./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-invgen/id_trans.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invgen/id_trans.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd --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 6aaead44d7f76ddac498383f5d9663622bc4506781697c14d3a4988231066e32 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:09:48,628 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:09:48,746 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 16:09:48,755 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:09:48,756 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:09:48,803 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:09:48,805 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:09:48,805 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:09:48,806 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:09:48,806 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:09:48,807 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:09:48,807 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:09:48,808 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:09:48,808 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:09:48,809 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:09:48,809 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:09:48,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:09:48,810 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:09:48,810 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:09:48,810 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:09:48,811 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:09:48,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:09:48,812 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:09:48,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:09:48,812 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:09:48,812 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:09:48,812 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:09:48,812 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:09:48,813 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:09:48,813 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:09:48,813 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:09:48,813 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:09:48,813 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:09:48,813 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:09:48,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:09:48,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:09:48,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:09:48,814 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:09:48,814 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:09:48,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:09:48,814 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:09:48,814 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:09:48,814 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:09:48,814 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:09:48,815 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_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd 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 -> 6aaead44d7f76ddac498383f5d9663622bc4506781697c14d3a4988231066e32 [2024-11-13 16:09:49,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:09:49,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:09:49,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:09:49,227 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:09:49,228 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:09:49,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/loop-invgen/id_trans.i Unable to find full path for "g++" [2024-11-13 16:09:51,636 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:09:51,974 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:09:51,975 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/sv-benchmarks/c/loop-invgen/id_trans.i [2024-11-13 16:09:51,984 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/data/f60d2d3dd/a1a59f91290548a6bc05bf62a628b3e8/FLAGbac448abd [2024-11-13 16:09:52,004 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/data/f60d2d3dd/a1a59f91290548a6bc05bf62a628b3e8 [2024-11-13 16:09:52,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:09:52,009 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:09:52,011 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:09:52,011 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:09:52,017 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:09:52,018 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:09:52" (1/1) ... [2024-11-13 16:09:52,019 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b42b5d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:09:52, skipping insertion in model container [2024-11-13 16:09:52,019 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:09:52" (1/1) ... [2024-11-13 16:09:52,040 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:09:52,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:09:52,292 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:09:52,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:09:52,331 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:09:52,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:09:52 WrapperNode [2024-11-13 16:09:52,335 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:09:52,336 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:09:52,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:09:52,337 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:09:52,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:09:52" (1/1) ... [2024-11-13 16:09:52,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:09:52" (1/1) ... [2024-11-13 16:09:52,376 INFO L138 Inliner]: procedures = 16, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2024-11-13 16:09:52,376 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:09:52,377 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:09:52,377 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:09:52,377 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:09:52,389 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:09:52" (1/1) ... [2024-11-13 16:09:52,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:09:52" (1/1) ... [2024-11-13 16:09:52,391 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:09:52" (1/1) ... [2024-11-13 16:09:52,405 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 16:09:52,405 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:09:52" (1/1) ... [2024-11-13 16:09:52,405 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:09:52" (1/1) ... [2024-11-13 16:09:52,410 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:09:52" (1/1) ... [2024-11-13 16:09:52,414 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:09:52" (1/1) ... [2024-11-13 16:09:52,415 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:09:52" (1/1) ... [2024-11-13 16:09:52,416 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:09:52" (1/1) ... [2024-11-13 16:09:52,418 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:09:52,419 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:09:52,419 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:09:52,419 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:09:52,420 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:09:52" (1/1) ... [2024-11-13 16:09:52,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:09:52,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:09:52,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:09:52,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:09:52,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:09:52,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 16:09:52,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:09:52,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:09:52,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 16:09:52,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 16:09:52,591 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:09:52,594 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:09:52,935 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 16:09:52,936 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:09:52,955 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:09:52,955 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:09:52,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:09:52 BoogieIcfgContainer [2024-11-13 16:09:52,956 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:09:52,959 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:09:52,959 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:09:52,965 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:09:52,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:09:52" (1/3) ... [2024-11-13 16:09:52,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a56607a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:09:52, skipping