]: Abstraction has 1876 states and 2228 transitions. [2024-11-27 23:42:44,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 10.26923076923077) internal successors, (267), 27 states have internal predecessors, (267), 15 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 15 states have call predecessors, (44), 15 states have call successors, (44) [2024-11-27 23:42:44,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2228 transitions. [2024-11-27 23:42:44,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-11-27 23:42:44,379 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:42:44,379 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:42:44,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Forceful destruction successful, exit code 0 [2024-11-27 23:42:44,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:42:44,584 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:42:44,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:42:44,585 INFO L85 PathProgramCache]: Analyzing trace with hash 653498248, now seen corresponding path program 3 times [2024-11-27 23:42:44,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:42:44,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432747686] [2024-11-27 23:42:44,585 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:42:44,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:42:44,636 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-27 23:42:44,637 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:42:45,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1160 backedges. 26 proven. 210 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-27 23:42:45,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:42:45,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432747686] [2024-11-27 23:42:45,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432747686] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:42:45,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677143283] [2024-11-27 23:42:45,254 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:42:45,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:42:45,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:42:45,256 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:42:45,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2024-11-27 23:42:45,330 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-27 23:42:45,330 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:42:45,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-27 23:42:45,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:42:45,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1160 backedges. 103 proven. 52 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2024-11-27 23:42:45,937 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:42:46,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1160 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 1077 trivial. 0 not checked. [2024-11-27 23:42:46,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677143283] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:42:46,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:42:46,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [16, 8] total 26 [2024-11-27 23:42:46,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473666427] [2024-11-27 23:42:46,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:42:46,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:42:46,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:42:46,195 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:42:46,195 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=604, Unknown=0, NotChecked=0, Total=702 [2024-11-27 23:42:46,195 INFO L87 Difference]: Start difference. First operand 1876 states and 2228 transitions. Second operand has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 23:42:47,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:42:47,021 INFO L93 Difference]: Finished difference Result 1879 states and 2230 transitions. [2024-11-27 23:42:47,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:42:47,022 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 239 [2024-11-27 23:42:47,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:42:47,024 INFO L225 Difference]: With dead ends: 1879 [2024-11-27 23:42:47,024 INFO L226 Difference]: Without dead ends: 1874 [2024-11-27 23:42:47,025 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 468 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=108, Invalid=704, Unknown=0, NotChecked=0, Total=812 [2024-11-27 23:42:47,025 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 67 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:42:47,026 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 126 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:42:47,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1874 states. [2024-11-27 23:42:47,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1874 to 1874. [2024-11-27 23:42:47,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1874 states, 1657 states have (on average 1.1110440555220278) internal successors, (1841), 1665 states have internal predecessors, (1841), 181 states have call successors, (181), 27 states have call predecessors, (181), 27 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2024-11-27 23:42:47,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1874 states to 1874 states and 2203 transitions. [2024-11-27 23:42:47,611 INFO L78 Accepts]: Start accepts. Automaton has 1874 states and 2203 transitions. Word has length 239 [2024-11-27 23:42:47,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:42:47,611 INFO L471 AbstractCegarLoop]: Abstraction has 1874 states and 2203 transitions. [2024-11-27 23:42:47,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 23:42:47,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1874 states and 2203 transitions. [2024-11-27 23:42:47,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-11-27 23:42:47,614 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:42:47,614 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:42:47,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Ended with exit code 0 [2024-11-27 23:42:47,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:42:47,815 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:42:47,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:42:47,816 INFO L85 PathProgramCache]: Analyzing trace with hash -44451615, now seen corresponding path program 2 times [2024-11-27 23:42:47,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:42:47,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878370414] [2024-11-27 23:42:47,816 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:42:47,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:42:47,841 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:42:47,841 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:42:48,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1360 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-27 23:42:48,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:42:48,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878370414] [2024-11-27 23:42:48,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878370414] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:42:48,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402720164] [2024-11-27 23:42:48,891 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:42:48,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:42:48,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:42:48,893 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:42:48,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2024-11-27 23:42:49,015 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:42:49,015 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:42:49,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-27 23:42:49,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:42:49,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1360 backedges. 0 proven. 1276 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-27 23:42:49,552 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:42:50,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1360 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-27 23:42:50,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [402720164] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:42:50,401 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:42:50,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 21, 22] total 47 [2024-11-27 23:42:50,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160869751] [2024-11-27 23:42:50,401 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:42:50,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-11-27 23:42:50,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:42:50,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-11-27 23:42:50,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=479, Invalid=1683, Unknown=0, NotChecked=0, Total=2162 [2024-11-27 23:42:50,403 INFO L87 Difference]: Start difference. First operand 1874 states and 2203 transitions. Second operand has 47 states, 47 states have (on average 5.9787234042553195) internal successors, (281), 47 states have internal predecessors, (281), 18 states have call successors, (72), 10 states have call predecessors, (72), 10 states have return successors, (72), 18 states have call predecessors, (72), 18 states have call successors, (72) [2024-11-27 23:42:53,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:42:53,130 INFO L93 Difference]: Finished difference Result 3247 states and 3838 transitions. [2024-11-27 23:42:53,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-11-27 23:42:53,131 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 47 states have (on average 5.9787234042553195) internal successors, (281), 47 states have internal predecessors, (281), 18 states have call successors, (72), 10 states have call predecessors, (72), 10 states have return successors, (72), 18 states have call predecessors, (72), 18 states have call successors, (72) Word has length 241 [2024-11-27 23:42:53,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:42:53,135 INFO L225 Difference]: With dead ends: 3247 [2024-11-27 23:42:53,135 INFO L226 Difference]: Without dead ends: 2942 [2024-11-27 23:42:53,137 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 460 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2402 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1801, Invalid=6571, Unknown=0, NotChecked=0, Total=8372 [2024-11-27 23:42:53,137 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 387 mSDsluCounter, 886 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 941 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:42:53,137 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 941 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:42:53,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2024-11-27 23:42:54,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2900. [2024-11-27 23:42:54,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2900 states, 2587 states have (on average 1.0923850019327406) internal successors, (2826), 2596 states have internal predecessors, (2826), 265 states have call successors, (265), 39 states have call predecessors, (265), 39 states have return successors, (265), 264 states have call predecessors, (265), 265 states have call successors, (265) [2024-11-27 23:42:54,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2900 states to 2900 states and 3356 transitions. [2024-11-27 23:42:54,288 INFO L78 Accepts]: Start accepts. Automaton has 2900 states and 3356 transitions. Word has length 241 [2024-11-27 23:42:54,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:42:54,289 INFO L471 AbstractCegarLoop]: Abstraction has 2900 states and 3356 transitions. [2024-11-27 23:42:54,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 5.9787234042553195) internal successors, (281), 47 states have internal predecessors, (281), 18 states have call successors, (72), 10 states have call predecessors, (72), 10 states have return successors, (72), 18 states have call predecessors, (72), 18 states have call successors, (72) [2024-11-27 23:42:54,289 INFO L276 IsEmpty]: Start isEmpty. Operand 2900 states and 3356 transitions. [2024-11-27 23:42:54,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-27 23:42:54,292 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:42:54,293 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2024-11-27 23:42:54,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Ended with exit code 0 [2024-11-27 23:42:54,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2024-11-27 23:42:54,497 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:42:54,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:42:54,498 INFO L85 PathProgramCache]: Analyzing trace with hash -780660363, now seen corresponding path program 8 times [2024-11-27 23:42:54,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:42:54,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669305496] [2024-11-27 23:42:54,498 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:42:54,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:42:54,541 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:42:54,541 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 23:42:54,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1525973563] [2024-11-27 23:42:54,543 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:42:54,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:42:54,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:42:54,546 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:42:54,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2024-11-27 23:42:54,678 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:42:54,679 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:42:54,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-27 23:42:54,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:42:57,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1384 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-27 23:42:57,215 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:43:02,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:43:02,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669305496] [2024-11-27 23:43:02,329 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:43:02,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525973563] [2024-11-27 23:43:02,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525973563] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:43:02,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:43:02,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2024-11-27 23:43:02,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231998497] [2024-11-27 23:43:02,329 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:43:02,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-27 23:43:02,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:43:02,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-27 23:43:02,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=801, Unknown=1, NotChecked=0, Total=930 [2024-11-27 23:43:02,330 INFO L87 Difference]: Start difference. First operand 2900 states and 3356 transitions. Second operand has 26 states, 25 states have (on average 5.4) internal successors, (135), 26 states have internal predecessors, (135), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-27 23:43:06,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:43:06,226 INFO L93 Difference]: Finished difference Result 3130 states and 3622 transitions. [2024-11-27 23:43:06,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-27 23:43:06,227 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 5.4) internal successors, (135), 26 states have internal predecessors, (135), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 252 [2024-11-27 23:43:06,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:43:06,231 INFO L225 Difference]: With dead ends: 3130 [2024-11-27 23:43:06,231 INFO L226 Difference]: Without dead ends: 3129 [2024-11-27 23:43:06,232 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=162, Invalid=959, Unknown=1, NotChecked=0, Total=1122 [2024-11-27 23:43:06,232 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 95 mSDsluCounter, 1626 mSDsCounter, 0 mSdLazyCounter, 3367 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 1749 SdHoareTripleChecker+Invalid, 3379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 3367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-27 23:43:06,232 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 1749 Invalid, 3379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 3367 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-27 23:43:06,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3129 states. [2024-11-27 23:43:07,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3129 to 2900. [2024-11-27 23:43:07,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2900 states, 2587 states have (on average 1.091998453807499) internal successors, (2825), 2596 states have internal predecessors, (2825), 265 states have call successors, (265), 39 states have call predecessors, (265), 39 states have return successors, (265), 264 states have call predecessors, (265), 265 states have call successors, (265) [2024-11-27 23:43:07,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2900 states to 2900 states and 3355 transitions. [2024-11-27 23:43:07,178 INFO L78 Accepts]: Start accepts. Automaton has 2900 states and 3355 transitions. Word has length 252 [2024-11-27 23:43:07,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:43:07,179 INFO L471 AbstractCegarLoop]: Abstraction has 2900 states and 3355 transitions. [2024-11-27 23:43:07,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 5.4) internal successors, (135), 26 states have internal predecessors, (135), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-27 23:43:07,179 INFO L276 IsEmpty]: Start isEmpty. Operand 2900 states and 3355 transitions. [2024-11-27 23:43:07,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-27 23:43:07,182 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:43:07,182 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2024-11-27 23:43:07,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Ended with exit code 0 [2024-11-27 23:43:07,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:43:07,387 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:43:07,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:43:07,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1954547668, now seen corresponding path program 4 times [2024-11-27 23:43:07,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:43:07,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262289050] [2024-11-27 23:43:07,388 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 23:43:07,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:43:07,443 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 23:43:07,444 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:43:08,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1288 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:43:08,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:43:08,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262289050] [2024-11-27 23:43:08,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262289050] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:43:08,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5549453] [2024-11-27 23:43:08,544 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 23:43:08,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:43:08,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:43:08,546 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:43:08,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2024-11-27 23:43:08,712 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 23:43:08,712 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:43:08,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-27 23:43:08,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:43:12,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1288 backedges. 168 proven. 