insertion in model container [2024-11-13 16:09:52,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:09:52" (2/3) ... [2024-11-13 16:09:52,967 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a56607a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:09:52, skipping insertion in model container [2024-11-13 16:09:52,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:09:52" (3/3) ... [2024-11-13 16:09:52,968 INFO L112 eAbstractionObserver]: Analyzing ICFG id_trans.i [2024-11-13 16:09:52,993 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:09:52,995 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG id_trans.i that has 2 procedures, 40 locations, 1 initial locations, 1 loop locations, and 10 error locations. [2024-11-13 16:09:53,085 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:09:53,108 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;@7d7bbfb7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:09:53,108 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-13 16:09:53,114 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 24 states have (on average 1.625) internal successors, (39), 34 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-13 16:09:53,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 16:09:53,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:09:53,124 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-13 16:09:53,125 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-13 16:09:53,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:09:53,131 INFO L85 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2024-11-13 16:09:53,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:09:53,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428775238] [2024-11-13 16:09:53,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:09:53,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:09:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:53,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:09:53,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:09:53,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428775238] [2024-11-13 16:09:53,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428775238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:09:53,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:09:53,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:09:53,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598876008] [2024-11-13 16:09:53,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:09:53,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:09:53,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:09:53,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:09:53,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:09:53,506 INFO L87 Difference]: Start difference. First operand has 40 states, 24 states have (on average 1.625) internal successors, (39), 34 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:09:53,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:09:53,623 INFO L93 Difference]: Finished difference Result 71 states and 89 transitions. [2024-11-13 16:09:53,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:09:53,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-11-13 16:09:53,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:09:53,635 INFO L225 Difference]: With dead ends: 71 [2024-11-13 16:09:53,636 INFO L226 Difference]: Without dead ends: 31 [2024-11-13 16:09:53,640 INFO L431 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 [2024-11-13 16:09:53,646 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 19 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:09:53,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 43 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:09:53,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-13 16:09:53,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-11-13 16:09:53,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 25 states have internal predecessors, (26), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-13 16:09:53,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2024-11-13 16:09:53,714 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 3 [2024-11-13 16:09:53,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:09:53,714 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2024-11-13 16:09:53,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:09:53,715 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2024-11-13 16:09:53,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:09:53,715 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:09:53,715 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-13 16:09:53,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:09:53,717 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-13 16:09:53,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:09:53,718 INFO L85 PathProgramCache]: Analyzing trace with hash 925572, now seen corresponding path program 1 times [2024-11-13 16:09:53,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:09:53,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347229819] [2024-11-13 16:09:53,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:09:53,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:09:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:53,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:09:53,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:09:53,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347229819] [2024-11-13 16:09:53,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347229819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:09:53,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:09:53,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:09:53,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363992662] [2024-11-13 16:09:53,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:09:53,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:09:53,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:09:53,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:09:53,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:09:53,909 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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) [2024-11-13 16:09:53,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:09:53,962 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2024-11-13 16:09:53,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:09:53,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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 [2024-11-13 16:09:53,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:09:53,965 INFO L225 Difference]: With dead ends: 31 [2024-11-13 16:09:53,965 INFO L226 Difference]: Without dead ends: 29 [2024-11-13 16:09:53,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:09:53,967 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 19 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:09:53,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 42 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:09:53,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-13 16:09:53,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-11-13 16:09:53,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 23 states have internal predecessors, (24), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-13 16:09:53,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2024-11-13 16:09:53,988 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 4 [2024-11-13 16:09:53,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:09:53,988 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2024-11-13 16:09:53,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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) [2024-11-13 16:09:53,989 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2024-11-13 16:09:53,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:09:53,989 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:09:53,990 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:09:53,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 16:09:53,990 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-13 16:09:53,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:09:53,991 INFO L85 PathProgramCache]: Analyzing trace with hash 41221159, now seen corresponding path program 1 times [2024-11-13 16:09:53,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:09:53,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324632648] [2024-11-13 16:09:53,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:09:53,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:09:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:54,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:09:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:54,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 16:09:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:54,296 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 16:09:54,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:09:54,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324632648] [2024-11-13 16:09:54,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324632648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:09:54,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:09:54,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:09:54,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580822171] [2024-11-13 16:09:54,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:09:54,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:09:54,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:09:54,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:09:54,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:09:54,300 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-13 16:09:54,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:09:54,402 INFO L93 Difference]: Finished difference Result 45 states and 52 transitions. [2024-11-13 16:09:54,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:09:54,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 19 [2024-11-13 16:09:54,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:09:54,405 INFO L225 Difference]: With dead ends: 45 [2024-11-13 16:09:54,405 INFO L226 Difference]: Without dead ends: 41 [2024-11-13 16:09:54,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:09:54,408 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 4 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:09:54,408 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 45 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:09:54,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-13 16:09:54,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2024-11-13 16:09:54,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 30 states have internal predecessors, (31), 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) [2024-11-13 16:09:54,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2024-11-13 16:09:54,427 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 19 [2024-11-13 16:09:54,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:09:54,427 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2024-11-13 16:09:54,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-13 16:09:54,428 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2024-11-13 16:09:54,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 16:09:54,431 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:09:54,431 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:09:54,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 16:09:54,431 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-13 16:09:54,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:09:54,432 INFO L85 PathProgramCache]: Analyzing trace with hash 460993112, now seen corresponding path program 1 times [2024-11-13 16:09:54,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:09:54,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679525001] [2024-11-13 16:09:54,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:09:54,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:09:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:54,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:09:54,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:54,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 16:09:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:54,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 16:09:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:54,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 16:09:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:54,794 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:09:54,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:09:54,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679525001] [2024-11-13 16:09:54,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679525001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:09:54,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:09:54,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:09:54,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634686151] [2024-11-13 16:09:54,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:09:54,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:09:54,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:09:54,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:09:54,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:09:54,797 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-13 16:09:54,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:09:54,883 INFO L93 Difference]: Finished difference Result 45 states and 52 transitions. [2024-11-13 16:09:54,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:09:54,884 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2024-11-13 16:09:54,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:09:54,886 INFO L225 Difference]: With dead ends: 45 [2024-11-13 16:09:54,888 INFO L226 Difference]: Without dead ends: 43 [2024-11-13 16:09:54,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:09:54,890 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:09:54,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 63 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:09:54,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-13 16:09:54,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-13 16:09:54,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 33 states have internal predecessors, (34), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 16:09:54,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2024-11-13 16:09:54,906 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 50 transitions. Word has length 34 [2024-11-13 16:09:54,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:09:54,907 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 50 transitions. [2024-11-13 16:09:54,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-13 16:09:54,907 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2024-11-13 16:09:54,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 16:09:54,909 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:09:54,909 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:09:54,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 16:09:54,910 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-13 16:09:54,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:09:54,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1573482544, now seen corresponding path program 1 times [2024-11-13 16:09:54,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:09:54,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564644355] [2024-11-13 16:09:54,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:09:54,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:09:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:55,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:09:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:55,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 16:09:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:55,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 16:09:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:55,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 16:09:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:55,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 16:09:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:55,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:09:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:55,262 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 16:09:55,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:09:55,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564644355] [2024-11-13 16:09:55,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564644355] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:09:55,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989014640] [2024-11-13 16:09:55,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:09:55,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:09:55,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:09:55,267 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:09:55,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 16:09:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:55,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:09:55,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:09:55,588 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 16:09:55,589 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:09:55,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989014640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:09:55,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:09:55,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-13 16:09:55,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578741751] [2024-11-13 