288 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2024-11-27 23:43:12,656 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:43:13,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5549453] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:43:13,766 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:43:13,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 25] total 38 [2024-11-27 23:43:13,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284737832] [2024-11-27 23:43:13,766 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:43:13,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-27 23:43:13,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:43:13,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-27 23:43:13,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=1671, Unknown=0, NotChecked=0, Total=1806 [2024-11-27 23:43:13,768 INFO L87 Difference]: Start difference. First operand 2900 states and 3355 transitions. Second operand has 39 states, 38 states have (on average 7.342105263157895) internal successors, (279), 39 states have internal predecessors, (279), 17 states have call successors, (46), 1 states have call predecessors, (46), 2 states have return successors, (46), 18 states have call predecessors, (46), 17 states have call successors, (46) [2024-11-27 23:43:22,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:43:22,312 INFO L93 Difference]: Finished difference Result 3391 states and 3921 transitions. [2024-11-27 23:43:22,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-27 23:43:22,313 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 7.342105263157895) internal successors, (279), 39 states have internal predecessors, (279), 17 states have call successors, (46), 1 states have call predecessors, (46), 2 states have return successors, (46), 18 states have call predecessors, (46), 17 states have call successors, (46) Word has length 252 [2024-11-27 23:43:22,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:43:22,316 INFO L225 Difference]: With dead ends: 3391 [2024-11-27 23:43:22,317 INFO L226 Difference]: Without dead ends: 3390 [2024-11-27 23:43:22,318 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 245 SyntacticMatches, 2 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1906 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=546, Invalid=6764, Unknown=0, NotChecked=0, Total=7310 [2024-11-27 23:43:22,318 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 546 mSDsluCounter, 2817 mSDsCounter, 0 mSdLazyCounter, 5589 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 2960 SdHoareTripleChecker+Invalid, 5699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 5589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:43:22,318 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 2960 Invalid, 5699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 5589 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-11-27 23:43:22,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3390 states. [2024-11-27 23:43:23,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3390 to 2952. [2024-11-27 23:43:23,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2952 states, 2635 states have (on average 1.0910815939278937) internal successors, (2875), 2644 states have internal predecessors, (2875), 269 states have call successors, (269), 39 states have call predecessors, (269), 39 states have return successors, (269), 268 states have call predecessors, (269), 269 states have call successors, (269) [2024-11-27 23:43:23,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2952 states to 2952 states and 3413 transitions. [2024-11-27 23:43:23,264 INFO L78 Accepts]: Start accepts. Automaton has 2952 states and 3413 transitions. Word has length 252 [2024-11-27 23:43:23,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:43:23,265 INFO L471 AbstractCegarLoop]: Abstraction has 2952 states and 3413 transitions. [2024-11-27 23:43:23,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 38 states have (on average 7.342105263157895) internal successors, (279), 39 states have internal predecessors, (279), 17 states have call successors, (46), 1 states have call predecessors, (46), 2 states have return successors, (46), 18 states have call predecessors, (46), 17 states have call successors, (46) [2024-11-27 23:43:23,265 INFO L276 IsEmpty]: Start isEmpty. Operand 2952 states and 3413 transitions. [2024-11-27 23:43:23,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-11-27 23:43:23,269 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:43:23,269 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2024-11-27 23:43:23,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Ended with exit code 0 [2024-11-27 23:43:23,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66,59 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:43:23,473 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:43:23,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:43:23,474 INFO L85 PathProgramCache]: Analyzing trace with hash 2129226958, now seen corresponding path program 9 times [2024-11-27 23:43:23,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:43:23,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123795526] [2024-11-27 23:43:23,474 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:43:23,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:43:23,558 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-27 23:43:23,558 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:43:24,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-27 23:43:24,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:43:24,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123795526] [2024-11-27 23:43:24,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123795526] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:43:24,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171227120] [2024-11-27 23:43:24,911 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:43:24,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:43:24,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:43:24,916 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:43:24,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2024-11-27 23:43:25,008 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-27 23:43:25,008 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:43:25,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-27 23:43:25,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:43:25,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 1160 trivial. 0 not checked. [2024-11-27 23:43:25,959 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:43:25,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171227120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:43:25,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:43:25,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [19] total 27 [2024-11-27 23:43:25,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97109867] [2024-11-27 23:43:25,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:43:25,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 23:43:25,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:43:25,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 23:43:25,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=674, Unknown=0, NotChecked=0, Total=756 [2024-11-27 23:43:25,962 INFO L87 Difference]: Start difference. First operand 2952 states and 3413 transitions. Second operand has 10 states, 9 states have (on average 6.777777777777778) internal successors, (61), 10 states have internal predecessors, (61), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 23:43:27,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:43:27,711 INFO L93 Difference]: Finished difference Result 2971 states and 3433 transitions. [2024-11-27 23:43:27,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 23:43:27,711 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.777777777777778) internal successors, (61), 10 states have internal predecessors, (61), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 256 [2024-11-27 23:43:27,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:43:27,716 INFO L225 Difference]: With dead ends: 2971 [2024-11-27 23:43:27,716 INFO L226 Difference]: Without dead ends: 2970 [2024-11-27 23:43:27,717 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 248 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=102, Invalid=828, Unknown=0, NotChecked=0, Total=930 [2024-11-27 23:43:27,717 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 130 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:43:27,717 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 113 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:43:27,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2970 states. [2024-11-27 23:43:28,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2970 to 2463. [2024-11-27 23:43:28,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2463 states, 2177 states have (on average 1.0854386770785485) internal successors, (2363), 2185 states have internal predecessors, (2363), 239 states have call successors, (239), 39 states have call predecessors, (239), 39 states have return successors, (239), 238 states have call predecessors, (239), 239 states have call successors, (239) [2024-11-27 23:43:28,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2463 states to 2463 states and 2841 transitions. [2024-11-27 23:43:28,511 INFO L78 Accepts]: Start accepts. Automaton has 2463 states and 2841 transitions. Word has length 256 [2024-11-27 23:43:28,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:43:28,512 INFO L471 AbstractCegarLoop]: Abstraction has 2463 states and 2841 transitions. [2024-11-27 23:43:28,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.777777777777778) internal successors, (61), 10 states have internal predecessors, (61), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 23:43:28,512 INFO L276 IsEmpty]: Start isEmpty. Operand 2463 states and 2841 transitions. [2024-11-27 23:43:28,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-27 23:43:28,516 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:43:28,516 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2024-11-27 23:43:28,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Forceful destruction successful, exit code 0 [2024-11-27 23:43:28,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2024-11-27 23:43:28,720 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:43:28,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:43:28,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1984477624, now seen corresponding path program 2 times [2024-11-27 23:43:28,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:43:28,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232299030] [2024-11-27 23:43:28,720 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:43:28,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:43:28,757 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:43:28,758 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:43:29,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 50 proven. 120 refuted. 0 times theorem prover too weak. 1440 trivial. 0 not checked. [2024-11-27 23:43:29,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:43:29,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232299030] [2024-11-27 23:43:29,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232299030] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:43:29,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51591084] [2024-11-27 23:43:29,558 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:43:29,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:43:29,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:43:29,562 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:43:29,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2024-11-27 23:43:29,702 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:43:29,702 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:43:29,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-27 23:43:29,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:43:32,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-27 23:43:32,451 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:44:21,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51591084] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:44:21,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:44:21,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 28] total 40 [2024-11-27 23:44:21,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319166059] [2024-11-27 23:44:21,020 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:44:21,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-27 23:44:21,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:44:21,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-27 23:44:21,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=956, Invalid=2583, Unknown=1, NotChecked=0, Total=3540 [2024-11-27 23:44:21,022 INFO L87 Difference]: Start difference. First operand 2463 states and 2841 transitions. Second operand has 41 states, 40 states have (on average 5.975) internal successors, (239), 41 states have internal predecessors, (239), 15 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 15 states have call predecessors, (40), 15 states have call successors, (40) [2024-11-27 23:44:27,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:44:27,181 INFO L93 Difference]: Finished difference Result 3235 states and 3732 transitions. [2024-11-27 23:44:27,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-27 23:44:27,182 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 5.975) internal successors, (239), 41 states have internal predecessors, (239), 15 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 15 states have call predecessors, (40), 15 states have call successors, (40) Word has length 270 [2024-11-27 23:44:27,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:44:27,186 INFO L225 Difference]: With dead ends: 3235 [2024-11-27 23:44:27,186 INFO L226 Difference]: Without dead ends: 3234 [2024-11-27 23:44:27,187 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 368 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2168 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=1857, Invalid=4784, Unknown=1, NotChecked=0, Total=6642 [2024-11-27 23:44:27,187 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 424 mSDsluCounter, 1993 mSDsCounter, 0 mSdLazyCounter, 4815 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 2149 SdHoareTripleChecker+Invalid, 4877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 4815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:44:27,187 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 2149 Invalid, 4877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 4815 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-27 23:44:27,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3234 states. [2024-11-27 23:44:28,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3234 to 2551. [2024-11-27 23:44:28,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2551 states, 2255 states have (on average 1.0824833702882484) internal successors, (2441), 2264 states have internal predecessors, (2441), 249 states have call successors, (249), 39 states have call predecessors, (249), 39 states have return successors, (249), 247 states have call predecessors, (249), 249 states have call successors, (249) [2024-11-27 23:44:28,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 2551 states and 2939 transitions. [2024-11-27 23:44:28,111 INFO L78 Accepts]: Start accepts. Automaton has 2551 states and 2939 transitions. Word has length 270 [2024-11-27 23:44:28,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:44:28,111 INFO L471 AbstractCegarLoop]: Abstraction has 2551 states and 2939 transitions. [2024-11-27 23:44:28,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 5.975) internal successors, (239), 41 states have internal predecessors, (239), 15 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 15 states have call predecessors, (40), 15 states have call successors, (40) [2024-11-27 23:44:28,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2551 states and 2939 transitions. [2024-11-27 23:44:28,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-11-27 23:44:28,113 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:44:28,113 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 1, 1, 1] [2024-11-27 23:44:28,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Ended with exit code 0 [2024-11-27 23:44:28,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2024-11-27 23:44:28,314 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:44:28,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:44:28,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1583450463, now seen corresponding path program 3 times [2024-11-27 23:44:28,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:44:28,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192561440] [2024-11-27 23:44:28,314 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:44:28,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:44:28,346 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2024-11-27 23:44:28,346 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:44:28,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 750 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-27 23:44:28,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:44:28,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192561440] [2024-11-27 23:44:28,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192561440] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:44:28,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155751423] [2024-11-27 23:44:28,776 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:44:28,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:44:28,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:44:28,778 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:44:28,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2024-11-27 23:44:28,956 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2024-11-27 23:44:28,956 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:44:28,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-27 23:44:28,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:44:29,322 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 750 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-27 23:44:29,323 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:44:30,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 750 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-27 23:44:30,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155751423] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:44:30,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:44:30,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2024-11-27 23:44:30,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385583833] [2024-11-27 23:44:30,019 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:44:30,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-27 23:44:30,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:44:30,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-27 23:44:30,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-11-27 23:44:30,020 INFO L87 Difference]: Start difference. First operand 2551 states and 2939 transitions. Second operand has 25 states, 24 states have (on average 10.583333333333334) internal successors, (254), 25 states have internal predecessors, (254), 23 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 23 states have call predecessors, (69), 23 states have call successors, (69) [2024-11-27 23:44:32,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:44:32,714 INFO L93 Difference]: Finished difference Result 5025 states and 5943 transitions. [2024-11-27 23:44:32,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 23:44:32,715 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 10.583333333333334) internal successors, (254), 25 states have internal predecessors, (254), 23 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 23 states have call predecessors, (69), 23 states have call successors, (69) Word has length 286 [2024-11-27 23:44:32,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:44:32,724 INFO L225 Difference]: With dead ends: 5025 [2024-11-27 23:44:32,724 INFO L226 Difference]: Without dead ends: 5023 [2024-11-27 23:44:32,726 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 582 GetRequests, 559 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-11-27 23:44:32,727 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 1237 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1281 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:44:32,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1281 Valid, 810 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 23:44:32,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5023 states. [2024-11-27 23:44:33,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5023 to 2597. [2024-11-27 23:44:33,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2597 states, 2291 states have (on average 1.0829332169358359) internal successors, (2481), 2300 states have internal predecessors, (2481), 261 states have call successors, (261), 37 states have call predecessors, (261), 37 states have return successors, (261), 259 states have call predecessors, (261), 261 states have call successors, (261) [2024-11-27 23:44:33,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2597 states to 2597 states and 3003 transitions. [2024-11-27 23:44:33,762 INFO L78 Accepts]: Start accepts. Automaton has 2597 states and 3003 transitions. Word has length 286 [2024-11-27 23:44:33,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:44:33,762 INFO L471 AbstractCegarLoop]: Abstraction has 2597 states and 3003 transitions. [2024-11-27 23:44:33,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 10.583333333333334) internal successors, (254), 25 states have internal predecessors, (254), 23 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 23 states have call predecessors, (69), 23 states have call successors, (69) [2024-11-27 23:44:33,762 INFO L276 IsEmpty]: Start isEmpty. Operand 2597 states and 3003 transitions. [2024-11-27 23:44:33,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-27 23:44:33,767 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:44:33,768 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2024-11-27 23:44:33,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Ended with exit code 0 [2024-11-27 23:44:33,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2024-11-27 23:44:33,968 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:44:33,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:44:33,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1333679814, now seen corresponding path program 3 times [2024-11-27 23:44:33,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:44:33,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173055337] [2024-11-27 23:44:33,969 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:44:33,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:44:34,053 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2024-11-27 23:44:34,053 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:44:35,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1486 backedges. 