16:09:55,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:09:55,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:09:55,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:09:55,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:09:55,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:09:55,591 INFO L87 Difference]: Start difference. First operand 43 states and 50 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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) [2024-11-13 16:09:55,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:09:55,749 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2024-11-13 16:09:55,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:09:55,749 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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 49 [2024-11-13 16:09:55,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:09:55,751 INFO L225 Difference]: With dead ends: 43 [2024-11-13 16:09:55,751 INFO L226 Difference]: Without dead ends: 40 [2024-11-13 16:09:55,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:09:55,752 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 4 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:09:55,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 71 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:09:55,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-13 16:09:55,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-11-13 16:09:55,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 30 states have internal predecessors, (31), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 16:09:55,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 47 transitions. [2024-11-13 16:09:55,765 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 47 transitions. Word has length 49 [2024-11-13 16:09:55,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:09:55,766 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 47 transitions. [2024-11-13 16:09:55,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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) [2024-11-13 16:09:55,766 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2024-11-13 16:09:55,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 16:09:55,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:09:55,767 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:09:55,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-13 16:09:55,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:09:55,972 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-13 16:09:55,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:09:55,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1533318667, now seen corresponding path program 1 times [2024-11-13 16:09:55,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:09:55,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698904235] [2024-11-13 16:09:55,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:09:55,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:09:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:56,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:09:56,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:56,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 16:09:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:56,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 16:09:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:56,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 16:09:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:56,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 16:09:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:56,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:09:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:56,415 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 16:09:56,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:09:56,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698904235] [2024-11-13 16:09:56,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698904235] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:09:56,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234081279] [2024-11-13 16:09:56,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:09:56,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:09:56,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:09:56,418 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:09:56,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 16:09:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:56,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 16:09:56,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:09:56,629 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 16:09:56,629 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:09:57,069 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 16:09:57,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234081279] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:09:57,070 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 16:09:57,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2024-11-13 16:09:57,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167906522] [2024-11-13 16:09:57,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 16:09:57,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 16:09:57,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:09:57,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 16:09:57,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:09:57,076 INFO L87 Difference]: Start difference. First operand 40 states and 47 transitions. Second operand has 10 states, 9 states have (on average 5.0) internal successors, (45), 10 states have internal predecessors, (45), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-13 16:09:57,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:09:57,290 INFO L93 Difference]: Finished difference Result 52 states and 65 transitions. [2024-11-13 16:09:57,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 16:09:57,291 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.0) internal successors, (45), 10 states have internal predecessors, (45), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 50 [2024-11-13 16:09:57,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:09:57,292 INFO L225 Difference]: With dead ends: 52 [2024-11-13 16:09:57,292 INFO L226 Difference]: Without dead ends: 50 [2024-11-13 16:09:57,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:09:57,294 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 6 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:09:57,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 118 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:09:57,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-13 16:09:57,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 38. [2024-11-13 16:09:57,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 28 states have (on average 1.0357142857142858) internal successors, (29), 28 states have internal predecessors, (29), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 16:09:57,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2024-11-13 16:09:57,315 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 45 transitions. Word has length 50 [2024-11-13 16:09:57,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:09:57,315 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 45 transitions. [2024-11-13 16:09:57,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.0) internal successors, (45), 10 states have internal predecessors, (45), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-13 16:09:57,317 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2024-11-13 16:09:57,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 16:09:57,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:09:57,319 INFO L215 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] [2024-11-13 16:09:57,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 16:09:57,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-13 16:09:57,520 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-13 16:09:57,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:09:57,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1437686519, now seen corresponding path program 1 times [2024-11-13 16:09:57,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:09:57,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408319519] [2024-11-13 16:09:57,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:09:57,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:09:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:57,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:09:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:57,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 16:09:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:57,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 16:09:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:57,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 16:09:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:57,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 16:09:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:57,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:09:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:57,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 16:09:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:57,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 16:09:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:57,865 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 16:09:57,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:09:57,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408319519] [2024-11-13 16:09:57,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408319519] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:09:57,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614789999] [2024-11-13 16:09:57,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:09:57,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:09:57,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:09:57,875 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:09:57,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 16:09:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:57,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 16:09:57,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:09:58,077 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 16:09:58,077 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:09:58,244 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 16:09:58,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614789999] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:09:58,244 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 16:09:58,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-13 16:09:58,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387796422] [2024-11-13 16:09:58,245 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 16:09:58,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 16:09:58,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:09:58,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 16:09:58,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-13 16:09:58,251 INFO L87 Difference]: Start difference. First operand 38 states and 45 transitions. Second operand has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) [2024-11-13 16:09:58,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:09:58,483 INFO L93 Difference]: Finished difference Result 81 states and 102 transitions. [2024-11-13 16:09:58,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 16:09:58,484 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) Word has length 65 [2024-11-13 16:09:58,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:09:58,486 INFO L225 Difference]: With dead ends: 81 [2024-11-13 16:09:58,486 INFO L226 Difference]: Without dead ends: 80 [2024-11-13 16:09:58,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-13 16:09:58,487 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:09:58,488 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:09:58,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-13 16:09:58,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-13 16:09:58,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 58 states have (on average 1.0172413793103448) internal successors, (59), 58 states have internal predecessors, (59), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 16:09:58,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 99 transitions. [2024-11-13 16:09:58,514 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 99 transitions. Word has length 65 [2024-11-13 16:09:58,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:09:58,515 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 99 transitions. [2024-11-13 16:09:58,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) [2024-11-13 16:09:58,515 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 99 transitions. [2024-11-13 16:09:58,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-13 16:09:58,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:09:58,521 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2024-11-13 16:09:58,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 16:09:58,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-13 16:09:58,722 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-13 16:09:58,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:09:58,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1928634002, now seen corresponding path program 2 times [2024-11-13 16:09:58,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:09:58,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056847647] [2024-11-13 16:09:58,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:09:58,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:09:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:59,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:09:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:59,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 16:09:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:59,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 16:09:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:59,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 16:09:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:59,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 16:09:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:59,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:09:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:59,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 16:09:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:59,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 16:09:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:59,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-13 16:09:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:59,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 16:09:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:59,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-13 16:09:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:59,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 16:09:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:59,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:09:59,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:59,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 16:09:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:59,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-13 16:09:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:59,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 16:09:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:59,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 16:09:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:59,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-13 16:09:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:59,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-13 16:09:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:59,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 16:09:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:59,543 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:09:59,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:09:59,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056847647] [2024-11-13 16:09:59,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056847647] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:09:59,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818877637] [2024-11-13 16:09:59,544 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 16:09:59,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:09:59,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:09:59,547 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:09:59,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 16:09:59,635 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 16:09:59,635 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 16:09:59,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:09:59,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:09:59,932 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked. [2024-11-13 16:09:59,932 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:10:00,269 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked. [2024-11-13 16:10:00,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [818877637] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:10:00,270 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 16:10:00,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 14 [2024-11-13 16:10:00,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270054366] [2024-11-13 16:10:00,270 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 