132 proven. 246 refuted. 0 times theorem prover too weak. 1108 trivial. 0 not checked. [2024-11-27 23:44:35,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:44:35,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173055337] [2024-11-27 23:44:35,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173055337] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:44:35,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399175980] [2024-11-27 23:44:35,099 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:44:35,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:44:35,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:44:35,101 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:44:35,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2024-11-27 23:44:35,193 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-27 23:44:35,193 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:44:35,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-27 23:44:35,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:44:36,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1486 backedges. 99 proven. 46 refuted. 0 times theorem prover too weak. 1341 trivial. 0 not checked. [2024-11-27 23:44:36,089 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:44:45,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399175980] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:44:45,360 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:44:45,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 10] total 28 [2024-11-27 23:44:45,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022331688] [2024-11-27 23:44:45,360 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:44:45,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-27 23:44:45,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:44:45,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-27 23:44:45,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=954, Unknown=1, NotChecked=0, Total=1056 [2024-11-27 23:44:45,362 INFO L87 Difference]: Start difference. First operand 2597 states and 3003 transitions. Second operand has 28 states, 28 states have (on average 7.5) internal successors, (210), 28 states have internal predecessors, (210), 12 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (31), 13 states have call predecessors, (31), 12 states have call successors, (31) [2024-11-27 23:44:53,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:44:53,093 INFO L93 Difference]: Finished difference Result 3083 states and 3556 transitions. [2024-11-27 23:44:53,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-11-27 23:44:53,093 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 7.5) internal successors, (210), 28 states have internal predecessors, (210), 12 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (31), 13 states have call predecessors, (31), 12 states have call successors, (31) Word has length 278 [2024-11-27 23:44:53,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:44:53,097 INFO L225 Difference]: With dead ends: 3083 [2024-11-27 23:44:53,097 INFO L226 Difference]: Without dead ends: 2638 [2024-11-27 23:44:53,099 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3889 ImplicationChecksByTransitivity, 13.6s TimeCoverageRelationStatistics Valid=2088, Invalid=11483, Unknown=1, NotChecked=0, Total=13572 [2024-11-27 23:44:53,099 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 798 mSDsluCounter, 779 mSDsCounter, 0 mSdLazyCounter, 1999 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 2176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 1999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:44:53,099 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 823 Invalid, 2176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 1999 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-27 23:44:53,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2638 states. [2024-11-27 23:44:53,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2638 to 1414. [2024-11-27 23:44:53,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1414 states, 1215 states have (on average 1.0740740740740742) internal successors, (1305), 1222 states have internal predecessors, (1305), 155 states have call successors, (155), 37 states have call predecessors, (155), 37 states have return successors, (155), 154 states have call predecessors, (155), 155 states have call successors, (155) [2024-11-27 23:44:53,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 1615 transitions. [2024-11-27 23:44:53,618 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 1615 transitions. Word has length 278 [2024-11-27 23:44:53,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:44:53,619 INFO L471 AbstractCegarLoop]: Abstraction has 1414 states and 1615 transitions. [2024-11-27 23:44:53,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 7.5) internal successors, (210), 28 states have internal predecessors, (210), 12 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (31), 13 states have call predecessors, (31), 12 states have call successors, (31) [2024-11-27 23:44:53,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1615 transitions. [2024-11-27 23:44:53,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-11-27 23:44:53,622 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:44:53,622 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 29, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:44:53,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Forceful destruction successful, exit code 0 [2024-11-27 23:44:53,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,63 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:44:53,824 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:44:53,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:44:53,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1808630888, now seen corresponding path program 3 times [2024-11-27 23:44:53,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:44:53,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560659220] [2024-11-27 23:44:53,825 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:44:53,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:44:53,892 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-27 23:44:53,892 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:44:55,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2018 backedges. 0 proven. 394 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-27 23:44:55,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:44:55,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560659220] [2024-11-27 23:44:55,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560659220] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:44:55,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355728022] [2024-11-27 23:44:55,091 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:44:55,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:44:55,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:44:55,093 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:44:55,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2024-11-27 23:44:55,481 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-27 23:44:55,481 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:44:55,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-27 23:44:55,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:45:01,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2018 backedges. 399 proven. 219 refuted. 0 times theorem prover too weak. 1400 trivial. 0 not checked. [2024-11-27 23:45:01,568 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:45:02,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355728022] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:45:02,039 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:45:02,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 29] total 60 [2024-11-27 23:45:02,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049659489] [2024-11-27 23:45:02,040 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:45:02,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-11-27 23:45:02,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:45:02,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-11-27 23:45:02,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=403, Invalid=3503, Unknown=0, NotChecked=0, Total=3906 [2024-11-27 23:45:02,042 INFO L87 Difference]: Start difference. First operand 1414 states and 1615 transitions. Second operand has 60 states, 60 states have (on average 4.933333333333334) internal successors, (296), 58 states have internal predecessors, (296), 21 states have call successors, (55), 1 states have call predecessors, (55), 2 states have return successors, (55), 22 states have call predecessors, (55), 21 states have call successors, (55) [2024-11-27 23:45:17,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:45:17,541 INFO L93 Difference]: Finished difference Result 1892 states and 2170 transitions. [2024-11-27 23:45:17,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-11-27 23:45:17,541 INFO L78 Accepts]: Start accepts. Automaton has has 60 states, 60 states have (on average 4.933333333333334) internal successors, (296), 58 states have internal predecessors, (296), 21 states have call successors, (55), 1 states have call predecessors, (55), 2 states have return successors, (55), 22 states have call predecessors, (55), 21 states have call successors, (55) Word has length 293 [2024-11-27 23:45:17,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:45:17,545 INFO L225 Difference]: With dead ends: 1892 [2024-11-27 23:45:17,545 INFO L226 Difference]: Without dead ends: 1885 [2024-11-27 23:45:17,547 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9739 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=2424, Invalid=27678, Unknown=0, NotChecked=0, Total=30102 [2024-11-27 23:45:17,548 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 401 mSDsluCounter, 1268 mSDsCounter, 0 mSdLazyCounter, 6568 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 1333 SdHoareTripleChecker+Invalid, 6668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 6568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:45:17,548 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 1333 Invalid, 6668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 6568 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2024-11-27 23:45:17,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1885 states. [2024-11-27 23:45:18,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1885 to 1829. [2024-11-27 23:45:18,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1829 states, 1586 states have (on average 1.0775535939470366) internal successors, (1709), 1593 states have internal predecessors, (1709), 195 states have call successors, (195), 41 states have call predecessors, (195), 41 states have return successors, (195), 194 states have call predecessors, (195), 195 states have call successors, (195) [2024-11-27 23:45:18,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 1829 states and 2099 transitions. [2024-11-27 23:45:18,530 INFO L78 Accepts]: Start accepts. Automaton has 1829 states and 2099 transitions. Word has length 293 [2024-11-27 23:45:18,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:45:18,530 INFO L471 AbstractCegarLoop]: Abstraction has 1829 states and 2099 transitions. [2024-11-27 23:45:18,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 4.933333333333334) internal successors, (296), 58 states have internal predecessors, (296), 21 states have call successors, (55), 1 states have call predecessors, (55), 2 states have return successors, (55), 22 states have call predecessors, (55), 21 states have call successors, (55) [2024-11-27 23:45:18,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1829 states and 2099 transitions. [2024-11-27 23:45:18,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2024-11-27 23:45:18,534 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:45:18,534 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:45:18,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Ended with exit code 0 [2024-11-27 23:45:18,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,64 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:45:18,735 INFO L396 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:45:18,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:45:18,735 INFO L85 PathProgramCache]: Analyzing trace with hash -767672361, now seen corresponding path program 1 times [2024-11-27 23:45:18,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:45:18,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827767918] [2024-11-27 23:45:18,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:45:18,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:45:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:45:19,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2472 backedges. 0 proven. 488 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-27 23:45:19,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:45:19,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827767918] [2024-11-27 23:45:19,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827767918] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:45:19,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759551630] [2024-11-27 23:45:19,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:45:19,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:45:19,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:45:19,717 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:45:19,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Waiting until timeout for monitored process [2024-11-27 23:45:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:45:19,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-27 23:45:19,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:45:20,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2472 backedges. 0 proven. 2360 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-27 23:45:20,362 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:45:21,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2472 backedges. 0 proven. 488 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-27 23:45:21,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759551630] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:45:21,511 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:45:21,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 27, 28] total 50 [2024-11-27 23:45:21,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824038960] [2024-11-27 23:45:21,512 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:45:21,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-27 23:45:21,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:45:21,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-27 23:45:21,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=507, Invalid=1943, Unknown=0, NotChecked=0, Total=2450 [2024-11-27 23:45:21,514 INFO L87 Difference]: Start difference. First operand 1829 states and 2099 transitions. Second operand has 50 states, 50 states have (on average 7.14) internal successors, (357), 50 states have internal predecessors, (357), 19 states have call successors, (93), 13 states have call predecessors, (93), 13 states have return successors, (93), 19 states have call predecessors, (93), 19 states have call successors, (93) [2024-11-27 23:45:25,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:45:25,273 INFO L93 Difference]: Finished difference Result 3381 states and 3857 transitions. [2024-11-27 23:45:25,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-11-27 23:45:25,274 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 7.14) internal successors, (357), 50 states have internal predecessors, (357), 19 states have call successors, (93), 13 states have call predecessors, (93), 13 states have return successors, (93), 19 states have call predecessors, (93), 19 states have call successors, (93) Word has length 320 [2024-11-27 23:45:25,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:45:25,278 INFO L225 Difference]: With dead ends: 3381 [2024-11-27 23:45:25,278 INFO L226 Difference]: Without dead ends: 3135 [2024-11-27 23:45:25,279 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 721 GetRequests, 612 SyntacticMatches, 7 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3087 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=2283, Invalid=8429, Unknown=0, NotChecked=0, Total=10712 [2024-11-27 23:45:25,279 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 375 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:45:25,279 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 799 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:45:25,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3135 states. [2024-11-27 23:45:26,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3135 to 2617. [2024-11-27 23:45:26,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2617 states, 2275 states have (on average 1.0624175824175823) internal successors, (2417), 2290 states have internal predecessors, (2417), 271 states have call successors, (271), 64 states have call predecessors, (271), 64 states have return successors, (271), 262 states have call predecessors, (271), 271 states have call successors, (271) [2024-11-27 23:45:26,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 2617 states and 2959 transitions. [2024-11-27 23:45:26,591 INFO L78 Accepts]: Start accepts. Automaton has 2617 states and 2959 transitions. Word has length 320 [2024-11-27 23:45:26,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:45:26,591 INFO L471 AbstractCegarLoop]: Abstraction has 2617 states and 2959 transitions. [2024-11-27 23:45:26,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 7.14) internal successors, (357), 50 states have internal predecessors, (357), 19 states have call successors, (93), 13 states have call predecessors, (93), 13 states have return successors, (93), 19 states have call predecessors, (93), 19 states have call successors, (93) [2024-11-27 23:45:26,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2617 states and 2959 transitions. [2024-11-27 23:45:26,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2024-11-27 23:45:26,597 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:45:26,597 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:45:26,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Ended with exit code 0 [2024-11-27 23:45:26,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,65 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:45:26,798 INFO L396 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:45:26,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:45:26,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1527886456, now seen corresponding path program 2 times [2024-11-27 23:45:26,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:45:26,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824084964] [2024-11-27 23:45:26,799 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:45:26,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:45:26,853 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:45:26,853 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:45:27,140 INFO L134 CoverageAnalysis]: Checked inductivity of 2896 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 2731 trivial. 0 not checked. [2024-11-27 23:45:27,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:45:27,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824084964] [2024-11-27 23:45:27,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824084964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:45:27,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:45:27,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:45:27,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998616493] [2024-11-27 23:45:27,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:45:27,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:45:27,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:45:27,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:45:27,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:45:27,143 INFO L87 Difference]: Start difference. First operand 2617 states and 2959 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 23:45:28,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:45:28,528 INFO L93 Difference]: Finished difference Result 2617 states and 2959 transitions. [2024-11-27 23:45:28,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:45:28,528 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 369 [2024-11-27 23:45:28,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:45:28,533 INFO L225 Difference]: With dead ends: 2617 [2024-11-27 23:45:28,533 INFO L226 Difference]: Without dead ends: 2616 [2024-11-27 23:45:28,534 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:45:28,535 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 17 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:45:28,535 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 192 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:45:28,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2616 states. [2024-11-27 23:45:29,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2616 to 2572. [2024-11-27 23:45:29,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2572 states, 2231 states have (on average 1.0578216046615867) internal successors, (2360), 2249 states have internal predecessors, (2360), 271 states have call successors, (271), 64 states have call predecessors, (271), 64 states have return successors, (271), 258 states have call predecessors, (271), 271 states have call successors, (271) [2024-11-27 23:45:29,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2572 states to 2572 states and 2902 transitions. [2024-11-27 23:45:29,760 INFO L78 Accepts]: Start accepts. Automaton has 2572 states and 2902 transitions. Word has length 369 [2024-11-27 23:45:29,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:45:29,760 INFO L471 AbstractCegarLoop]: Abstraction has 2572 states and 2902 transitions. [2024-11-27 23:45:29,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 23:45:29,760 INFO L276 IsEmpty]: Start isEmpty. Operand 2572 states and 2902 transitions. [2024-11-27 23:45:29,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2024-11-27 23:45:29,763 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:45:29,763 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:45:29,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2024-11-27 23:45:29,763 INFO L396 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:45:29,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:45:29,764 INFO L85 PathProgramCache]: Analyzing trace with hash 579933655, now seen corresponding path program 4 times [2024-11-27 23:45:29,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:45:29,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534821990] [2024-11-27 23:45:29,764 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 23:45:29,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:45:29,800 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 23:45:29,800 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:45:32,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2906 backedges. 0 proven. 922 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-27 23:45:32,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:45:32,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534821990] [2024-11-27 23:45:32,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534821990] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:45:32,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092400115] [2024-11-27 23:45:32,475 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 23:45:32,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:45:32,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:45:32,477 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:45:32,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Waiting until timeout for monitored process [2024-11-27 23:45:32,632 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 23:45:32,632 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:45:32,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-27 23:45:32,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:45:33,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2906 backedges. 0 proven. 2818 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-27 23:45:33,345 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:45:34,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2906 backedges. 0 proven. 922 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-27 23:45:34,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092400115] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:45:34,947 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:45:34,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 31, 32] total 62 [2024-11-27 23:45:34,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773084580] [2024-11-27 23:45:34,948 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:45:34,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-11-27 23:45:34,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:45:34,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-11-27 23:45:34,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=855, Invalid=2927, Unknown=0, NotChecked=0, Total=3782 [2024-11-27 23:45:34,950 INFO L87 Difference]: Start difference. First operand 2572 states and 2902 transitions. Second operand has 62 states, 62 states have (on average 6.725806451612903) internal successors, (417), 62 states have internal predecessors, (417), 19 states have call successors, (86), 15 states have call predecessors, (86), 15 states have return successors, (86), 19 states have call predecessors, (86), 19 states have call successors, (86) [2024-11-27 23:45:39,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:45:39,127 INFO L93 Difference]: Finished difference Result 4001 states and 4497 transitions. [2024-11-27 23:45:39,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-11-27 23:45:39,128 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 62 states have (on average 6.725806451612903) internal successors, (417), 62 states have internal predecessors, (417), 19 states have call successors, (86), 15 states have call predecessors, (86), 15 states have return successors, (86), 19 states have call predecessors, (86), 19 states have call successors, (86) Word has length 371 [2024-11-27 23:45:39,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:45:39,136 INFO L225 Difference]: With dead ends: 4001 [2024-11-27 23:45:39,136 INFO L226 Difference]: Without dead ends: 3990 [2024-11-27 23:45:39,138 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 819 GetRequests, 710 SyntacticMatches, 16 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3546 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1924, Invalid=7006, Unknown=0, NotChecked=0, Total=8930 [2024-11-27 23:45:39,139 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 280 mSDsluCounter, 1129 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 1180 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:45:39,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 1180 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:45:39,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3990 states. [2024-11-27 23:45:41,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3990 to 3652. [2024-11-27 23:45:41,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3652 states, 3186 states have (on average 1.051475204017577) internal successors, (3350), 3205 states have internal predecessors, (3350), 369 states have call successors, (369), 91 states have call predecessors, (369), 91 states have return successors, (369), 355 states have call predecessors, (369), 369 states have call successors, (369) [2024-11-27 23:45:41,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3652 states to 3652 states and 4088 transitions. [2024-11-27 23:45:41,632 INFO L78 Accepts]: Start accepts. Automaton has 3652 states and 4088 transitions. Word has length 371 [2024-11-27 23:45:41,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:45:41,632 INFO L471 AbstractCegarLoop]: Abstraction has 3652 states and 4088 transitions. [2024-11-27 23:45:41,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 6.725806451612903) internal successors, (417), 62 states have internal predecessors, (417), 19 states have call successors, (86), 15 states have call predecessors, (86), 15 states have return successors, (86), 19 states have call predecessors, (86), 19 states have call successors, (86) [2024-11-27 23:45:41,632 INFO L276 IsEmpty]: Start isEmpty. Operand 3652 states and 4088 transitions. [2024-11-27 23:45:41,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2024-11-27 23:45:41,636 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:45:41,637 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:45:41,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Ended with exit code 0 [2024-11-27 23:45:41,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,66 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:45:41,837 INFO L396 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:45:41,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:45:41,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1884855335, now seen corresponding path program 1 times [2024-11-27 23:45:41,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:45:41,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860660690] [2024-11-27 23:45:41,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:45:41,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:45:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:45:43,341 INFO L134 CoverageAnalysis]: Checked inductivity of 5858 backedges. 0 proven. 1530 refuted. 0 times theorem prover too weak. 4328 trivial. 0 not checked. [2024-11-27 23:45:43,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:45:43,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860660690] [2024-11-27 23:45:43,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860660690] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:45:43,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221930065] [2024-11-27 23:45:43,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:45:43,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:45:43,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:45:43,344 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:45:43,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Waiting until timeout for monitored process [2024-11-27 23:45:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:45:43,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-27 23:45:43,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:45:44,141 INFO L134 CoverageAnalysis]: Checked inductivity of 5858 backedges. 360 proven. 5310 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-11-27 23:45:44,141 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:45:45,490 INFO L134 CoverageAnalysis]: Checked inductivity of 5858 backedges. 0 proven. 1530 refuted. 0 times theorem prover too weak. 4328 trivial. 0 not checked. [2024-11-27 23:45:45,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221930065] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:45:45,490 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:45:45,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 33, 34] total 45 [2024-11-27 23:45:45,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954767900] [2024-11-27 23:45:45,491 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:45:45,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-11-27 23:45:45,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:45:45,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-11-27 23:45:45,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=547, Invalid=1433, Unknown=0, NotChecked=0, Total=1980 [2024-11-27 23:45:45,493 INFO L87 Difference]: Start difference. First operand 3652 states and 4088 transitions. Second operand has 45 states, 45 states have (on average 6.622222222222222) internal successors, (298), 45 states have internal predecessors, (298), 20 states have call successors, (106), 17 states have call predecessors, (106), 17 states have return successors, (106), 20 states have call predecessors, (106), 20 states have call successors, (106) [2024-11-27 23:45:49,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:45:49,401 INFO L93 Difference]: Finished difference Result 3907 states and 4367 transitions. [2024-11-27 23:45:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-11-27 23:45:49,402 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 6.622222222222222) internal successors, (298), 45 states have internal predecessors, (298), 20 states have call successors, (106), 17 states have call predecessors, (106), 17 states have return successors, (106), 20 states have call predecessors, (106), 20 states have call successors, (106) Word has length 431 [2024-11-27 23:45:49,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:45:49,408 INFO L225 Difference]: With dead ends: 3907 [2024-11-27 23:45:49,408 INFO L226 Difference]: Without dead ends: 3687 [2024-11-27 23:45:49,410 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 933 GetRequests, 828 SyntacticMatches, 24 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2225 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=2146, Invalid=4660, Unknown=0, NotChecked=0, Total=6806 [2024-11-27 23:45:49,411 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 284 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:45:49,411 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 723 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:45:49,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3687 states. [2024-11-27 23:45:51,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3687 to 3668. [2024-11-27 23:45:51,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3668 states, 3198 states have (on average 1.049718574108818) internal successors, (3357), 3217 states have internal predecessors, (3357), 369 states have call successors, (369), 95 states have call predecessors, (369), 95 states have return successors, (369), 355 states have call predecessors, (369), 369 states have call successors, (369) [2024-11-27 23:45:51,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3668 states to 3668 states and 4095 transitions. [2024-11-27 23:45:51,432 INFO L78 Accepts]: Start accepts. Automaton has 3668 states and 4095 transitions. Word has length 431 [2024-11-27 23:45:51,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:45:51,432 INFO L471 AbstractCegarLoop]: Abstraction has 3668 states and 4095 transitions. [2024-11-27 23:45:51,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 6.622222222222222) internal successors, (298), 45 states have internal predecessors, (298), 20 states have call successors, (106), 17 states have call predecessors, (106), 17 states have return successors, (106), 20 states have call predecessors, (106), 20 states have call successors, (106) [2024-11-27 23:45:51,432 INFO L276 IsEmpty]: Start isEmpty. Operand 3668 states and 4095 transitions. [2024-11-27 23:45:51,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2024-11-27 23:45:51,437 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:45:51,437 INFO L218 NwaCegarLoop]: trace histogram [50, 50, 50, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:45:51,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Ended with exit code 0 [2024-11-27 23:45:51,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,67 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:45:51,637 INFO L396 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:45:51,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:45:51,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1712403767, now seen corresponding path program 2 times [2024-11-27 23:45:51,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:45:51,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139572125] [2024-11-27 23:45:51,638 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:45:51,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:45:51,658 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:45:51,659 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:45:53,285 INFO L134 CoverageAnalysis]: Checked inductivity of 6524 backedges. 0 proven. 1624 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-27 23:45:53,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:45:53,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139572125] [2024-11-27 23:45:53,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139572125] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:45:53,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916088450] [2024-11-27 23:45:53,286 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:45:53,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:45:53,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:45:53,287 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:45:53,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Waiting until timeout for monitored process [2024-11-27 23:45:53,427 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:45:53,427 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:45:53,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-27 23:45:53,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:45:54,164 INFO L134 CoverageAnalysis]: Checked inductivity of 6524 backedges. 0 proven. 6328 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-27 23:45:54,164 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:45:55,702 INFO L134 CoverageAnalysis]: Checked inductivity of 6524 backedges. 0 proven. 1624 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-27 23:45:55,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916088450] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:45:55,702 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:45:55,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 37, 38] total 49 [2024-11-27 23:45:55,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517417010] [2024-11-27 23:45:55,703 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:45:55,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-11-27 23:45:55,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:45:55,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-11-27 23:45:55,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=536, Invalid=1816, Unknown=0, NotChecked=0, Total=2352 [2024-11-27 23:45:55,705 INFO L87 Difference]: Start difference. First operand 3668 states and 4095 transitions. Second operand has 49 states, 49 states have (on average 6.36734693877551) internal successors, (312), 49 states have internal predecessors, (312), 19 states have call successors, (108), 18 states have call predecessors, (108), 18 states have return successors, (108), 19 states have call predecessors, (108), 19 states have call successors, (108) [2024-11-27 23:46:00,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:46:00,355 INFO L93 Difference]: Finished difference Result 4062 states and 4527 transitions. [2024-11-27 23:46:00,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-11-27 23:46:00,356 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 6.36734693877551) internal successors, (312), 49 states have internal predecessors, (312), 19 states have call successors, (108), 18 states have call predecessors, (108), 18 states have return successors, (108), 19 states have call predecessors, (108), 19 states have call successors, (108) Word has length 449 [2024-11-27 23:46:00,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:46:00,361 INFO L225 Difference]: With dead ends: 4062 [2024-11-27 23:46:00,361 INFO L226 Difference]: Without dead ends: 4054 [2024-11-27 23:46:00,362 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 990 GetRequests, 860 SyntacticMatches, 30 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3475 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=2266, Invalid=8036, Unknown=0, NotChecked=0, Total=10302 [2024-11-27 23:46:00,362 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 323 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:46:00,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 688 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:46:00,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4054 states. [2024-11-27 23:46:02,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4054 to 3862. [2024-11-27 23:46:02,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3862 states, 3372 states have (on average 1.0483392645314353) internal successors, (3535), 3391 states have internal predecessors, (3535), 383 states have call successors, (383), 101 states have call predecessors, (383), 101 states have return successors, (383), 369 states have call predecessors, (383), 383 states have call successors, (383) [2024-11-27 23:46:02,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 3862 states and 4301 transitions. [2024-11-27 23:46:02,607 INFO L78 Accepts]: Start accepts. Automaton has 3862 states and 4301 transitions. Word has length 449 [2024-11-27 23:46:02,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:46:02,607 INFO L471 AbstractCegarLoop]: Abstraction has 3862 states and 4301 transitions. [2024-11-27 23:46:02,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 6.36734693877551) internal successors, (312), 49 states have internal predecessors, (312), 19 states have call successors, (108), 18 states have call predecessors, (108), 18 states have return successors, (108), 19 states have call predecessors, (108), 19 states have call successors, (108) [2024-11-27 23:46:02,608 INFO L276 IsEmpty]: Start isEmpty. Operand 3862 states and 4301 transitions. [2024-11-27 23:46:02,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2024-11-27 23:46:02,613 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:46:02,614 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:46:02,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Ended with exit code 0 [2024-11-27 23:46:02,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 68 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable76 [2024-11-27 23:46:02,814 INFO L396 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:46:02,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:46:02,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1089273500, now seen corresponding path program 2 times [2024-11-27 23:46:02,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:46:02,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406967262] [2024-11-27 23:46:02,815 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:46:02,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:46:02,853 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:46:02,853 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:46:04,667 INFO L134 CoverageAnalysis]: Checked inductivity of 5948 backedges. 0 proven. 1244 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-27 23:46:04,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:46:04,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406967262] [2024-11-27 23:46:04,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406967262] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:46:04,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445127325] [2024-11-27 23:46:04,668 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:46:04,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:46:04,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:46:04,670 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:46:04,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Waiting until timeout for monitored process [2024-11-27 23:46:04,843 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:46:04,843 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:46:04,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 850 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-27 23:46:04,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:46:05,644 INFO L134 CoverageAnalysis]: Checked inductivity of 5948 backedges. 0 proven. 5772 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-11-27 23:46:05,644 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:46:07,163 INFO L134 CoverageAnalysis]: Checked inductivity of 5948 backedges. 0 proven. 1244 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-27 23:46:07,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445127325] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:46:07,163 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:46:07,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 39, 40] total 48 [2024-11-27 23:46:07,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657712073] [2024-11-27 23:46:07,164 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:46:07,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-27 23:46:07,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:46:07,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-27 23:46:07,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=479, Invalid=1777, Unknown=0, NotChecked=0, Total=2256 [2024-11-27 23:46:07,166 INFO L87 Difference]: Start difference. First operand 3862 states and 4301 transitions. Second operand has 48 states, 48 states have (on average 6.979166666666667) internal successors, (335), 48 states have internal predecessors, (335), 19 states have call successors, (103), 19 states have call predecessors, (103), 19 states have return successors, (103), 19 states have call predecessors, (103), 19 states have call successors, (103) [2024-11-27 23:46:12,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:46:12,029 INFO L93 Difference]: Finished difference Result 4812 states and 5351 transitions. [2024-11-27 23:46:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-11-27 23:46:12,029 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 6.979166666666667) internal successors, (335), 48 states have internal predecessors, (335), 19 states have call successors, (103), 19 states have call predecessors, (103), 19 states have return successors, (103), 19 states have call predecessors, (103), 19 states have call successors, (103) Word has length 476 [2024-11-27 23:46:12,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:46:12,034 INFO L225 Difference]: With dead ends: 4812 [2024-11-27 23:46:12,034 INFO L226 Difference]: Without dead ends: 4804 [2024-11-27 23:46:12,036 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1041 GetRequests, 912 SyntacticMatches, 35 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3228 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1899, Invalid=7221, Unknown=0, NotChecked=0, Total=9120 [2024-11-27 23:46:12,037 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 271 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 991 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:46:12,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 991 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:46:12,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4804 states. [2024-11-27 23:46:14,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4804 to 3862. [2024-11-27 23:46:14,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3862 states, 3372 states have (on average 1.0483392645314353) internal successors, (3535), 3391 states have internal predecessors, (3535), 383 states have call successors, (383), 101 states have call predecessors, (383), 101 states have return successors, (383), 369 states have call predecessors, (383), 383 states have call successors, (383) [2024-11-27 23:46:14,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 3862 states and 4301 transitions. [2024-11-27 23:46:14,322 INFO L78 Accepts]: Start accepts. Automaton has 3862 states and 4301 transitions. Word has length 476 [2024-11-27 23:46:14,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:46:14,323 INFO L471 AbstractCegarLoop]: Abstraction has 3862 states and 4301 transitions. [2024-11-27 23:46:14,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 6.979166666666667) internal successors, (335), 48 states have internal predecessors, (335), 19 states have call successors, (103), 19 states have call predecessors, (103), 19 states have return successors, (103), 19 states have call predecessors, (103), 19 states have call successors, (103) [2024-11-27 23:46:14,323 INFO L276 IsEmpty]: Start isEmpty. Operand 3862 states and 4301 transitions. [2024-11-27 23:46:14,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2024-11-27 23:46:14,329 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:46:14,329 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:46:14,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Ended with exit code 0 [2024-11-27 23:46:14,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable77 [2024-11-27 23:46:14,530 INFO L396 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:46:14,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:46:14,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1715419166, now seen corresponding path program 3 times [2024-11-27 23:46:14,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:46:14,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492358990] [2024-11-27 23:46:14,530 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:46:14,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:46:14,722 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2024-11-27 23:46:14,722 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:46:17,451 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 1136 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2024-11-27 23:46:17,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:46:17,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492358990] [2024-11-27 23:46:17,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492358990] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:46:17,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429294155] [2024-11-27 23:46:17,451 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:46:17,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:46:17,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:46:17,453 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:46:17,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Waiting until timeout for monitored process [2024-11-27 23:46:18,233 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2024-11-27 23:46:18,233 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:46:18,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 842 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-27 23:46:18,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:46:19,076 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 5300 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-27 23:46:19,076 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:46:20,696 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 1136 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2024-11-27 23:46:20,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429294155] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:46:20,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:46:20,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 39, 40] total 58 [2024-11-27 23:46:20,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868472230] [2024-11-27 23:46:20,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:46:20,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-11-27 23:46:20,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:46:20,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-11-27 23:46:20,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=697, Invalid=2609, Unknown=0, NotChecked=0, Total=3306 [2024-11-27 23:46:20,700 INFO L87 Difference]: Start difference. First operand 3862 states and 4301 transitions. Second operand has 58 states, 58 states have (on average 6.293103448275862) internal successors, (365), 58 states have internal predecessors, (365), 19 states have call successors, (99), 19 states have call predecessors, (99), 19 states have return successors, (99), 19 states have call predecessors, (99), 19 states have call successors, (99) [2024-11-27 23:46:25,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:46:25,560 INFO L93 Difference]: Finished difference Result 4668 states and 5192 transitions. [2024-11-27 23:46:25,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-27 23:46:25,560 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 58 states have (on average 6.293103448275862) internal successors, (365), 58 states have internal predecessors, (365), 19 states have call successors, (99), 19 states have call predecessors, (99), 19 states have return successors, (99), 19 states have call predecessors, (99), 19 states have call successors, (99) Word has length 476 [2024-11-27 23:46:25,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:46:25,567 INFO L225 Difference]: With dead ends: 4668 [2024-11-27 23:46:25,567 INFO L226 Difference]: Without dead ends: 4660 [2024-11-27 23:46:25,568 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1039 GetRequests, 912 SyntacticMatches, 35 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3852 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1795, Invalid=6947, Unknown=0, NotChecked=0, Total=8742 [2024-11-27 23:46:25,569 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 221 mSDsluCounter, 955 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 1006 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:46:25,569 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 1006 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:46:25,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4660 states. [2024-11-27 23:46:28,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4660 to 3862. [2024-11-27 23:46:28,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3862 states, 3372 states have (on average 1.0483392645314353) internal successors, (3535), 3391 states have internal predecessors, (3535), 383 states have call successors, (383), 101 states have call predecessors, (383), 101 states have return successors, (383), 369 states have call predecessors, (383), 383 states have call successors, (383) [2024-11-27 23:46:28,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 3862 states and 4301 transitions. [2024-11-27 23:46:28,091 INFO L78 Accepts]: Start accepts. Automaton has 3862 states and 4301 transitions. Word has length 476 [2024-11-27 23:46:28,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:46:28,092 INFO L471 AbstractCegarLoop]: Abstraction has 3862 states and 4301 transitions. [2024-11-27 23:46:28,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 6.293103448275862) internal successors, (365), 58 states have internal predecessors, (365), 19 states have call successors, (99), 19 states have call predecessors, (99), 19 states have return successors, (99), 19 states have call predecessors, (99), 19 states have call successors, (99) [2024-11-27 23:46:28,092 INFO L276 IsEmpty]: Start isEmpty. Operand 3862 states and 4301 transitions. [2024-11-27 23:46:28,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2024-11-27 23:46:28,097 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:46:28,097 INFO L218 NwaCegarLoop]: trace histogram [45, 45, 45, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:46:28,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Forceful destruction successful, exit code 0 [2024-11-27 23:46:28,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78,70 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:46:28,298 INFO L396 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:46:28,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:46:28,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1343941472, now seen corresponding path program 4 times [2024-11-27 23:46:28,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:46:28,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791014707] [2024-11-27 23:46:28,299 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 23:46:28,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:46:28,334 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 23:46:28,334 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:46:31,694 INFO L134 CoverageAnalysis]: Checked inductivity of 5116 backedges. 0 proven. 1156 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked. [2024-11-27 23:46:31,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:46:31,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791014707] [2024-11-27 23:46:31,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791014707] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:46:31,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741836172] [2024-11-27 23:46:31,694 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 23:46:31,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:46:31,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:46:31,696 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:46:31,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Waiting until timeout for monitored process [2024-11-27 23:46:31,861 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 23:46:31,861 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:46:31,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-27 23:46:31,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:46:32,673 INFO L134 CoverageAnalysis]: Checked inductivity of 5116 backedges. 0 proven. 4972 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:46:32,673 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:46:34,379 INFO L134 CoverageAnalysis]: Checked inductivity of 5116 backedges. 0 proven. 1156 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked. [2024-11-27 23:46:34,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1741836172] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:46:34,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:46:34,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 39, 40] total 63 [2024-11-27 23:46:34,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734209512] [2024-11-27 23:46:34,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:46:34,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-27 23:46:34,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:46:34,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-27 23:46:34,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=822, Invalid=3084, Unknown=0, NotChecked=0, Total=3906 [2024-11-27 23:46:34,382 INFO L87 Difference]: Start difference. First operand 3862 states and 4301 transitions. Second operand has 63 states, 63 states have (on average 6.111111111111111) internal successors, (385), 63 states have internal predecessors, (385), 19 states have call successors, (95), 19 states have call predecessors, (95), 19 states have return successors, (95), 19 states have call predecessors, (95), 19 states have call successors, (95) [2024-11-27 23:46:39,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:46:39,071 INFO L93 Difference]: Finished difference Result 4786 states and 5320 transitions. [2024-11-27 23:46:39,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-11-27 23:46:39,072 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 63 states have (on average 6.111111111111111) internal successors, (385), 63 states have internal predecessors, (385), 19 states have call successors, (95), 19 states have call predecessors, (95), 19 states have return successors, (95), 19 states have call predecessors, (95), 19 states have call successors, (95) Word has length 476 [2024-11-27 23:46:39,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:46:39,077 INFO L225 Difference]: With dead ends: 4786 [2024-11-27 23:46:39,077 INFO L226 Difference]: Without dead ends: 4778 [2024-11-27 23:46:39,079 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1036 GetRequests, 912 SyntacticMatches, 35 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4100 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=1669, Invalid=6521, Unknown=0, NotChecked=0, Total=8190 [2024-11-27 23:46:39,079 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 261 mSDsluCounter, 931 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:46:39,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 982 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:46:39,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4778 states. [2024-11-27 23:46:41,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4778 to 3764. [2024-11-27 23:46:41,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3764 states, 3284 states have (on average 1.047807551766139) internal successors, (3441), 3303 states have internal predecessors, (3441), 373 states have call successors, (373), 101 states have call predecessors, (373), 101 states have return successors, (373), 359 states have call predecessors, (373), 373 states have call successors, (373) [2024-11-27 23:46:41,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3764 states to 3764 states and 4187 transitions. [2024-11-27 23:46:41,237 INFO L78 Accepts]: Start accepts. Automaton has 3764 states and 4187 transitions. Word has length 476 [2024-11-27 23:46:41,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:46:41,238 INFO L471 AbstractCegarLoop]: Abstraction has 3764 states and 4187 transitions. [2024-11-27 23:46:41,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 6.111111111111111) internal successors, (385), 63 states have internal predecessors, (385), 19 states have call successors, (95), 19 states have call predecessors, (95), 19 states have return successors, (95), 19 states have call predecessors, (95), 19 states have call successors, (95) [2024-11-27 23:46:41,238 INFO L276 IsEmpty]: Start isEmpty. Operand 3764 states and 4187 transitions. [2024-11-27 23:46:41,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 497 [2024-11-27 23:46:41,243 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:46:41,243 INFO L218 NwaCegarLoop]: trace histogram [57, 57, 57, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 1, 1, 1] [2024-11-27 23:46:41,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Ended with exit code 0 [2024-11-27 23:46:41,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79,71 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:46:41,444 INFO L396 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:46:41,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:46:41,444 INFO L85 PathProgramCache]: Analyzing trace with hash -2120648055, now seen corresponding path program 3 times [2024-11-27 23:46:41,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:46:41,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257123494] [2024-11-27 23:46:41,444 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:46:41,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:46:41,521 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 28 check-sat command(s) [2024-11-27 23:46:41,521 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:46:42,327 INFO L134 CoverageAnalysis]: Checked inductivity of 8778 backedges. 0 proven. 2394 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-27 23:46:42,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:46:42,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257123494] [2024-11-27 23:46:42,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257123494] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:46:42,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644906923] [2024-11-27 23:46:42,327 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:46:42,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:46:42,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:46:42,329 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:46:42,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Waiting until timeout for monitored process [2024-11-27 23:46:42,395 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-27 23:46:42,395 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:46:42,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 23:46:42,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:46:42,967 INFO L134 CoverageAnalysis]: Checked inductivity of 8778 backedges. 168 proven. 90 refuted. 0 times theorem prover too weak. 8520 trivial. 0 not checked. [2024-11-27 23:46:42,967 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:46:43,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [644906923] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:46:43,092 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:46:43,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 6] total 25 [2024-11-27 23:46:43,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162462616] [2024-11-27 23:46:43,093 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:46:43,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-27 23:46:43,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:46:43,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-27 23:46:43,095 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=265, Invalid=491, Unknown=0, NotChecked=0, Total=756 [2024-11-27 23:46:43,095 INFO L87 Difference]: Start difference. First operand 3764 states and 4187 transitions. Second operand has 26 states, 25 states have (on average 9.36) internal successors, (234), 26 states have internal predecessors, (234), 20 states have call successors, (60), 1 states have call predecessors, (60), 2 states have return successors, (61), 21 states have call predecessors, (61), 20 states have call successors, (61) [2024-11-27 23:46:50,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:46:50,380 INFO L93 Difference]: Finished difference Result 6392 states and 7210 transitions. [2024-11-27 23:46:50,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-27 23:46:50,381 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 9.36) internal successors, (234), 26 states have internal predecessors, (234), 20 states have call successors, (60), 1 states have call predecessors, (60), 2 states have return successors, (61), 21 states have call predecessors, (61), 20 states have call successors, (61) Word has length 496 [2024-11-27 23:46:50,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:46:50,389 INFO L225 Difference]: With dead ends: 6392 [2024-11-27 23:46:50,389 INFO L226 Difference]: Without dead ends: 6391 [2024-11-27 23:46:50,390 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 563 GetRequests, 495 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1105 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1525, Invalid=3305, Unknown=0, NotChecked=0, Total=4830 [2024-11-27 23:46:50,391 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 2733 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 798 mSolverCounterSat, 406 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2735 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 1204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 406 IncrementalHoareTripleChecker+Valid, 798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:46:50,391 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2735 Valid, 653 Invalid, 1204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [406 Valid, 798 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-27 23:46:50,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6391 states. [2024-11-27 23:46:52,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6391 to 3763. [2024-11-27 23:46:52,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3763 states, 3284 states have (on average 1.0465895249695494) internal successors, (3437), 3302 states have internal predecessors, (3437), 373 states have call successors, (373), 101 states have call predecessors, (373), 101 states have return successors, (373), 359 states have call predecessors, (373), 373 states have call successors, (373) [2024-11-27 23:46:52,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3763 states to 3763 states and 4183 transitions. [2024-11-27 23:46:52,559 INFO L78 Accepts]: Start accepts. Automaton has 3763 states and 4183 transitions. Word has length 496 [2024-11-27 23:46:52,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:46:52,559 INFO L471 AbstractCegarLoop]: Abstraction has 3763 states and 4183 transitions. [2024-11-27 23:46:52,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 9.36) internal successors, (234), 26 states have internal predecessors, (234), 20 states have call successors, (60), 1 states have call predecessors, (60), 2 states have return successors, (61), 21 states have call predecessors, (61), 20 states have call successors, (61) [2024-11-27 23:46:52,559 INFO L276 IsEmpty]: Start isEmpty. Operand 3763 states and 4183 transitions. [2024-11-27 23:46:52,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2024-11-27 23:46:52,565 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:46:52,565 INFO L218 NwaCegarLoop]: trace histogram [46, 46, 46, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:46:52,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Ended with exit code 0 [2024-11-27 23:46:52,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,72 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:46:52,766 INFO L396 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:46:52,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:46:52,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1454783781, now seen corresponding path program 5 times [2024-11-27 23:46:52,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:46:52,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822499740] [2024-11-27 23:46:52,767 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 23:46:52,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:46:53,011 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2024-11-27 23:46:53,012 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:46:56,251 INFO L134 CoverageAnalysis]: Checked inductivity of 5538 backedges. 840 proven. 554 refuted. 0 times theorem prover too weak. 4144 trivial. 0 not checked. [2024-11-27 23:46:56,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:46:56,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822499740] [2024-11-27 23:46:56,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822499740] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:46:56,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443919248] [2024-11-27 23:46:56,251 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 23:46:56,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:46:56,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:46:56,254 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:46:56,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Waiting until timeout for monitored process [2024-11-27 23:47:01,819 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2024-11-27 23:47:01,819 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:47:01,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 871 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-27 23:47:01,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:47:04,439 INFO L134 CoverageAnalysis]: Checked inductivity of 5538 backedges. 0 proven. 5398 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-27 23:47:04,439 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:47:06,927 INFO L134 CoverageAnalysis]: Checked inductivity of 5538 backedges. 0 proven. 1398 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-27 23:47:06,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1443919248] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:47:06,927 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:47:06,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 41, 42] total 78 [2024-11-27 23:47:06,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053324347] [2024-11-27 23:47:06,928 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:47:06,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2024-11-27 23:47:06,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:47:06,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2024-11-27 23:47:06,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=709, Invalid=5297, Unknown=0, NotChecked=0, Total=6006 [2024-11-27 23:47:06,930 INFO L87 Difference]: Start difference. First operand 3763 states and 4183 transitions. Second operand has 78 states, 78 states have (on average 7.67948717948718) internal successors, (599), 78 states have internal predecessors, (599), 37 states have call successors, (138), 20 states have call predecessors, (138), 20 states have return successors, (138), 37 states have call predecessors, (138), 37 states have call successors, (138) [2024-11-27 23:47:29,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:47:29,013 INFO L93 Difference]: Finished difference Result 5679 states and 6313 transitions. [2024-11-27 23:47:29,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 277 states. [2024-11-27 23:47:29,013 INFO L78 Accepts]: Start accepts. Automaton has has 78 states, 78 states have (on average 7.67948717948718) internal successors, (599), 78 states have internal predecessors, (599), 37 states have call successors, (138), 20 states have call predecessors, (138), 20 states have return successors, (138), 37 states have call predecessors, (138), 37 states have call successors, (138) Word has length 502 [2024-11-27 23:47:29,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:47:29,020 INFO L225 Difference]: With dead ends: 5679 [2024-11-27 23:47:29,020 INFO L226 Difference]: Without dead ends: 4348 [2024-11-27 23:47:29,027 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1295 GetRequests, 924 SyntacticMatches, 42 SemanticMatches, 329 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40552 ImplicationChecksByTransitivity, 19.9s TimeCoverageRelationStatistics Valid=15644, Invalid=93586, Unknown=0, NotChecked=0, Total=109230 [2024-11-27 23:47:29,027 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 4889 mSDsluCounter, 1260 mSDsCounter, 0 mSdLazyCounter, 1762 mSolverCounterSat, 896 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4892 SdHoareTripleChecker+Valid, 1320 SdHoareTripleChecker+Invalid, 2658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 896 IncrementalHoareTripleChecker+Valid, 1762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:47:29,027 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4892 Valid, 1320 Invalid, 2658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [896 Valid, 1762 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-27 23:47:29,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4348 states. [2024-11-27 23:47:31,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4348 to 3648. [2024-11-27 23:47:31,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3648 states, 3181 states have (on average 1.041810751336058) internal successors, (3314), 3199 states have internal predecessors, (3314), 351 states have call successors, (351), 111 states have call predecessors, (351), 111 states have return successors, (351), 337 states have call predecessors, (351), 351 states have call successors, (351) [2024-11-27 23:47:31,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3648 states to 3648 states and 4016 transitions. [2024-11-27 23:47:31,556 INFO L78 Accepts]: Start accepts. Automaton has 3648 states and 4016 transitions. Word has length 502 [2024-11-27 23:47:31,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:47:31,556 INFO L471 AbstractCegarLoop]: Abstraction has 3648 states and 4016 transitions. [2024-11-27 23:47:31,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 7.67948717948718) internal successors, (599), 78 states have internal predecessors, (599), 37 states have call successors, (138), 20 states have call predecessors, (138), 20 states have return successors, (138), 37 states have call predecessors, (138), 37 states have call successors, (138) [2024-11-27 23:47:31,557 INFO L276 IsEmpty]: Start isEmpty. Operand 3648 states and 4016 transitions. [2024-11-27 23:47:31,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2024-11-27 23:47:31,562 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:47:31,562 INFO L218 NwaCegarLoop]: trace histogram [45, 45, 45, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-27 23:47:31,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Ended with exit code 0 [2024-11-27 23:47:31,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,73 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:47:31,763 INFO L396 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:47:31,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:47:31,763 INFO L85 PathProgramCache]: Analyzing trace with hash 818605786, now seen corresponding path program 5 times [2024-11-27 23:47:31,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:47:31,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431285438] [2024-11-27 23:47:31,763 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 23:47:31,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:47:32,079 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2024-11-27 23:47:32,079 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:47:35,732 INFO L134 CoverageAnalysis]: Checked inductivity of 5490 backedges. 829 proven. 643 refuted. 0 times theorem prover too weak. 4018 trivial. 0 not checked. [2024-11-27 23:47:35,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:47:35,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431285438] [2024-11-27 23:47:35,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431285438] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:47:35,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825532443] [2024-11-27 23:47:35,732 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 23:47:35,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:47:35,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:47:35,734 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:47:35,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Waiting until timeout for monitored process [2024-11-27 23:47:40,482 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2024-11-27 23:47:40,482 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:47:40,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 890 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-27 23:47:40,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:47:42,932 INFO L134 CoverageAnalysis]: Checked inductivity of 5490 backedges. 0 proven. 5358 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-27 23:47:42,933 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:47:45,016 INFO L134 CoverageAnalysis]: Checked inductivity of 5490 backedges. 0 proven. 1530 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked. [2024-11-27 23:47:45,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825532443] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:47:45,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:47:45,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 41, 42] total 77 [2024-11-27 23:47:45,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628027281] [2024-11-27 23:47:45,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:47:45,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2024-11-27 23:47:45,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:47:45,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2024-11-27 23:47:45,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=711, Invalid=5141, Unknown=0, NotChecked=0, Total=5852 [2024-11-27 23:47:45,018 INFO L87 Difference]: Start difference. First operand 3648 states and 4016 transitions. Second operand has 77 states, 77 states have (on average 7.87012987012987) internal successors, (606), 77 states have internal predecessors, (606), 34 states have call successors, (131), 20 states have call predecessors, (131), 20 states have return successors, (131), 34 states have call predecessors, (131), 34 states have call successors, (131) [2024-11-27 23:48:03,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:48:03,266 INFO L93 Difference]: Finished difference Result 5365 states and 5914 transitions. [2024-11-27 23:48:03,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2024-11-27 23:48:03,267 INFO L78 Accepts]: Start accepts. Automaton has has 77 states, 77 states have (on average 7.87012987012987) internal successors, (606), 77 states have internal predecessors, (606), 34 states have call successors, (131), 20 states have call predecessors, (131), 20 states have return successors, (131), 34 states have call predecessors, (131), 34 states have call successors, (131) Word has length 513 [2024-11-27 23:48:03,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:48:03,272 INFO L225 Difference]: With dead ends: 5365 [2024-11-27 23:48:03,272 INFO L226 Difference]: Without dead ends: 4638 [2024-11-27 23:48:03,282 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1308 GetRequests, 948 SyntacticMatches, 41 SemanticMatches, 319 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38347 ImplicationChecksByTransitivity, 15.7s TimeCoverageRelationStatistics Valid=13169, Invalid=89551, Unknown=0, NotChecked=0, Total=102720 [2024-11-27 23:48:03,282 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 3395 mSDsluCounter, 1814 mSDsCounter, 0 mSdLazyCounter, 2719 mSolverCounterSat, 535 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3398 SdHoareTripleChecker+Valid, 1894 SdHoareTripleChecker+Invalid, 3254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 535 IncrementalHoareTripleChecker+Valid, 2719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-27 23:48:03,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3398 Valid, 1894 Invalid, 3254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [535 Valid, 2719 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-27 23:48:03,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4638 states. [2024-11-27 23:48:05,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4638 to 3344. [2024-11-27 23:48:05,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3344 states, 2921 states have (on average 1.0417665183156453) internal successors, (3043), 2934 states have internal predecessors, (3043), 321 states have call successors, (321), 97 states have call predecessors, (321), 97 states have return successors, (321), 312 states have call predecessors, (321), 321 states have call successors, (321) [2024-11-27 23:48:05,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3344 states to 3344 states and 3685 transitions. [2024-11-27 23:48:05,447 INFO L78 Accepts]: Start accepts. Automaton has 3344 states and 3685 transitions. Word has length 513 [2024-11-27 23:48:05,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:48:05,448 INFO L471 AbstractCegarLoop]: Abstraction has 3344 states and 3685 transitions. [2024-11-27 23:48:05,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 7.87012987012987) internal successors, (606), 77 states have internal predecessors, (606), 34 states have call successors, (131), 20 states have call predecessors, (131), 20 states have return successors, (131), 34 states have call predecessors, (131), 34 states have call successors, (131) [2024-11-27 23:48:05,448 INFO L276 IsEmpty]: Start isEmpty. Operand 3344 states and 3685 transitions. [2024-11-27 23:48:05,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2024-11-27 23:48:05,456 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:48:05,456 INFO L218 NwaCegarLoop]: trace histogram [59, 59, 59, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:48:05,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Ended with exit code 0 [2024-11-27 23:48:05,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,74 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:48:05,657 INFO L396 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:48:05,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:48:05,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1212573024, now seen corresponding path program 3 times [2024-11-27 23:48:05,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:48:05,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994487934] [2024-11-27 23:48:05,658 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:48:05,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:48:05,841 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 30 check-sat command(s) [2024-11-27 23:48:05,841 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 23:48:05,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [769548354] [2024-11-27 23:48:05,843 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:48:05,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:48:05,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:48:05,846 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:48:05,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Waiting until timeout for monitored process [2024-11-27 23:48:05,933 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-27 23:48:05,933 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:48:05,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-27 23:48:05,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:48:07,561 INFO L134 CoverageAnalysis]: Checked inductivity of 9170 backedges. 388 proven. 4 refuted. 0 times theorem prover too weak. 8778 trivial. 0 not checked. [2024-11-27 23:48:07,561 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:48:09,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:48:09,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994487934] [2024-11-27 23:48:09,841 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:48:09,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769548354] [2024-11-27 23:48:09,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769548354] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:48:09,842 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:48:09,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-27 23:48:09,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747124754] [2024-11-27 23:48:09,842 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:48:09,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 23:48:09,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:48:09,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 23:48:09,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-11-27 23:48:09,843 INFO L87 Difference]: Start difference. First operand 3344 states and 3685 transitions. Second operand has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-27 23:48:12,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:48:12,485 INFO L93 Difference]: Finished difference Result 3460 states and 3806 transitions. [2024-11-27 23:48:12,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 23:48:12,485 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 527 [2024-11-27 23:48:12,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:48:12,490 INFO L225 Difference]: With dead ends: 3460 [2024-11-27 23:48:12,490 INFO L226 Difference]: Without dead ends: 3459 [2024-11-27 23:48:12,491 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 546 GetRequests, 528 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=92, Invalid=288, Unknown=0, NotChecked=0, Total=380 [2024-11-27 23:48:12,491 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 58 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:48:12,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 249 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:48:12,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3459 states. [2024-11-27 23:48:14,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3459 to 3344. [2024-11-27 23:48:14,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3344 states, 2921 states have (on average 1.0417665183156453) internal successors, (3043), 2934 states have internal predecessors, (3043), 321 states have call successors, (321), 97 states have call predecessors, (321), 97 states have return successors, (321), 312 states have call predecessors, (321), 321 states have call successors, (321) [2024-11-27 23:48:14,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3344 states to 3344 states and 3685 transitions. [2024-11-27 23:48:14,526 INFO L78 Accepts]: Start accepts. Automaton has 3344 states and 3685 transitions. Word has length 527 [2024-11-27 23:48:14,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:48:14,526 INFO L471 AbstractCegarLoop]: Abstraction has 3344 states and 3685 transitions. [2024-11-27 23:48:14,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-27 23:48:14,526 INFO L276 IsEmpty]: Start isEmpty. Operand 3344 states and 3685 transitions. [2024-11-27 23:48:14,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2024-11-27 23:48:14,530 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:48:14,531 INFO L218 NwaCegarLoop]: trace histogram [58, 58, 58, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 3, 3, 3, 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] [2024-11-27 23:48:14,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Ended with exit code 0 [2024-11-27 23:48:14,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,75 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:48:14,731 INFO L396 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:48:14,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:48:14,732 INFO L85 PathProgramCache]: Analyzing trace with hash -500579615, now seen corresponding path program 6 times [2024-11-27 23:48:14,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:48:14,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672711850] [2024-11-27 23:48:14,732 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 23:48:14,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:48:14,828 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 29 check-sat command(s) [2024-11-27 23:48:14,828 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 23:48:14,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [978273628] [2024-11-27 23:48:14,831 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 23:48:14,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:48:14,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:48:14,834 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:48:14,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (76)] Waiting until timeout for monitored process [2024-11-27 23:48:14,957 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-27 23:48:14,957 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:48:14,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-27 23:48:14,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:48:16,981 INFO L134 CoverageAnalysis]: Checked inductivity of 8712 backedges. 731 proven. 55 refuted. 0 times theorem prover too weak. 7926 trivial. 0 not checked. [2024-11-27 23:48:16,981 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:48:20,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:48:20,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672711850] [2024-11-27 23:48:20,751 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:48:20,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978273628] [2024-11-27 23:48:20,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978273628] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:48:20,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:48:20,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-27 23:48:20,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662093717] [2024-11-27 23:48:20,751 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 23:48:20,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 23:48:20,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:48:20,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 23:48:20,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2024-11-27 23:48:20,753 INFO L87 Difference]: Start difference. First operand 3344 states and 3685 transitions. Second operand has 14 states, 13 states have (on average 6.230769230769231) internal successors, (81), 14 states have internal predecessors, (81), 4 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-27 23:48:24,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:48:24,364 INFO L93 Difference]: Finished difference Result 3771 states and 4163 transitions. [2024-11-27 23:48:24,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 23:48:24,365 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.230769230769231) internal successors, (81), 14 states have internal predecessors, (81), 4 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 4 states have call successors, (13) Word has length 527 [2024-11-27 23:48:24,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:48:24,369 INFO L225 Difference]: With dead ends: 3771 [2024-11-27 23:48:24,369 INFO L226 Difference]: Without dead ends: 3770 [2024-11-27 23:48:24,370 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 577 GetRequests, 547 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=196, Invalid=796, Unknown=0, NotChecked=0, Total=992 [2024-11-27 23:48:24,370 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 73 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 775 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:48:24,371 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 409 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 775 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 23:48:24,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3770 states. [2024-11-27 23:48:26,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3770 to 3344. [2024-11-27 23:48:26,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3344 states, 2921 states have (on average 1.0417665183156453) internal successors, (3043), 2934 states have internal predecessors, (3043), 321 states have call successors, (321), 97 states have call predecessors, (321), 97 states have return successors, (321), 312 states have call predecessors, (321), 321 states have call successors, (321) [2024-11-27 23:48:26,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3344 states to 3344 states and 3685 transitions. [2024-11-27 23:48:26,441 INFO L78 Accepts]: Start accepts. Automaton has 3344 states and 3685 transitions. Word has length 527 [2024-11-27 23:48:26,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:48:26,441 INFO L471 AbstractCegarLoop]: Abstraction has 3344 states and 3685 transitions. [2024-11-27 23:48:26,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.230769230769231) internal successors, (81), 14 states have internal predecessors, (81), 4 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-27 23:48:26,441 INFO L276 IsEmpty]: Start isEmpty. Operand 3344 states and 3685 transitions. [2024-11-27 23:48:26,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2024-11-27 23:48:26,447 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:48:26,447 INFO L218 NwaCegarLoop]: trace histogram [59, 59, 59, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:48:26,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (76)] Ended with exit code 0 [2024-11-27 23:48:26,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84,76 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:48:26,647 INFO L396 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-27 23:48:26,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:48:26,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1064941790, now seen corresponding path program 1 times [2024-11-27 23:48:26,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:48:26,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395123141] [2024-11-27 23:48:26,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:48:26,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:48:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:48:26,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2140231212] [2024-11-27 23:48:26,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:48:26,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:48:26,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:48:26,706 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:48:26,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (77)] Waiting until timeout for monitored process [2024-11-27 23:48:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:48:26,874 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:48:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:48:27,117 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 23:48:27,117 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 23:48:27,118 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 28 remaining) [2024-11-27 23:48:27,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 28 remaining) [2024-11-27 23:48:27,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 28 remaining) [2024-11-27 23:48:27,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 28 remaining) [2024-11-27 23:48:27,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 28 remaining) [2024-11-27 23:48:27,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 28 remaining) [2024-11-27 23:48:27,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 28 remaining) [2024-11-27 23:48:27,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 28 remaining) [2024-11-27 23:48:27,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 28 remaining) [2024-11-27 23:48:27,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 28 remaining) [2024-11-27 23:48:27,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 28 remaining) [2024-11-27 23:48:27,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 28 remaining) [2024-11-27 23:48:27,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 28 remaining) [2024-11-27 23:48:27,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 28 remaining) [2024-11-27 23:48:27,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 28 remaining) [2024-11-27 23:48:27,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 28 remaining) [2024-11-27 23:48:27,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 28 remaining) [2024-11-27 23:48:27,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 28 remaining) [2024-11-27 23:48:27,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 28 remaining) [2024-11-27 23:48:27,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 28 remaining) [2024-11-27 23:48:27,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 28 remaining) [2024-11-27 23:48:27,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 28 remaining) [2024-11-27 23:48:27,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 28 remaining) [2024-11-27 23:48:27,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 28 remaining) [2024-11-27 23:48:27,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 28 remaining) [2024-11-27 23:48:27,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 28 remaining) [2024-11-27 23:48:27,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 28 remaining) [2024-11-27 23:48:27,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 28 remaining) [2024-11-27 23:48:27,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (77)] Ended with exit code 0 [2024-11-27 23:48:27,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85,77 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:48:27,325 INFO L422 BasicCegarLoop]: Path program histogram: [9, 6, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:48:27,494 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 23:48:27,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:48:27 BoogieIcfgContainer [2024-11-27 23:48:27,501 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 23:48:27,501 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 23:48:27,501 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 23:48:27,502 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 23:48:27,502 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:38:32" (3/4) ... [2024-11-27 23:48:27,503 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-27 23:48:27,664 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 220. [2024-11-27 23:48:27,886 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 23:48:27,886 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 23:48:27,886 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 23:48:27,887 INFO L158 Benchmark]: Toolchain (without parser) took 595993.60ms. Allocated memory was 167.8MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 131.3MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 137.2MB. Max. memory is 16.1GB. [2024-11-27 23:48:27,887 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:48:27,887 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.37ms. Allocated memory is still 167.8MB. Free memory was 131.3MB in the beginning and 120.1MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:48:27,887 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.29ms. Allocated memory is still 167.8MB. Free memory was 119.8MB in the beginning and 118.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:48:27,890 INFO L158 Benchmark]: Boogie Preprocessor took 74.90ms. Allocated memory is still 167.8MB. Free memory was 118.5MB in the beginning and 117.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:48:27,891 INFO L158 Benchmark]: RCFGBuilder took 579.57ms. Allocated memory is still 167.8MB. Free memory was 117.1MB in the beginning and 101.2MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 23:48:27,891 INFO L158 Benchmark]: TraceAbstraction took 594558.56ms. Allocated memory was 167.8MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 100.5MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 86.8MB. Max. memory is 16.1GB. [2024-11-27 23:48:27,891 INFO L158 Benchmark]: Witness Printer took 384.92ms. Allocated memory is still 2.3GB. Free memory was 2.2GB in the beginning and 2.1GB in the end (delta: 21.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 23:48:27,892 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.37ms. Allocated memory is still 167.8MB. Free memory was 131.3MB in the beginning and 120.1MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.29ms. Allocated memory is still 167.8MB. Free memory was 119.8MB in the beginning and 118.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 74.90ms. Allocated memory is still 167.8MB. Free memory was 118.5MB in the beginning and 117.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 579.57ms. Allocated memory is still 167.8MB. Free memory was 117.1MB in the beginning and 101.2MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 594558.56ms. Allocated memory was 167.8MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 100.5MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 86.8MB. Max. memory is 16.1GB. * Witness Printer took 384.92ms. Allocated memory is still 2.3GB. Free memory was 2.2GB in the beginning and 2.1GB in the end (delta: 21.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * 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 - CounterExampleResult [Line: 58]: integer overflow possible integer overflow possible We found a FailurePath: [L22] int counter = 0; VAL [counter=0] [L24] int A, B; [L25] int r, d, p, q; [L26] A = __VERIFIER_nondet_int() [L27] B = 1 [L29] r = A [L30] d = B [L31] p = 1 [L32] q = 0 VAL [A=131072, B=1, counter=0, d=1, p=1, q=0, r=131072] [L34] EXPR counter++ VAL [A=131072, B=1, counter=1, d=1, p=1, q=0, r=131072] [L34] COND TRUE counter++<20 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L35] RET __VERIFIER_assert(q == 0) VAL [A=131072, B=1, counter=1, d=1, p=1, q=0, r=131072] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L36] RET __VERIFIER_assert(r == A) VAL [A=131072, B=1, counter=1, d=1, p=1, q=0, r=131072] [L37] EXPR B * p VAL [A=131072, B=1, counter=1, d=1, p=1, q=0, r=131072] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=131072, B=1, counter=1, d=1, p=1, q=0, r=131072] [L38] COND FALSE !(!(r >= d)) VAL [A=131072, B=1, counter=1, d=1, p=1, q=0, r=131072] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=131072, B=1, counter=1, d=2, p=1, q=0, r=131072] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=131072, B=1, counter=1, d=2, p=2, q=0, r=131072] [L34] EXPR counter++ VAL [A=131072, B=1, counter=2, d=2, p=2, q=0, r=131072] [L34] COND TRUE counter++<20 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L35] RET __VERIFIER_assert(q == 0) VAL [A=131072, B=1, counter=2, d=2, p=2, q=0, r=131072] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L36] RET __VERIFIER_assert(r == A) VAL [A=131072, B=1, counter=2, d=2, p=2, q=0, r=131072] [L37] EXPR B * p VAL [A=131072, B=1, counter=2, d=2, p=2, q=0, r=131072] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=131072, B=1, counter=2, d=2, p=2, q=0, r=131072] [L38] COND FALSE !(!(r >= d)) VAL [A=131072, B=1, counter=2, d=2, p=2, q=0, r=131072] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=131072, B=1, counter=2, d=4, p=2, q=0, r=131072] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=131072, B=1, counter=2, d=4, p=4, q=0, r=131072] [L34] EXPR counter++ VAL [A=131072, B=1, counter=3, d=4, p=4, q=0, r=131072] [L34] COND TRUE counter++<20 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=3] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=3] [L35] RET __VERIFIER_assert(q == 0) VAL [A=131072, B=1, counter=3, d=4, p=4, q=0, r=131072] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=3] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=3] [L36] RET __VERIFIER_assert(r == A) VAL [A=131072, B=1, counter=3, d=4, p=4, q=0, r=131072] [L37] EXPR B * p VAL [A=131072, B=1, counter=3, d=4, p=4, q=0, r=131072] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=3] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=3] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=131072, B=1, counter=3, d=4, p=4, q=0, r=131072] [L38] COND FALSE !(!(r >= d)) VAL [A=131072, B=1, counter=3, d=4, p=4, q=0, r=131072] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=131072, B=1, counter=3, d=8, p=4, q=0, r=131072] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=131072, B=1, counter=3, d=8, p=8, q=0, r=131072] [L34] EXPR counter++ VAL [A=131072, B=1, counter=4, d=8, p=8, q=0, r=131072] [L34] COND TRUE counter++<20 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=4] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=4] [L35] RET __VERIFIER_assert(q == 0) VAL [A=131072, B=1, counter=4, d=8, p=8, q=0, r=131072] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=4] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=4] [L36] RET __VERIFIER_assert(r == A) VAL [A=131072, B=1, counter=4, d=8, p=8, q=0, r=131072] [L37] EXPR B * p VAL [A=131072, B=1, counter=4, d=8, p=8, q=0, r=131072] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=4] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=4] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=131072, B=1, counter=4, d=8, p=8, q=0, r=131072] [L38] COND FALSE !(!(r >= d)) VAL [A=131072, B=1, counter=4, d=8, p=8, q=0, r=131072] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=131072, B=1, counter=4, d=16, p=8, q=0, r=131072] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=131072, B=1, counter=4, d=16, p=16, q=0, r=131072] [L34] EXPR counter++ VAL [A=131072, B=1, counter=5, d=16, p=16, q=0, r=131072] [L34] COND TRUE counter++<20 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=5] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=5] [L35] RET __VERIFIER_assert(q == 0) VAL [A=131072, B=1, counter=5, d=16, p=16, q=0, r=131072] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=5] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=5] [L36] RET __VERIFIER_assert(r == A) VAL [A=131072, B=1, counter=5, d=16, p=16, q=0, r=131072] [L37] EXPR B * p VAL [A=131072, B=1, counter=5, d=16, p=16, q=0, r=131072] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=5] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=5] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=131072, B=1, counter=5, d=16, p=16, q=0, r=131072] [L38] COND FALSE !(!(r >= d)) VAL [A=131072, B=1, counter=5, d=16, p=16, q=0, r=131072] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=131072, B=1, counter=5, d=32, p=16, q=0, r=131072] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=131072, B=1, counter=5, d=32, p=32, q=0, r=131072] [L34] EXPR counter++ VAL [A=131072, B=1, counter=6, d=32, p=32, q=0, r=131072] [L34] COND TRUE counter++<20 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=6] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=6] [L35] RET __VERIFIER_assert(q == 0) VAL [A=131072, B=1, counter=6, d=32, p=32, q=0, r=131072] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=6] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=6] [L36] RET __VERIFIER_assert(r == A) VAL [A=131072, B=1, counter=6, d=32, p=32, q=0, r=131072] [L37] EXPR B * p VAL [A=131072, B=1, counter=6, d=32, p=32, q=0, r=131072] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=6] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=6] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=131072, B=1, counter=6, d=32, p=32, q=0, r=131072] [L38] COND FALSE !(!(r >= d)) VAL [A=131072, B=1, counter=6, d=32, p=32, q=0, r=131072] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=131072, B=1, counter=6, d=64, p=32, q=0, r=131072] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=131072, B=1, counter=6, d=64, p=64, q=0, r=131072] [L34] EXPR counter++ VAL [A=131072, B=1, counter=7, d=64, p=64, q=0, r=131072] [L34] COND TRUE counter++<20 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=7] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=7] [L35] RET __VERIFIER_assert(q == 0) VAL [A=131072, B=1, counter=7, d=64, p=64, q=0, r=131072] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=7] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=7] [L36] RET __VERIFIER_assert(r == A) VAL [A=131072, B=1, counter=7, d=64, p=64, q=0, r=131072] [L37] EXPR B * p VAL [A=131072, B=1, counter=7, d=64, p=64, q=0, r=131072] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=7] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=7] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=131072, B=1, counter=7, d=64, p=64, q=0, r=131072] [L38] COND FALSE !(!(r >= d)) VAL [A=131072, B=1, counter=7, d=64, p=64, q=0, r=131072] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=131072, B=1, counter=7, d=128, p=64, q=0, r=131072] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=131072, B=1, counter=7, d=128, p=128, q=0, r=131072] [L34] EXPR counter++ VAL [A=131072, B=1, counter=8, d=128, p=128, q=0, r=131072] [L34] COND TRUE counter++<20 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=8] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=8] [L35] RET __VERIFIER_assert(q == 0) VAL [A=131072, B=1, counter=8, d=128, p=128, q=0, r=131072] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=8] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=8] [L36] RET __VERIFIER_assert(r == A) VAL [A=131072, B=1, counter=8, d=128, p=128, q=0, r=131072] [L37] EXPR B * p VAL [A=131072, B=1, counter=8, d=128, p=128, q=0, r=131072] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=8] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=8] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=131072, B=1, counter=8, d=128, p=128, q=0, r=131072] [L38] COND FALSE !(!(r >= d)) VAL [A=131072, B=1, counter=8, d=128, p=128, q=0, r=131072] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=131072, B=1, counter=8, d=256, p=128, q=0, r=131072] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=131072, B=1, counter=8, d=256, p=256, q=0, r=131072] [L34] EXPR counter++ VAL [A=131072, B=1, counter=9, d=256, p=256, q=0, r=131072] [L34] COND TRUE counter++<20 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=9] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=9] [L35] RET __VERIFIER_assert(q == 0) VAL [A=131072, B=1, counter=9, d=256, p=256, q=0, r=131072] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=9] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=9] [L36] RET __VERIFIER_assert(r == A) VAL [A=131072, B=1, counter=9, d=256, p=256, q=0, r=131072] [L37] EXPR B * p VAL [A=131072, B=1, counter=9, d=256, p=256, q=0, r=131072] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=9] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=9] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=131072, B=1, counter=9, d=256, p=256, q=0, r=131072] [L38] COND FALSE !(!(r >= d)) VAL [A=131072, B=1, counter=9, d=256, p=256, q=0, r=131072] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=131072, B=1, counter=9, d=512, p=256, q=0, r=131072] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=131072, B=1, counter=9, d=512, p=512, q=0, r=131072] [L34] EXPR counter++ VAL [A=131072, B=1, counter=10, d=512, p=512, q=0, r=131072] [L34] COND TRUE counter++<20 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=10] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=10] [L35] RET __VERIFIER_assert(q == 0) VAL [A=131072, B=1, counter=10, d=512, p=512, q=0, r=131072] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=10] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=10] [L36] RET __VERIFIER_assert(r == A) VAL [A=131072, B=1, counter=10, d=512, p=512, q=0, r=131072] [L37] EXPR B * p VAL [A=131072, B=1, counter=10, d=512, p=512, q=0, r=131072] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=10] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=10] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=131072, B=1, counter=10, d=512, p=512, q=0, r=131072] [L38] COND FALSE !(!(r >= d)) VAL [A=131072, B=1, counter=10, d=512, p=512, q=0, r=131072] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=131072, B=1, counter=10, d=1024, p=512, q=0, r=131072] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=131072, B=1, counter=10, d=1024, p=1024, q=0, r=131072] [L34] EXPR counter++ VAL [A=131072, B=1, counter=11, d=1024, p=1024, q=0, r=131072] [L34] COND TRUE counter++<20 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=11] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=11] [L35] RET __VERIFIER_assert(q == 0) VAL [A=131072, B=1, counter=11, d=1024, p=1024, q=0, r=131072] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=11] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=11] [L36] RET __VERIFIER_assert(r == A) VAL [A=131072, B=1, counter=11, d=1024, p=1024, q=0, r=131072] [L37] EXPR B * p VAL [A=131072, B=1, counter=11, d=1024, p=1024, q=0, r=131072] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=11] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=11] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=131072, B=1, counter=11, d=1024, p=1024, q=0, r=131072] [L38] COND FALSE !(!(r >= d)) VAL [A=131072, B=1, counter=11, d=1024, p=1024, q=0, r=131072] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=131072, B=1, counter=11, d=2048, p=1024, q=0, r=131072] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=131072, B=1, counter=11, d=2048, p=2048, q=0, r=131072] [L34] EXPR counter++ VAL [A=131072, B=1, counter=12, d=2048, p=2048, q=0, r=131072] [L34] COND TRUE counter++<20 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=12] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=12] [L35] RET __VERIFIER_assert(q == 0) VAL [A=131072, B=1, counter=12, d=2048, p=2048, q=0, r=131072] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=12] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=12] [L36] RET __VERIFIER_assert(r == A) VAL [A=131072, B=1, counter=12, d=2048, p=2048, q=0, r=131072] [L37] EXPR B * p VAL [A=131072, B=1, counter=12, d=2048, p=2048, q=0, r=131072] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=12] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=12] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=131072, B=1, counter=12, d=2048, p=2048, q=0, r=131072] [L38] COND FALSE !(!(r >= d)) VAL [A=131072, B=1, counter=12, d=2048, p=2048, q=0, r=131072] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=131072, B=1, counter=12, d=4096, p=2048, q=0, r=131072] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=131072, B=1, counter=12, d=4096, p=4096, q=0, r=131072] [L34] EXPR counter++ VAL [A=131072, B=1, counter=13, d=4096, p=4096, q=0, r=131072] [L34] COND TRUE counter++<20 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=13] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=13] [L35] RET __VERIFIER_assert(q == 0) VAL [A=131072, B=1, counter=13, d=4096, p=4096, q=0, r=131072] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=13] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=13] [L36] RET __VERIFIER_assert(r == A) VAL [A=131072, B=1, counter=13, d=4096, p=4096, q=0, r=131072] [L37] EXPR B * p VAL [A=131072, B=1, counter=13, d=4096, p=4096, q=0, r=131072] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=13] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=13] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=131072, B=1, counter=13, d=4096, p=4096, q=0, r=131072] [L38] COND FALSE !(!(r >= d)) VAL [A=131072, B=1, counter=13, d=4096, p=4096, q=0, r=131072] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=131072, B=1, counter=13, d=8192, p=4096, q=0, r=131072] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=131072, B=1, counter=13, d=8192, p=8192, q=0, r=131072] [L34] EXPR counter++ VAL [A=131072, B=1, counter=14, d=8192, p=8192, q=0, r=131072] [L34] COND TRUE counter++<20 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=14] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=14] [L35] RET __VERIFIER_assert(q == 0) VAL [A=131072, B=1, counter=14, d=8192, p=8192, q=0, r=131072] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=14] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=14] [L36] RET __VERIFIER_assert(r == A) VAL [A=131072, B=1, counter=14, d=8192, p=8192, q=0, r=131072] [L37] EXPR B * p VAL [A=131072, B=1, counter=14, d=8192, p=8192, q=0, r=131072] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=14] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=14] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=131072, B=1, counter=14, d=8192, p=8192, q=0, r=131072] [L38] COND FALSE !(!(r >= d)) VAL [A=131072, B=1, counter=14, d=8192, p=8192, q=0, r=131072] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=131072, B=1, counter=14, d=16384, p=8192, q=0, r=131072] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=131072, B=1, counter=14, d=16384, p=16384, q=0, r=131072] [L34] EXPR counter++ VAL [A=131072, B=1, counter=15, d=16384, p=16384, q=0, r=131072] [L34] COND TRUE counter++<20 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=15] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=15] [L35] RET __VERIFIER_assert(q == 0) VAL [A=131072, B=1, counter=15, d=16384, p=16384, q=0, r=131072] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=15] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=15] [L36] RET __VERIFIER_assert(r == A) VAL [A=131072, B=1, counter=15, d=16384, p=16384, q=0, r=131072] [L37] EXPR B * p VAL [A=131072, B=1, counter=15, d=16384, p=16384, q=0, r=131072] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=15] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=15] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=131072, B=1, counter=15, d=16384, p=16384, q=0, r=131072] [L38] COND FALSE !(!(r >= d)) VAL [A=131072, B=1, counter=15, d=16384, p=16384, q=0, r=131072] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=131072, B=1, counter=15, d=32768, p=16384, q=0, r=131072] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=131072, B=1, counter=15, d=32768, p=32768, q=0, r=131072] [L34] EXPR counter++ VAL [A=131072, B=1, counter=16, d=32768, p=32768, q=0, r=131072] [L34] COND TRUE counter++<20 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=16] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=16] [L35] RET __VERIFIER_assert(q == 0) VAL [A=131072, B=1, counter=16, d=32768, p=32768, q=0, r=131072] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=16] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=16] [L36] RET __VERIFIER_assert(r == A) VAL [A=131072, B=1, counter=16, d=32768, p=32768, q=0, r=131072] [L37] EXPR B * p VAL [A=131072, B=1, counter=16, d=32768, p=32768, q=0, r=131072] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=16] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=16] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=131072, B=1, counter=16, d=32768, p=32768, q=0, r=131072] [L38] COND FALSE !(!(r >= d)) VAL [A=131072, B=1, counter=16, d=32768, p=32768, q=0, r=131072] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=131072, B=1, counter=16, d=65536, p=32768, q=0, r=131072] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=131072, B=1, counter=16, d=65536, p=65536, q=0, r=131072] [L34] EXPR counter++ VAL [A=131072, B=1, counter=17, d=65536, p=65536, q=0, r=131072] [L34] COND TRUE counter++<20 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=17] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=17] [L35] RET __VERIFIER_assert(q == 0) VAL [A=131072, B=1, counter=17, d=65536, p=65536, q=0, r=131072] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=17] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=17] [L36] RET __VERIFIER_assert(r == A) VAL [A=131072, B=1, counter=17, d=65536, p=65536, q=0, r=131072] [L37] EXPR B * p VAL [A=131072, B=1, counter=17, d=65536, p=65536, q=0, r=131072] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=17] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=17] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=131072, B=1, counter=17, d=65536, p=65536, q=0, r=131072] [L38] COND FALSE !(!(r >= d)) VAL [A=131072, B=1, counter=17, d=65536, p=65536, q=0, r=131072] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=131072, B=1, counter=17, d=131072, p=65536, q=0, r=131072] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=131072, B=1, counter=17, d=131072, p=131072, q=0, r=131072] [L34] EXPR counter++ VAL [A=131072, B=1, counter=18, d=131072, p=131072, q=0, r=131072] [L34] COND TRUE counter++<20 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=18] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=18] [L35] RET __VERIFIER_assert(q == 0) VAL [A=131072, B=1, counter=18, d=131072, p=131072, q=0, r=131072] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=18] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=18] [L36] RET __VERIFIER_assert(r == A) VAL [A=131072, B=1, counter=18, d=131072, p=131072, q=0, r=131072] [L37] EXPR B * p VAL [A=131072, B=1, counter=18, d=131072, p=131072, q=0, r=131072] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=18] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=18] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=131072, B=1, counter=18, d=131072, p=131072, q=0, r=131072] [L38] COND FALSE !(!(r >= d)) VAL [A=131072, B=1, counter=18, d=131072, p=131072, q=0, r=131072] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=131072, B=1, counter=18, d=262144, p=131072, q=0, r=131072] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=131072, B=1, counter=18, d=262144, p=262144, q=0, r=131072] [L34] EXPR counter++ VAL [A=131072, B=1, counter=19, d=262144, p=262144, q=0, r=131072] [L34] COND TRUE counter++<20 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=19] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=19] [L35] RET __VERIFIER_assert(q == 0) VAL [A=131072, B=1, counter=19, d=262144, p=262144, q=0, r=131072] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=19] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=19] [L36] RET __VERIFIER_assert(r == A) VAL [A=131072, B=1, counter=19, d=262144, p=262144, q=0, r=131072] [L37] EXPR B * p VAL [A=131072, B=1, counter=19, d=262144, p=262144, q=0, r=131072] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=19] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=19] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=131072, B=1, counter=19, d=262144, p=262144, q=0, r=131072] [L38] COND TRUE !(r >= d) VAL [A=131072, B=1, counter=19, d=262144, p=262144, q=0, r=131072] [L44] EXPR counter++ VAL [A=131072, B=1, counter=20, d=262144, p=262144, q=0, r=131072] [L44] COND TRUE counter++<20 [L45] EXPR q*B VAL [A=131072, B=1, counter=20, d=262144, p=262144, q=0, r=131072] [L45] EXPR q*B + r VAL [A=131072, B=1, counter=20, d=262144, p=262144, q=0, r=131072] [L45] CALL __VERIFIER_assert(A == q*B + r) VAL [counter=20] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=20] [L45] RET __VERIFIER_assert(A == q*B + r) VAL [A=131072, B=1, counter=20, d=262144, p=262144, q=0, r=131072] [L46] EXPR B*p VAL [A=131072, B=1, counter=20, d=262144, p=262144, q=0, r=131072] [L46] CALL __VERIFIER_assert(d == B*p) VAL [counter=20] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=20] [L46] RET __VERIFIER_assert(d == B*p) VAL [A=131072, B=1, counter=20, d=262144, p=262144, q=0, r=131072] [L48] COND FALSE !(!(p != 1)) VAL [A=131072, B=1, counter=20, d=262144, p=262144, q=0, r=131072] [L50] EXPR d / 2 [L50] d = d / 2 VAL [A=131072, B=1, counter=20, d=131072, p=262144, q=0, r=131072] [L51] EXPR p / 2 [L51] p = p / 2 VAL [A=131072, B=1, counter=20, d=131072, p=131072, q=0, r=131072] [L52] COND TRUE r >= d VAL [A=131072, B=1, counter=20, d=131072, p=131072, q=0, r=131072] [L53] EXPR r - d [L53] r = r - d VAL [A=131072, B=1, counter=20, d=131072, p=131072, q=0, r=0] [L54] EXPR q + p [L54] q = q + p VAL [A=131072, B=1, counter=20, d=131072, p=131072, q=131072, r=0] [L44] EXPR counter++ VAL [A=131072, B=1, counter=21, d=131072, p=131072, q=131072, r=0] [L44] COND FALSE !(counter++<20) [L58] d*q VAL [A=131072, B=1, counter=21, p=131072, r=0] - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 37]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 37]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 50]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 50]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 58]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 58]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 58]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 82 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 594.3s, OverallIterations: 86, TraceHistogramMax: 59, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.2s, AutomataDifference: 246.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33071 SdHoareTripleChecker+Valid, 68.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32701 mSDsluCounter, 51055 SdHoareTripleChecker+Invalid, 60.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44928 mSDsCounter, 4807 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 63344 IncrementalHoareTripleChecker+Invalid, 68151 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4807 mSolverCounterUnsat, 6127 mSDtfsCounter, 63344 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25702 GetRequests, 22002 SyntacticMatches, 299 SemanticMatches, 3401 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148213 ImplicationChecksByTransitivity, 214.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3862occurred in iteration=77, InterpolantAutomatonStates: 2614, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 45.5s AutomataMinimizationTime, 85 MinimizatonAttempts, 25556 StatesRemovedByMinimization, 78 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.3s SsaConstructionTime, 17.3s SatisfiabilityAnalysisTime, 263.9s InterpolantComputationTime, 31328 NumberOfCodeBlocks, 28688 NumberOfCodeBlocksAsserted, 553 NumberOfCheckSat, 34485 ConstructedInterpolants, 0 QuantifiedInterpolants, 159847 SizeOfPredicates, 480 NumberOfNonLiveVariables, 23925 ConjunctsInSsa, 1373 ConjunctsInUnsatCore, 171 InterpolantComputations, 28 PerfectInterpolantSequences, 178565/260894 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-27 23:48:28,110 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-27 23:48:28,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aae5a5-ece4-4593-a285-a39199312381/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)