16:10:00,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 16:10:00,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:10:00,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 16:10:00,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-13 16:10:00,273 INFO L87 Difference]: Start difference. First operand 80 states and 99 transitions. Second operand has 15 states, 14 states have (on average 5.714285714285714) internal successors, (80), 15 states have internal predecessors, (80), 7 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) [2024-11-13 16:10:00,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:10:00,705 INFO L93 Difference]: Finished difference Result 97 states and 121 transitions. [2024-11-13 16:10:00,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 16:10:00,706 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.714285714285714) internal successors, (80), 15 states have internal predecessors, (80), 7 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) Word has length 155 [2024-11-13 16:10:00,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:10:00,707 INFO L225 Difference]: With dead ends: 97 [2024-11-13 16:10:00,707 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 16:10:00,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 344 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=165, Invalid=537, Unknown=0, NotChecked=0, Total=702 [2024-11-13 16:10:00,710 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:10:00,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 75 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:10:00,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 16:10:00,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 16:10:00,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:10:00,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 16:10:00,712 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2024-11-13 16:10:00,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:10:00,712 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 16:10:00,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.714285714285714) internal successors, (80), 15 states have internal predecessors, (80), 7 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) [2024-11-13 16:10:00,713 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 16:10:00,713 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 16:10:00,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2024-11-13 16:10:00,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2024-11-13 16:10:00,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2024-11-13 16:10:00,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2024-11-13 16:10:00,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2024-11-13 16:10:00,718 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2024-11-13 16:10:00,718 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2024-11-13 16:10:00,718 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2024-11-13 16:10:00,718 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2024-11-13 16:10:00,718 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2024-11-13 16:10:00,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-13 16:10:00,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:10:00,922 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2024-11-13 16:10:00,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 16:10:01,699 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 16:10:01,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:10:01 BoogieIcfgContainer [2024-11-13 16:10:01,723 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 16:10:01,724 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:10:01,724 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:10:01,724 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:10:01,725 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:09:52" (3/4) ... [2024-11-13 16:10:01,728 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 16:10:01,734 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 16:10:01,738 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-13 16:10:01,738 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 16:10:01,739 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 16:10:01,739 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 16:10:01,832 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 16:10:01,832 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 16:10:01,832 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:10:01,833 INFO L158 Benchmark]: Toolchain (without parser) took 9824.53ms. Allocated memory was 167.8MB in the beginning and 436.2MB in the end (delta: 268.4MB). Free memory was 129.8MB in the beginning and 393.1MB in the end (delta: -263.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-13 16:10:01,833 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:10:01,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.93ms. Allocated memory is still 167.8MB. Free memory was 129.5MB in the beginning and 118.8MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:10:01,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.13ms. Allocated memory is still 167.8MB. Free memory was 118.8MB in the beginning and 117.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:10:01,835 INFO L158 Benchmark]: Boogie Preprocessor took 41.27ms. Allocated memory is still 167.8MB. Free memory was 117.3MB in the beginning and 116.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:10:01,835 INFO L158 Benchmark]: RCFGBuilder took 537.11ms. Allocated memory is still 167.8MB. Free memory was 116.1MB in the beginning and 103.4MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:10:01,835 INFO L158 Benchmark]: TraceAbstraction took 8764.74ms. Allocated memory was 167.8MB in the beginning and 436.2MB in the end (delta: 268.4MB). Free memory was 102.8MB in the beginning and 398.5MB in the end (delta: -295.7MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. [2024-11-13 16:10:01,836 INFO L158 Benchmark]: Witness Printer took 108.21ms. Allocated memory is still 436.2MB. Free memory was 398.5MB in the beginning and 393.1MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:10:01,838 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.93ms. Allocated memory is still 167.8MB. Free memory was 129.5MB in the beginning and 118.8MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.13ms. Allocated memory is still 167.8MB. Free memory was 118.8MB in the beginning and 117.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.27ms. Allocated memory is still 167.8MB. Free memory was 117.3MB in the beginning and 116.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 537.11ms. Allocated memory is still 167.8MB. Free memory was 116.1MB in the beginning and 103.4MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8764.74ms. Allocated memory was 167.8MB in the beginning and 436.2MB in the end (delta: 268.4MB). Free memory was 102.8MB in the beginning and 398.5MB in the end (delta: -295.7MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. * Witness Printer took 108.21ms. Allocated memory is still 436.2MB. Free memory was 398.5MB in the beginning and 393.1MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. 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 - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 8, TraceHistogramMax: 20, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 69 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 574 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 374 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 392 IncrementalHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 200 mSDtfsCounter, 392 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 721 GetRequests, 665 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred in iteration=7, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 698 NumberOfCodeBlocks, 559 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 953 ConstructedInterpolants, 0 QuantifiedInterpolants, 2033 SizeOfPredicates, 2 NumberOfNonLiveVariables, 378 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 15 InterpolantComputations, 5 PerfectInterpolantSequences, 3142/3439 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 - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: (((((0 <= (idBitLength + 2147483648)) && (material_length <= 2147483647)) && (idBitLength <= 2147483647)) && (j == 0)) || ((((((((((long long) j + 1) >= 0) ? (((long long) j + 1) / 4) : ((((long long) j + 1) / 4) - 1)) == 2147483647) || (((((long long) j + 1) >= 0) ? (((long long) j + 1) / 4) : ((((long long) j + 1) / 4) - 1)) < 2147483647)) && (1 <= j)) && (0 <= (idBitLength + 2147483648))) && (material_length <= 2147483647)) && (idBitLength <= 2147483647))) RESULT: Ultimate proved your program to be correct! [2024-11-13 16:10:01,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f82dbf-9ffe-4c17-9897-1f42a9518cd9/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE