./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive/recHanoi01.c --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_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/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_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive/recHanoi01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/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_5a6f3dac-d683-499a-98ce-5485750ce648/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 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:14:04,638 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:14:04,746 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 15:14:04,756 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:14:04,760 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:14:04,804 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:14:04,806 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:14:04,806 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:14:04,807 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:14:04,807 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:14:04,808 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:14:04,808 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:14:04,809 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:14:04,809 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:14:04,809 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:14:04,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:14:04,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:14:04,810 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:14:04,810 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:14:04,811 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:14:04,811 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:14:04,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:14:04,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:14:04,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:14:04,812 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:14:04,812 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 15:14:04,812 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:14:04,812 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:14:04,812 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:14:04,812 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:14:04,813 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:14:04,813 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:14:04,813 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:14:04,813 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:14:04,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:14:04,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:14:04,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:14:04,815 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:14:04,815 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:14:04,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:14:04,815 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:14:04,815 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:14:04,815 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:14:04,816 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:14:04,816 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_5a6f3dac-d683-499a-98ce-5485750ce648/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 -> 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 [2024-11-13 15:14:05,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:14:05,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:14:05,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:14:05,197 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:14:05,197 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:14:05,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/recursive/recHanoi01.c Unable to find full path for "g++" [2024-11-13 15:14:07,453 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:14:07,734 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:14:07,738 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/sv-benchmarks/c/recursive/recHanoi01.c [2024-11-13 15:14:07,748 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/data/6cc440556/885d1094d8f041d199efaa6bec0a57d3/FLAG18a63c38f [2024-11-13 15:14:07,773 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/data/6cc440556/885d1094d8f041d199efaa6bec0a57d3 [2024-11-13 15:14:07,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:14:07,779 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:14:07,780 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:14:07,780 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:14:07,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:14:07,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:14:07" (1/1) ... [2024-11-13 15:14:07,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dae564b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:14:07, skipping insertion in model container [2024-11-13 15:14:07,793 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:14:07" (1/1) ... [2024-11-13 15:14:07,812 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:14:08,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:14:08,015 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:14:08,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:14:08,055 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:14:08,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:14:08 WrapperNode [2024-11-13 15:14:08,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:14:08,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:14:08,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:14:08,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:14:08,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:14:08" (1/1) ... [2024-11-13 15:14:08,077 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:14:08" (1/1) ... [2024-11-13 15:14:08,101 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2024-11-13 15:14:08,102 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:14:08,103 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:14:08,103 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:14:08,103 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:14:08,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:14:08" (1/1) ... [2024-11-13 15:14:08,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:14:08" (1/1) ... [2024-11-13 15:14:08,118 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:14:08" (1/1) ... [2024-11-13 15:14:08,138 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 15:14:08,139 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:14:08" (1/1) ... [2024-11-13 15:14:08,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:14:08" (1/1) ... [2024-11-13 15:14:08,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:14:08" (1/1) ... [2024-11-13 15:14:08,149 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:14:08" (1/1) ... [2024-11-13 15:14:08,151 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:14:08" (1/1) ... [2024-11-13 15:14:08,151 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:14:08" (1/1) ... [2024-11-13 15:14:08,154 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:14:08,157 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:14:08,157 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:14:08,157 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:14:08,158 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:14:08" (1/1) ... [2024-11-13 15:14:08,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:14:08,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:14:08,209 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:14:08,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:14:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:14:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure applyHanoi [2024-11-13 15:14:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure applyHanoi [2024-11-13 15:14:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2024-11-13 15:14:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2024-11-13 15:14:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:14:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:14:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:14:08,349 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:14:08,352 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:14:08,623 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 15:14:08,623 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:14:08,636 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:14:08,637 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:14:08,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:14:08 BoogieIcfgContainer [2024-11-13 15:14:08,637 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:14:08,641 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:14:08,641 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:14:08,648 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:14:08,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:14:07" (1/3) ... [2024-11-13 15:14:08,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e534c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:14:08, skipping insertion in model container [2024-11-13 15:14:08,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:14:08" (2/3) ... [2024-11-13 15:14:08,650 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e534c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:14:08, skipping insertion in model container [2024-11-13 15:14:08,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:14:08" (3/3) ... [2024-11-13 15:14:08,652 INFO L112 eAbstractionObserver]: Analyzing ICFG recHanoi01.c [2024-11-13 15:14:08,672 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:14:08,674 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG recHanoi01.c that has 3 procedures, 48 locations, 1 initial locations, 0 loop locations, and 12 error locations. [2024-11-13 15:14:08,742 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:14:08,758 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;@219af361, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:14:08,759 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-13 15:14:08,764 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 41 states have internal predecessors, (44), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 15:14:08,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 15:14:08,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:14:08,775 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:14:08,776 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:14:08,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:14:08,782 INFO L85 PathProgramCache]: Analyzing trace with hash -163862552, now seen corresponding path program 1 times [2024-11-13 15:14:08,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:14:08,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439345284] [2024-11-13 15:14:08,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:14:08,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:14:08,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:09,213 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 15:14:09,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:14:09,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439345284] [2024-11-13 15:14:09,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439345284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:14:09,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:14:09,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:14:09,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30418353] [2024-11-13 15:14:09,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:14:09,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:14:09,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:14:09,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:14:09,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:14:09,259 INFO L87 Difference]: Start difference. First operand has 48 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 41 states have internal predecessors, (44), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:14:09,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:14:09,395 INFO L93 Difference]: Finished difference Result 84 states and 92 transitions. [2024-11-13 15:14:09,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:14:09,401 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-13 15:14:09,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:14:09,410 INFO L225 Difference]: With dead ends: 84 [2024-11-13 15:14:09,411 INFO L226 Difference]: Without dead ends: 66 [2024-11-13 15:14:09,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:14:09,421 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 34 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:14:09,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 135 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:14:09,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-13 15:14:09,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 47. [2024-11-13 15:14:09,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 27 states have (on average 1.5555555555555556) internal successors, (42), 40 states have internal predecessors, (42), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-13 15:14:09,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2024-11-13 15:14:09,493 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 7 [2024-11-13 15:14:09,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:14:09,493 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2024-11-13 15:14:09,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:14:09,494 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2024-11-13 15:14:09,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 15:14:09,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:14:09,495 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:14:09,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:14:09,496 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:14:09,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:14:09,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1441878698, now seen corresponding path program 1 times [2024-11-13 15:14:09,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:14:09,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989361367] [2024-11-13 15:14:09,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:14:09,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:14:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:09,704 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 15:14:09,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:14:09,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989361367] [2024-11-13 15:14:09,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989361367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:14:09,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:14:09,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:14:09,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875831879] [2024-11-13 15:14:09,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:14:09,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:14:09,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:14:09,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:14:09,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:14:09,711 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:14:09,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:14:09,885 INFO L93 Difference]: Finished difference Result 78 states and 85 transitions. [2024-11-13 15:14:09,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:14:09,886 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-13 15:14:09,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:14:09,887 INFO L225 Difference]: With dead ends: 78 [2024-11-13 15:14:09,887 INFO L226 Difference]: Without dead ends: 55 [2024-11-13 15:14:09,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:14:09,889 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 16 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:14:09,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 141 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:14:09,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-13 15:14:09,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2024-11-13 15:14:09,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 31 states have (on average 1.5161290322580645) internal successors, (47), 44 states have internal predecessors, (47), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:14:09,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2024-11-13 15:14:09,911 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 9 [2024-11-13 15:14:09,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:14:09,912 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2024-11-13 15:14:09,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:14:09,912 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2024-11-13 15:14:09,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 15:14:09,913 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:14:09,913 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:14:09,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:14:09,913 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting applyHanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:14:09,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:14:09,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1748566720, now seen corresponding path program 1 times [2024-11-13 15:14:09,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:14:09,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836923165] [2024-11-13 15:14:09,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:14:09,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:14:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:10,094 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 15:14:10,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:14:10,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836923165] [2024-11-13 15:14:10,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836923165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:14:10,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:14:10,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:14:10,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584201950] [2024-11-13 15:14:10,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:14:10,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:14:10,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:14:10,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:14:10,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:14:10,097 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:14:10,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:14:10,192 INFO L93 Difference]: Finished difference Result 55 states and 65 transitions. [2024-11-13 15:14:10,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:14:10,193 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-13 15:14:10,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:14:10,196 INFO L225 Difference]: With dead ends: 55 [2024-11-13 15:14:10,196 INFO L226 Difference]: Without dead ends: 53 [2024-11-13 15:14:10,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:14:10,198 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 20 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:14:10,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 108 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:14:10,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-13 15:14:10,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2024-11-13 15:14:10,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 42 states have internal predecessors, (43), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:14:10,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2024-11-13 15:14:10,210 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 56 transitions. Word has length 10 [2024-11-13 15:14:10,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:14:10,211 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 56 transitions. [2024-11-13 15:14:10,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:14:10,211 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2024-11-13 15:14:10,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 15:14:10,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:14:10,212 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:14:10,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:14:10,212 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:14:10,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:14:10,213 INFO L85 PathProgramCache]: Analyzing trace with hash -895197661, now seen corresponding path program 1 times [2024-11-13 15:14:10,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:14:10,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719517981] [2024-11-13 15:14:10,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:14:10,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:14:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:10,420 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:14:10,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:14:10,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719517981] [2024-11-13 15:14:10,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719517981] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:14:10,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994216466] [2024-11-13 15:14:10,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:14:10,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:14:10,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:14:10,426 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:14:10,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:14:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:10,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 15:14:10,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:14:10,671 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:14:10,671 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:14:10,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994216466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:14:10,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:14:10,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-13 15:14:10,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155228723] [2024-11-13 15:14:10,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:14:10,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:14:10,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:14:10,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:14:10,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:14:10,676 INFO L87 Difference]: Start difference. First operand 51 states and 56 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:14:10,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:14:10,738 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2024-11-13 15:14:10,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:14:10,742 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-13 15:14:10,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:14:10,743 INFO L225 Difference]: With dead ends: 51 [2024-11-13 15:14:10,743 INFO L226 Difference]: Without dead ends: 50 [2024-11-13 15:14:10,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:14:10,744 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 36 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:14:10,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 114 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:14:10,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-13 15:14:10,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-13 15:14:10,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 41 states have internal predecessors, (42), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:14:10,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2024-11-13 15:14:10,766 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 14 [2024-11-13 15:14:10,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:14:10,766 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2024-11-13 15:14:10,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:14:10,767 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2024-11-13 15:14:10,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 15:14:10,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:14:10,767 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:14:10,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 15:14:10,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:14:10,972 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:14:10,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:14:10,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1981323677, now seen corresponding path program 1 times [2024-11-13 15:14:10,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:14:10,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526233972] [2024-11-13 15:14:10,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:14:10,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:14:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:11,154 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:14:11,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:14:11,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526233972] [2024-11-13 15:14:11,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526233972] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:14:11,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228330151] [2024-11-13 15:14:11,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:14:11,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:14:11,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:14:11,159 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:14:11,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 15:14:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:11,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 15:14:11,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:14:11,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:14:11,287 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:14:11,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:14:11,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228330151] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:14:11,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:14:11,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-13 15:14:11,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782547826] [2024-11-13 15:14:11,381 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:14:11,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 15:14:11,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:14:11,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 15:14:11,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:14:11,383 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand has 12 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 12 states have internal predecessors, (29), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:14:11,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:14:11,651 INFO L93 Difference]: Finished difference Result 157 states and 189 transitions. [2024-11-13 15:14:11,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 15:14:11,652 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 12 states have internal predecessors, (29), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-13 15:14:11,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:14:11,655 INFO L225 Difference]: With dead ends: 157 [2024-11-13 15:14:11,655 INFO L226 Difference]: Without dead ends: 156 [2024-11-13 15:14:11,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2024-11-13 15:14:11,658 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 126 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:14:11,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 260 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:14:11,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-13 15:14:11,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 89. [2024-11-13 15:14:11,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 60 states have (on average 1.3) internal successors, (78), 72 states have internal predecessors, (78), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (28), 13 states have call predecessors, (28), 13 states have call successors, (28) [2024-11-13 15:14:11,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 120 transitions. [2024-11-13 15:14:11,700 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 120 transitions. Word has length 15 [2024-11-13 15:14:11,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:14:11,700 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 120 transitions. [2024-11-13 15:14:11,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 12 states have internal predecessors, (29), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:14:11,701 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 120 transitions. [2024-11-13 15:14:11,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 15:14:11,704 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:14:11,704 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:14:11,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 15:14:11,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:14:11,909 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:14:11,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:14:11,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1291491803, now seen corresponding path program 1 times [2024-11-13 15:14:11,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:14:11,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101343639] [2024-11-13 15:14:11,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:14:11,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:14:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:12,029 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:14:12,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:14:12,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101343639] [2024-11-13 15:14:12,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101343639] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:14:12,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844327251] [2024-11-13 15:14:12,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:14:12,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:14:12,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:14:12,033 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:14:12,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 15:14:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:12,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 15:14:12,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:14:12,138 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:14:12,138 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:14:12,253 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:14:12,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [844327251] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:14:12,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:14:12,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-13 15:14:12,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574748758] [2024-11-13 15:14:12,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:14:12,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 15:14:12,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:14:12,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 15:14:12,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:14:12,257 INFO L87 Difference]: Start difference. First operand 89 states and 120 transitions. Second operand has 12 states, 9 states have (on average 2.888888888888889) internal successors, (26), 8 states have internal predecessors, (26), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:14:12,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:14:12,419 INFO L93 Difference]: Finished difference Result 95 states and 126 transitions. [2024-11-13 15:14:12,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:14:12,420 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 2.888888888888889) internal successors, (26), 8 states have internal predecessors, (26), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-13 15:14:12,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:14:12,422 INFO L225 Difference]: With dead ends: 95 [2024-11-13 15:14:12,422 INFO L226 Difference]: Without dead ends: 93 [2024-11-13 15:14:12,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2024-11-13 15:14:12,425 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 42 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:14:12,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 209 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:14:12,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-13 15:14:12,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-13 15:14:12,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 63 states have (on average 1.1904761904761905) internal successors, (75), 73 states have internal predecessors, (75), 14 states have call successors, (14), 6 states have call predecessors, (14), 9 states have return successors, (31), 13 states have call predecessors, (31), 13 states have call successors, (31) [2024-11-13 15:14:12,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 120 transitions. [2024-11-13 15:14:12,450 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 120 transitions. Word has length 16 [2024-11-13 15:14:12,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:14:12,450 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 120 transitions. [2024-11-13 15:14:12,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 2.888888888888889) internal successors, (26), 8 states have internal predecessors, (26), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:14:12,450 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 120 transitions. [2024-11-13 15:14:12,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 15:14:12,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:14:12,451 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:14:12,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 15:14:12,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:14:12,656 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:14:12,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:14:12,656 INFO L85 PathProgramCache]: Analyzing trace with hash 978877444, now seen corresponding path program 1 times [2024-11-13 15:14:12,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:14:12,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651284185] [2024-11-13 15:14:12,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:14:12,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:14:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:12,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:14:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:12,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:12,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:14:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:12,817 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:14:12,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:14:12,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651284185] [2024-11-13 15:14:12,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651284185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:14:12,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:14:12,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:14:12,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265434844] [2024-11-13 15:14:12,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:14:12,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:14:12,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:14:12,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:14:12,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:14:12,827 INFO L87 Difference]: Start difference. First operand 93 states and 120 transitions. Second operand has 6 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 15:14:13,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:14:13,024 INFO L93 Difference]: Finished difference Result 113 states and 140 transitions. [2024-11-13 15:14:13,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:14:13,024 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2024-11-13 15:14:13,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:14:13,027 INFO L225 Difference]: With dead ends: 113 [2024-11-13 15:14:13,027 INFO L226 Difference]: Without dead ends: 108 [2024-11-13 15:14:13,028 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:14:13,029 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 68 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:14:13,029 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 83 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:14:13,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-13 15:14:13,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 103. [2024-11-13 15:14:13,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 72 states have (on average 1.2222222222222223) internal successors, (88), 81 states have internal predecessors, (88), 15 states have call successors, (15), 7 states have call predecessors, (15), 9 states have return successors, (32), 14 states have call predecessors, (32), 14 states have call successors, (32) [2024-11-13 15:14:13,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 135 transitions. [2024-11-13 15:14:13,072 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 135 transitions. Word has length 28 [2024-11-13 15:14:13,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:14:13,072 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 135 transitions. [2024-11-13 15:14:13,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 15:14:13,073 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 135 transitions. [2024-11-13 15:14:13,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 15:14:13,074 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:14:13,074 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:14:13,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 15:14:13,074 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting hanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:14:13,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:14:13,075 INFO L85 PathProgramCache]: Analyzing trace with hash 280429750, now seen corresponding path program 1 times [2024-11-13 15:14:13,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:14:13,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334699416] [2024-11-13 15:14:13,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:14:13,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:14:13,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:13,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:14:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:13,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:13,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:14:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:13,353 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 15:14:13,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:14:13,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334699416] [2024-11-13 15:14:13,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334699416] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:14:13,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1857393330] [2024-11-13 15:14:13,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:14:13,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:14:13,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:14:13,362 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:14:13,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 15:14:13,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:13,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 15:14:13,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:14:13,529 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:14:13,529 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:14:13,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1857393330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:14:13,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:14:13,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 13 [2024-11-13 15:14:13,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108300825] [2024-11-13 15:14:13,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:14:13,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:14:13,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:14:13,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:14:13,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-11-13 15:14:13,531 INFO L87 Difference]: Start difference. First operand 103 states and 135 transitions. Second operand has 5 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 15:14:13,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:14:13,601 INFO L93 Difference]: Finished difference Result 105 states and 138 transitions. [2024-11-13 15:14:13,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:14:13,602 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2024-11-13 15:14:13,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:14:13,603 INFO L225 Difference]: With dead ends: 105 [2024-11-13 15:14:13,603 INFO L226 Difference]: Without dead ends: 104 [2024-11-13 15:14:13,604 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-13 15:14:13,605 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 27 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:14:13,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 104 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:14:13,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-13 15:14:13,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 102. [2024-11-13 15:14:13,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 72 states have (on average 1.1944444444444444) internal successors, (86), 80 states have internal predecessors, (86), 15 states have call successors, (15), 7 states have call predecessors, (15), 9 states have return successors, (32), 14 states have call predecessors, (32), 14 states have call successors, (32) [2024-11-13 15:14:13,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 133 transitions. [2024-11-13 15:14:13,634 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 133 transitions. Word has length 29 [2024-11-13 15:14:13,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:14:13,635 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 133 transitions. [2024-11-13 15:14:13,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 15:14:13,635 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 133 transitions. [2024-11-13 15:14:13,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 15:14:13,640 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:14:13,640 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:14:13,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 15:14:13,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:14:13,841 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:14:13,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:14:13,841 INFO L85 PathProgramCache]: Analyzing trace with hash 533107753, now seen corresponding path program 1 times [2024-11-13 15:14:13,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:14:13,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413891871] [2024-11-13 15:14:13,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:14:13,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:14:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:13,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:14:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:13,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:14,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:14:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:14,008 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:14:14,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:14:14,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413891871] [2024-11-13 15:14:14,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413891871] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:14:14,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217115406] [2024-11-13 15:14:14,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:14:14,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:14:14,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:14:14,013 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:14:14,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 15:14:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:14,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 15:14:14,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:14:14,143 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:14:14,143 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:14:14,285 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:14:14,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217115406] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:14:14,286 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:14:14,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2024-11-13 15:14:14,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482560434] [2024-11-13 15:14:14,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:14:14,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 15:14:14,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:14:14,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 15:14:14,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:14:14,289 INFO L87 Difference]: Start difference. First operand 102 states and 133 transitions. Second operand has 13 states, 10 states have (on average 2.9) internal successors, (29), 8 states have internal predecessors, (29), 5 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 15:14:14,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:14:14,805 INFO L93 Difference]: Finished difference Result 163 states and 196 transitions. [2024-11-13 15:14:14,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 15:14:14,806 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 2.9) internal successors, (29), 8 states have internal predecessors, (29), 5 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 33 [2024-11-13 15:14:14,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:14:14,808 INFO L225 Difference]: With dead ends: 163 [2024-11-13 15:14:14,808 INFO L226 Difference]: Without dead ends: 162 [2024-11-13 15:14:14,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2024-11-13 15:14:14,809 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 236 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:14:14,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 159 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:14:14,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-13 15:14:14,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 138. [2024-11-13 15:14:14,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 102 states have (on average 1.2843137254901962) internal successors, (131), 110 states have internal predecessors, (131), 18 states have call successors, (18), 10 states have call predecessors, (18), 12 states have return successors, (35), 17 states have call predecessors, (35), 17 states have call successors, (35) [2024-11-13 15:14:14,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 184 transitions. [2024-11-13 15:14:14,840 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 184 transitions. Word has length 33 [2024-11-13 15:14:14,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:14:14,841 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 184 transitions. [2024-11-13 15:14:14,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 2.9) internal successors, (29), 8 states have internal predecessors, (29), 5 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 15:14:14,843 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 184 transitions. [2024-11-13 15:14:14,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 15:14:14,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:14:14,844 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:14:14,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-13 15:14:15,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:14:15,047 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:14:15,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:14:15,048 INFO L85 PathProgramCache]: Analyzing trace with hash -976431123, now seen corresponding path program 1 times [2024-11-13 15:14:15,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:14:15,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582724544] [2024-11-13 15:14:15,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:14:15,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:14:15,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:15,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:14:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:15,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:15,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:14:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:15,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:14:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:15,194 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 15:14:15,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:14:15,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582724544] [2024-11-13 15:14:15,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582724544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:14:15,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:14:15,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:14:15,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993673555] [2024-11-13 15:14:15,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:14:15,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:14:15,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:14:15,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:14:15,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:14:15,198 INFO L87 Difference]: Start difference. First operand 138 states and 184 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-13 15:14:15,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:14:15,380 INFO L93 Difference]: Finished difference Result 175 states and 237 transitions. [2024-11-13 15:14:15,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:14:15,381 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 36 [2024-11-13 15:14:15,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:14:15,383 INFO L225 Difference]: With dead ends: 175 [2024-11-13 15:14:15,383 INFO L226 Difference]: Without dead ends: 164 [2024-11-13 15:14:15,384 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:14:15,384 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 49 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:14:15,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 85 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:14:15,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-13 15:14:15,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2024-11-13 15:14:15,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 125 states have (on average 1.224) internal successors, (153), 132 states have internal predecessors, (153), 18 states have call successors, (18), 10 states have call predecessors, (18), 15 states have return successors, (39), 21 states have call predecessors, (39), 17 states have call successors, (39) [2024-11-13 15:14:15,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 210 transitions. [2024-11-13 15:14:15,414 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 210 transitions. Word has length 36 [2024-11-13 15:14:15,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:14:15,414 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 210 transitions. [2024-11-13 15:14:15,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-13 15:14:15,414 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 210 transitions. [2024-11-13 15:14:15,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 15:14:15,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:14:15,416 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-13 15:14:15,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 15:14:15,417 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:14:15,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:14:15,421 INFO L85 PathProgramCache]: Analyzing trace with hash 985458174, now seen corresponding path program 2 times [2024-11-13 15:14:15,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:14:15,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555351678] [2024-11-13 15:14:15,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:14:15,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:14:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:15,828 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:14:15,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:14:15,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555351678] [2024-11-13 15:14:15,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555351678] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:14:15,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665218605] [2024-11-13 15:14:15,829 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:14:15,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:14:15,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:14:15,832 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:14:15,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 15:14:15,921 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 15:14:15,921 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:14:15,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 15:14:15,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:14:16,065 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:14:16,065 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:14:16,369 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:14:16,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1665218605] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:14:16,370 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:14:16,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2024-11-13 15:14:16,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705803508] [2024-11-13 15:14:16,370 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:14:16,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-13 15:14:16,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:14:16,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-13 15:14:16,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-13 15:14:16,375 INFO L87 Difference]: Start difference. First operand 164 states and 210 transitions. Second operand has 24 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 24 states have internal predecessors, (65), 11 states have call successors, (11), 11 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:14:17,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:14:17,246 INFO L93 Difference]: Finished difference Result 1095 states and 1449 transitions. [2024-11-13 15:14:17,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 15:14:17,247 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 24 states have internal predecessors, (65), 11 states have call successors, (11), 11 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2024-11-13 15:14:17,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:14:17,263 INFO L225 Difference]: With dead ends: 1095 [2024-11-13 15:14:17,263 INFO L226 Difference]: Without dead ends: 1094 [2024-11-13 15:14:17,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2024-11-13 15:14:17,266 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 449 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:14:17,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 429 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 15:14:17,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2024-11-13 15:14:17,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 266. [2024-11-13 15:14:17,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 197 states have (on average 1.1725888324873097) internal successors, (231), 210 states have internal predecessors, (231), 36 states have call successors, (36), 16 states have call predecessors, (36), 27 states have return successors, (168), 39 states have call predecessors, (168), 35 states have call successors, (168) [2024-11-13 15:14:17,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 435 transitions. [2024-11-13 15:14:17,364 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 435 transitions. Word has length 36 [2024-11-13 15:14:17,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:14:17,364 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 435 transitions. [2024-11-13 15:14:17,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 24 states have internal predecessors, (65), 11 states have call successors, (11), 11 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:14:17,365 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 435 transitions. [2024-11-13 15:14:17,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 15:14:17,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:14:17,370 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:14:17,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 15:14:17,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-13 15:14:17,570 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:14:17,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:14:17,571 INFO L85 PathProgramCache]: Analyzing trace with hash 603763268, now seen corresponding path program 2 times [2024-11-13 15:14:17,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:14:17,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117680401] [2024-11-13 15:14:17,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:14:17,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:14:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:17,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:14:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:18,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:18,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:14:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:18,073 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 2 proven. 49 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 15:14:18,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:14:18,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117680401] [2024-11-13 15:14:18,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117680401] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:14:18,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286830436] [2024-11-13 15:14:18,073 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:14:18,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:14:18,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:14:18,076 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:14:18,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 15:14:18,151 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 15:14:18,151 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:14:18,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 15:14:18,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:14:18,227 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:14:18,227 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:14:18,594 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:14:18,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1286830436] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:14:18,594 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:14:18,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 12, 12] total 29 [2024-11-13 15:14:18,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376189418] [2024-11-13 15:14:18,595 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:14:18,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-13 15:14:18,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:14:18,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-13 15:14:18,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2024-11-13 15:14:18,598 INFO L87 Difference]: Start difference. First operand 266 states and 435 transitions. Second operand has 30 states, 27 states have (on average 2.4444444444444446) internal successors, (66), 19 states have internal predecessors, (66), 13 states have call successors, (17), 12 states have call predecessors, (17), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2024-11-13 15:14:20,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:14:20,004 INFO L93 Difference]: Finished difference Result 421 states and 585 transitions. [2024-11-13 15:14:20,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-13 15:14:20,006 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 27 states have (on average 2.4444444444444446) internal successors, (66), 19 states have internal predecessors, (66), 13 states have call successors, (17), 12 states have call predecessors, (17), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) Word has length 48 [2024-11-13 15:14:20,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:14:20,012 INFO L225 Difference]: With dead ends: 421 [2024-11-13 15:14:20,013 INFO L226 Difference]: Without dead ends: 420 [2024-11-13 15:14:20,015 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 697 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=560, Invalid=2410, Unknown=0, NotChecked=0, Total=2970 [2024-11-13 15:14:20,016 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 729 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 732 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:14:20,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [732 Valid, 92 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 15:14:20,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-13 15:14:20,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 380. [2024-11-13 15:14:20,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 293 states have (on average 1.2184300341296928) internal successors, (357), 306 states have internal predecessors, (357), 42 states have call successors, (42), 22 states have call predecessors, (42), 39 states have return successors, (180), 51 states have call predecessors, (180), 41 states have call successors, (180) [2024-11-13 15:14:20,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 579 transitions. [2024-11-13 15:14:20,128 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 579 transitions. Word has length 48 [2024-11-13 15:14:20,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:14:20,129 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 579 transitions. [2024-11-13 15:14:20,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 27 states have (on average 2.4444444444444446) internal successors, (66), 19 states have internal predecessors, (66), 13 states have call successors, (17), 12 states have call predecessors, (17), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2024-11-13 15:14:20,129 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 579 transitions. [2024-11-13 15:14:20,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 15:14:20,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:14:20,131 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:14:20,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-13 15:14:20,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:14:20,332 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:14:20,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:14:20,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1788578095, now seen corresponding path program 1 times [2024-11-13 15:14:20,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:14:20,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74959342] [2024-11-13 15:14:20,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:14:20,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:14:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:20,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:14:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:20,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:20,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:14:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:20,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:14:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:20,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:14:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:20,723 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:14:20,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:14:20,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74959342] [2024-11-13 15:14:20,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74959342] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:14:20,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625748973] [2024-11-13 15:14:20,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:14:20,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:14:20,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:14:20,727 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:14:20,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 15:14:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:20,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 15:14:20,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:14:20,968 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 15:14:20,968 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:14:21,609 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:14:21,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625748973] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:14:21,610 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:14:21,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 13] total 28 [2024-11-13 15:14:21,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246331721] [2024-11-13 15:14:21,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:14:21,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-13 15:14:21,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:14:21,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-13 15:14:21,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2024-11-13 15:14:21,613 INFO L87 Difference]: Start difference. First operand 380 states and 579 transitions. Second operand has 28 states, 26 states have (on average 2.9615384615384617) internal successors, (77), 23 states have internal predecessors, (77), 14 states have call successors, (15), 4 states have call predecessors, (15), 8 states have return successors, (14), 8 states have call predecessors, (14), 12 states have call successors, (14) [2024-11-13 15:14:22,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:14:22,552 INFO L93 Difference]: Finished difference Result 1032 states and 1755 transitions. [2024-11-13 15:14:22,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-13 15:14:22,553 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 26 states have (on average 2.9615384615384617) internal successors, (77), 23 states have internal predecessors, (77), 14 states have call successors, (15), 4 states have call predecessors, (15), 8 states have return successors, (14), 8 states have call predecessors, (14), 12 states have call successors, (14) Word has length 48 [2024-11-13 15:14:22,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:14:22,559 INFO L225 Difference]: With dead ends: 1032 [2024-11-13 15:14:22,560 INFO L226 Difference]: Without dead ends: 678 [2024-11-13 15:14:22,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 90 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 364 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=273, Invalid=1619, Unknown=0, NotChecked=0, Total=1892 [2024-11-13 15:14:22,567 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 155 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:14:22,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 189 Invalid, 608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 15:14:22,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2024-11-13 15:14:22,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 644. [2024-11-13 15:14:22,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 498 states have (on average 1.1907630522088353) internal successors, (593), 508 states have internal predecessors, (593), 91 states have call successors, (91), 52 states have call predecessors, (91), 49 states have return successors, (238), 83 states have call predecessors, (238), 70 states have call successors, (238) [2024-11-13 15:14:22,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 922 transitions. [2024-11-13 15:14:22,678 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 922 transitions. Word has length 48 [2024-11-13 15:14:22,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:14:22,678 INFO L471 AbstractCegarLoop]: Abstraction has 644 states and 922 transitions. [2024-11-13 15:14:22,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 26 states have (on average 2.9615384615384617) internal successors, (77), 23 states have internal predecessors, (77), 14 states have call successors, (15), 4 states have call predecessors, (15), 8 states have return successors, (14), 8 states have call predecessors, (14), 12 states have call successors, (14) [2024-11-13 15:14:22,679 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 922 transitions. [2024-11-13 15:14:22,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-13 15:14:22,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:14:22,682 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:14:22,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 15:14:22,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:14:22,883 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:14:22,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:14:22,884 INFO L85 PathProgramCache]: Analyzing trace with hash 220460964, now seen corresponding path program 3 times [2024-11-13 15:14:22,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:14:22,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536756823] [2024-11-13 15:14:22,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:14:22,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:14:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:23,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:14:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:23,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:23,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:14:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:23,789 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 2 proven. 262 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 15:14:23,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:14:23,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536756823] [2024-11-13 15:14:23,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536756823] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:14:23,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091940769] [2024-11-13 15:14:23,789 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 15:14:23,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:14:23,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:14:23,792 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:14:23,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 15:14:23,865 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-13 15:14:23,866 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:14:23,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 15:14:23,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:14:24,067 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 25 proven. 3 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2024-11-13 15:14:24,069 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:14:24,435 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2024-11-13 15:14:24,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091940769] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:14:24,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:14:24,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 9, 10] total 39 [2024-11-13 15:14:24,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93885081] [2024-11-13 15:14:24,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:14:24,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-13 15:14:24,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:14:24,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-13 15:14:24,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=1251, Unknown=0, NotChecked=0, Total=1482 [2024-11-13 15:14:24,439 INFO L87 Difference]: Start difference. First operand 644 states and 922 transitions. Second operand has 39 states, 37 states have (on average 2.4594594594594597) internal successors, (91), 25 states have internal predecessors, (91), 18 states have call successors, (21), 15 states have call predecessors, (21), 5 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-13 15:14:26,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:14:26,268 INFO L93 Difference]: Finished difference Result 879 states and 1129 transitions. [2024-11-13 15:14:26,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-13 15:14:26,268 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 37 states have (on average 2.4594594594594597) internal successors, (91), 25 states have internal predecessors, (91), 18 states have call successors, (21), 15 states have call predecessors, (21), 5 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) Word has length 78 [2024-11-13 15:14:26,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:14:26,276 INFO L225 Difference]: With dead ends: 879 [2024-11-13 15:14:26,276 INFO L226 Difference]: Without dead ends: 713 [2024-11-13 15:14:26,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 150 SyntacticMatches, 3 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1139 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=803, Invalid=3889, Unknown=0, NotChecked=0, Total=4692 [2024-11-13 15:14:26,280 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 1031 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1037 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 15:14:26,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1037 Valid, 86 Invalid, 808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 15:14:26,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2024-11-13 15:14:26,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 667. [2024-11-13 15:14:26,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 521 states have (on average 1.1880998080614202) internal successors, (619), 521 states have internal predecessors, (619), 90 states have call successors, (90), 61 states have call predecessors, (90), 50 states have return successors, (222), 84 states have call predecessors, (222), 70 states have call successors, (222) [2024-11-13 15:14:26,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 931 transitions. [2024-11-13 15:14:26,398 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 931 transitions. Word has length 78 [2024-11-13 15:14:26,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:14:26,399 INFO L471 AbstractCegarLoop]: Abstraction has 667 states and 931 transitions. [2024-11-13 15:14:26,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 37 states have (on average 2.4594594594594597) internal successors, (91), 25 states have internal predecessors, (91), 18 states have call successors, (21), 15 states have call predecessors, (21), 5 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-13 15:14:26,400 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 931 transitions. [2024-11-13 15:14:26,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-13 15:14:26,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:14:26,405 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2024-11-13 15:14:26,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 15:14:26,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-13 15:14:26,613 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:14:26,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:14:26,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1229352162, now seen corresponding path program 3 times [2024-11-13 15:14:26,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:14:26,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414118322] [2024-11-13 15:14:26,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:14:26,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:14:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:27,667 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:14:27,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:14:27,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414118322] [2024-11-13 15:14:27,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414118322] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:14:27,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35871594] [2024-11-13 15:14:27,669 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 15:14:27,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:14:27,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:14:27,671 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:14:27,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 15:14:27,810 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-13 15:14:27,810 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:14:27,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-13 15:14:27,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:14:28,052 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:14:28,052 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:14:28,949 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:14:28,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35871594] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:14:28,950 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:14:28,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 47 [2024-11-13 15:14:28,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692805387] [2024-11-13 15:14:28,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:14:28,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-13 15:14:28,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:14:28,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-13 15:14:28,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=599, Invalid=1657, Unknown=0, NotChecked=0, Total=2256 [2024-11-13 15:14:28,953 INFO L87 Difference]: Start difference. First operand 667 states and 931 transitions. Second operand has 48 states, 47 states have (on average 2.9148936170212765) internal successors, (137), 48 states have internal predecessors, (137), 23 states have call successors, (23), 23 states have call predecessors, (23), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:14:32,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:14:32,223 INFO L93 Difference]: Finished difference Result 5814 states and 8063 transitions. [2024-11-13 15:14:32,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-13 15:14:32,224 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 2.9148936170212765) internal successors, (137), 48 states have internal predecessors, (137), 23 states have call successors, (23), 23 states have call predecessors, (23), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-11-13 15:14:32,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:14:32,271 INFO L225 Difference]: With dead ends: 5814 [2024-11-13 15:14:32,271 INFO L226 Difference]: Without dead ends: 5733 [2024-11-13 15:14:32,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1048 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1382, Invalid=3448, Unknown=0, NotChecked=0, Total=4830 [2024-11-13 15:14:32,278 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 906 mSDsluCounter, 722 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 906 SdHoareTripleChecker+Valid, 769 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:14:32,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [906 Valid, 769 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 15:14:32,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5733 states. [2024-11-13 15:14:32,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5733 to 1256. [2024-11-13 15:14:32,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1256 states, 965 states have (on average 1.1398963730569949) internal successors, (1100), 964 states have internal predecessors, (1100), 198 states have call successors, (198), 121 states have call predecessors, (198), 87 states have return successors, (1183), 170 states have call predecessors, (1183), 154 states have call successors, (1183) [2024-11-13 15:14:32,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 2481 transitions. [2024-11-13 15:14:32,603 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 2481 transitions. Word has length 78 [2024-11-13 15:14:32,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:14:32,603 INFO L471 AbstractCegarLoop]: Abstraction has 1256 states and 2481 transitions. [2024-11-13 15:14:32,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 2.9148936170212765) internal successors, (137), 48 states have internal predecessors, (137), 23 states have call successors, (23), 23 states have call predecessors, (23), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:14:32,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 2481 transitions. [2024-11-13 15:14:32,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-13 15:14:32,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:14:32,616 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:14:32,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 15:14:32,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-13 15:14:32,817 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:14:32,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:14:32,818 INFO L85 PathProgramCache]: Analyzing trace with hash 9934441, now seen corresponding path program 4 times [2024-11-13 15:14:32,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:14:32,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732428499] [2024-11-13 15:14:32,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:14:32,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:14:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:33,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:14:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:33,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:33,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:33,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:14:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:33,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:14:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:33,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:33,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:14:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:33,948 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 15 proven. 356 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-13 15:14:33,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:14:33,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732428499] [2024-11-13 15:14:33,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732428499] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:14:33,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719509035] [2024-11-13 15:14:33,948 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 15:14:33,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:14:33,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:14:33,951 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:14:33,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 15:14:34,056 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 15:14:34,056 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:14:34,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 15:14:34,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:14:34,311 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 81 proven. 53 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2024-11-13 15:14:34,311 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:14:34,700 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 81 proven. 61 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-13 15:14:34,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719509035] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:14:34,701 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:14:34,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 11, 13] total 45 [2024-11-13 15:14:34,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440596517] [2024-11-13 15:14:34,702 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:14:34,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-11-13 15:14:34,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:14:34,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-11-13 15:14:34,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=293, Invalid=1687, Unknown=0, NotChecked=0, Total=1980 [2024-11-13 15:14:34,707 INFO L87 Difference]: Start difference. First operand 1256 states and 2481 transitions. Second operand has 45 states, 43 states have (on average 2.5348837209302326) internal successors, (109), 28 states have internal predecessors, (109), 23 states have call successors, (29), 17 states have call predecessors, (29), 6 states have return successors, (14), 9 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-13 15:14:36,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:14:36,004 INFO L93 Difference]: Finished difference Result 2311 states and 5079 transitions. [2024-11-13 15:14:36,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-13 15:14:36,005 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 43 states have (on average 2.5348837209302326) internal successors, (109), 28 states have internal predecessors, (109), 23 states have call successors, (29), 17 states have call predecessors, (29), 6 states have return successors, (14), 9 states have call predecessors, (14), 8 states have call successors, (14) Word has length 115 [2024-11-13 15:14:36,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:14:36,019 INFO L225 Difference]: With dead ends: 2311 [2024-11-13 15:14:36,019 INFO L226 Difference]: Without dead ends: 1090 [2024-11-13 15:14:36,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 964 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=593, Invalid=3313, Unknown=0, NotChecked=0, Total=3906 [2024-11-13 15:14:36,038 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 171 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:14:36,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 208 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 722 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 15:14:36,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2024-11-13 15:14:36,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 957. [2024-11-13 15:14:36,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 957 states, 733 states have (on average 1.1077762619372442) internal successors, (812), 716 states have internal predecessors, (812), 124 states have call successors, (124), 94 states have call predecessors, (124), 95 states have return successors, (495), 146 states have call predecessors, (495), 123 states have call successors, (495) [2024-11-13 15:14:36,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 957 states and 1431 transitions. [2024-11-13 15:14:36,254 INFO L78 Accepts]: Start accepts. Automaton has 957 states and 1431 transitions. Word has length 115 [2024-11-13 15:14:36,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:14:36,254 INFO L471 AbstractCegarLoop]: Abstraction has 957 states and 1431 transitions. [2024-11-13 15:14:36,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 43 states have (on average 2.5348837209302326) internal successors, (109), 28 states have internal predecessors, (109), 23 states have call successors, (29), 17 states have call predecessors, (29), 6 states have return successors, (14), 9 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-13 15:14:36,255 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1431 transitions. [2024-11-13 15:14:36,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-13 15:14:36,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:14:36,258 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:14:36,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-13 15:14:36,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-13 15:14:36,463 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:14:36,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:14:36,463 INFO L85 PathProgramCache]: Analyzing trace with hash 542836559, now seen corresponding path program 2 times [2024-11-13 15:14:36,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:14:36,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460716517] [2024-11-13 15:14:36,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:14:36,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:14:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:36,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:14:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:36,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:36,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:36,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:36,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:14:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:36,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:14:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:36,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:36,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:14:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:36,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:14:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:36,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:36,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:36,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:14:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:36,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:14:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:36,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:36,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:14:36,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:36,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 15:14:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:36,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:14:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:36,755 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2024-11-13 15:14:36,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:14:36,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460716517] [2024-11-13 15:14:36,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460716517] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:14:36,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190199448] [2024-11-13 15:14:36,756 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:14:36,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:14:36,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:14:36,758 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:14:36,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-13 15:14:36,911 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 15:14:36,911 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:14:36,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:14:36,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:14:36,973 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2024-11-13 15:14:36,974 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:14:36,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190199448] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:14:36,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:14:36,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2024-11-13 15:14:36,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261478326] [2024-11-13 15:14:36,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:14:36,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:14:36,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:14:36,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:14:36,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:14:36,977 INFO L87 Difference]: Start difference. First operand 957 states and 1431 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 15:14:37,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:14:37,118 INFO L93 Difference]: Finished difference Result 957 states and 1431 transitions. [2024-11-13 15:14:37,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:14:37,119 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 144 [2024-11-13 15:14:37,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:14:37,128 INFO L225 Difference]: With dead ends: 957 [2024-11-13 15:14:37,129 INFO L226 Difference]: Without dead ends: 955 [2024-11-13 15:14:37,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:14:37,132 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 3 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:14:37,132 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 118 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:14:37,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2024-11-13 15:14:37,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 955. [2024-11-13 15:14:37,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 955 states, 733 states have (on average 1.0750341064120055) internal successors, (788), 714 states have internal predecessors, (788), 124 states have call successors, (124), 94 states have call predecessors, (124), 95 states have return successors, (495), 146 states have call predecessors, (495), 123 states have call successors, (495) [2024-11-13 15:14:37,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1407 transitions. [2024-11-13 15:14:37,273 INFO L78 Accepts]: Start accepts. Automaton has 955 states and 1407 transitions. Word has length 144 [2024-11-13 15:14:37,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:14:37,274 INFO L471 AbstractCegarLoop]: Abstraction has 955 states and 1407 transitions. [2024-11-13 15:14:37,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 15:14:37,274 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1407 transitions. [2024-11-13 15:14:37,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-13 15:14:37,279 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:14:37,279 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:14:37,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-13 15:14:37,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-13 15:14:37,482 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:14:37,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:14:37,482 INFO L85 PathProgramCache]: Analyzing trace with hash -351935791, now seen corresponding path program 1 times [2024-11-13 15:14:37,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:14:37,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677834926] [2024-11-13 15:14:37,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:14:37,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:14:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:37,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:14:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:37,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:37,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:37,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:37,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:14:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:37,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:14:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:37,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:37,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:14:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:37,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:14:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:37,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:37,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:37,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:14:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:37,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:14:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:37,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:37,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:14:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:37,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 15:14:37,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:37,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:14:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:37,769 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2024-11-13 15:14:37,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:14:37,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677834926] [2024-11-13 15:14:37,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677834926] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:14:37,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125826185] [2024-11-13 15:14:37,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:14:37,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:14:37,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:14:37,772 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:14:37,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-13 15:14:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:37,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:14:37,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:14:37,970 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2024-11-13 15:14:37,971 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:14:38,331 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2024-11-13 15:14:38,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125826185] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:14:38,331 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:14:38,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 13 [2024-11-13 15:14:38,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773018880] [2024-11-13 15:14:38,332 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:14:38,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 15:14:38,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:14:38,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 15:14:38,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-13 15:14:38,333 INFO L87 Difference]: Start difference. First operand 955 states and 1407 transitions. Second operand has 14 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 1 states have call successors, (8), 2 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-13 15:14:38,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:14:38,735 INFO L93 Difference]: Finished difference Result 1178 states and 1690 transitions. [2024-11-13 15:14:38,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:14:38,736 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 1 states have call successors, (8), 2 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 1 states have call successors, (8) Word has length 145 [2024-11-13 15:14:38,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:14:38,745 INFO L225 Difference]: With dead ends: 1178 [2024-11-13 15:14:38,745 INFO L226 Difference]: Without dead ends: 1113 [2024-11-13 15:14:38,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2024-11-13 15:14:38,748 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 75 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:14:38,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 166 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:14:38,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2024-11-13 15:14:38,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 1113. [2024-11-13 15:14:38,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1113 states, 868 states have (on average 1.0460829493087558) internal successors, (908), 845 states have internal predecessors, (908), 124 states have call successors, (124), 94 states have call predecessors, (124), 119 states have return successors, (522), 173 states have call predecessors, (522), 123 states have call successors, (522) [2024-11-13 15:14:38,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1554 transitions. [2024-11-13 15:14:38,927 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1554 transitions. Word has length 145 [2024-11-13 15:14:38,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:14:38,928 INFO L471 AbstractCegarLoop]: Abstraction has 1113 states and 1554 transitions. [2024-11-13 15:14:38,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 1 states have call successors, (8), 2 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-13 15:14:38,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1554 transitions. [2024-11-13 15:14:38,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-13 15:14:38,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:14:38,936 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:14:38,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-13 15:14:39,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-13 15:14:39,137 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:14:39,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:14:39,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1805318483, now seen corresponding path program 2 times [2024-11-13 15:14:39,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:14:39,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018810603] [2024-11-13 15:14:39,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:14:39,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:14:39,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:39,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:14:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:39,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:39,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:39,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:39,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:14:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:39,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:14:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:39,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:39,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:14:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:39,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:14:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:39,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:39,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:39,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:14:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:39,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:14:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:39,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:14:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:39,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:14:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:39,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 15:14:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:39,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:14:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:39,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:14:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:39,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:14:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:39,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:14:39,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:39,778 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 5 proven. 62 refuted. 0 times theorem prover too weak. 643 trivial. 0 not checked. [2024-11-13 15:14:39,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:14:39,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018810603] [2024-11-13 15:14:39,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018810603] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:14:39,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835475511] [2024-11-13 15:14:39,779 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:14:39,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:14:39,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:14:39,782 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:14:39,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-13 15:14:39,936 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 15:14:39,937 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:14:39,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 15:14:39,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:14:40,407 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 97 proven. 236 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-11-13 15:14:40,407 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:14:42,617 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 97 proven. 285 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-11-13 15:14:42,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835475511] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:14:42,618 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:14:42,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16, 23] total 41 [2024-11-13 15:14:42,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617596861] [2024-11-13 15:14:42,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:14:42,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-13 15:14:42,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:14:42,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-13 15:14:42,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=1471, Unknown=0, NotChecked=0, Total=1640 [2024-11-13 15:14:42,622 INFO L87 Difference]: Start difference. First operand 1113 states and 1554 transitions. Second operand has 41 states, 39 states have (on average 3.769230769230769) internal successors, (147), 36 states have internal predecessors, (147), 18 states have call successors, (25), 4 states have call predecessors, (25), 16 states have return successors, (30), 17 states have call predecessors, (30), 16 states have call successors, (30) [2024-11-13 15:14:44,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:14:44,202 INFO L93 Difference]: Finished difference Result 1849 states and 2775 transitions. [2024-11-13 15:14:44,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-13 15:14:44,203 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 39 states have (on average 3.769230769230769) internal successors, (147), 36 states have internal predecessors, (147), 18 states have call successors, (25), 4 states have call predecessors, (25), 16 states have return successors, (30), 17 states have call predecessors, (30), 16 states have call successors, (30) Word has length 181 [2024-11-13 15:14:44,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:14:44,213 INFO L225 Difference]: With dead ends: 1849 [2024-11-13 15:14:44,213 INFO L226 Difference]: Without dead ends: 1296 [2024-11-13 15:14:44,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 365 SyntacticMatches, 8 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1242 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=646, Invalid=4046, Unknown=0, NotChecked=0, Total=4692 [2024-11-13 15:14:44,218 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 354 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:14:44,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 170 Invalid, 881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 15:14:44,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2024-11-13 15:14:44,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1230. [2024-11-13 15:14:44,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1230 states, 953 states have (on average 1.0409233997901364) internal successors, (992), 929 states have internal predecessors, (992), 142 states have call successors, (142), 94 states have call predecessors, (142), 133 states have return successors, (660), 206 states have call predecessors, (660), 131 states have call successors, (660) [2024-11-13 15:14:44,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1230 states and 1794 transitions. [2024-11-13 15:14:44,411 INFO L78 Accepts]: Start accepts. Automaton has 1230 states and 1794 transitions. Word has length 181 [2024-11-13 15:14:44,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:14:44,412 INFO L471 AbstractCegarLoop]: Abstraction has 1230 states and 1794 transitions. [2024-11-13 15:14:44,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 39 states have (on average 3.769230769230769) internal successors, (147), 36 states have internal predecessors, (147), 18 states have call successors, (25), 4 states have call predecessors, (25), 16 states have return successors, (30), 17 states have call predecessors, (30), 16 states have call successors, (30) [2024-11-13 15:14:44,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1794 transitions. [2024-11-13 15:14:44,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-13 15:14:44,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:14:44,419 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1] [2024-11-13 15:14:44,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-13 15:14:44,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:14:44,620 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:14:44,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:14:44,621 INFO L85 PathProgramCache]: Analyzing trace with hash -515525282, now seen corresponding path program 4 times [2024-11-13 15:14:44,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:14:44,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406635108] [2024-11-13 15:14:44,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:14:44,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:14:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:47,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:14:47,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:14:47,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406635108] [2024-11-13 15:14:47,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406635108] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:14:47,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30812240] [2024-11-13 15:14:47,401 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 15:14:47,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:14:47,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:14:47,403 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:14:47,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-13 15:14:47,628 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 15:14:47,629 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:14:47,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 93 conjuncts are in the unsatisfiable core [2024-11-13 15:14:47,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:14:47,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:14:47,993 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:14:50,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:14:50,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30812240] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:14:50,398 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:14:50,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 95 [2024-11-13 15:14:50,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614860810] [2024-11-13 15:14:50,399 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:14:50,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-13 15:14:50,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:14:50,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-13 15:14:50,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2351, Invalid=6769, Unknown=0, NotChecked=0, Total=9120 [2024-11-13 15:14:50,408 INFO L87 Difference]: Start difference. First operand 1230 states and 1794 transitions. Second operand has 96 states, 95 states have (on average 2.957894736842105) internal successors, (281), 96 states have internal predecessors, (281), 47 states have call successors, (47), 47 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:14:57,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:14:57,239 INFO L93 Difference]: Finished difference Result 5679 states and 9178 transitions. [2024-11-13 15:14:57,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-13 15:14:57,239 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 2.957894736842105) internal successors, (281), 96 states have internal predecessors, (281), 47 states have call successors, (47), 47 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 162 [2024-11-13 15:14:57,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:14:57,286 INFO L225 Difference]: With dead ends: 5679 [2024-11-13 15:14:57,286 INFO L226 Difference]: Without dead ends: 5678 [2024-11-13 15:14:57,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4408 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=5642, Invalid=14380, Unknown=0, NotChecked=0, Total=20022 [2024-11-13 15:14:57,297 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 1147 mSDsluCounter, 1650 mSDsCounter, 0 mSdLazyCounter, 1161 mSolverCounterSat, 291 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1147 SdHoareTripleChecker+Valid, 1780 SdHoareTripleChecker+Invalid, 1452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 291 IncrementalHoareTripleChecker+Valid, 1161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:14:57,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1147 Valid, 1780 Invalid, 1452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [291 Valid, 1161 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-13 15:14:57,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5678 states. [2024-11-13 15:14:57,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5678 to 2262. [2024-11-13 15:14:57,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2262 states, 1697 states have (on average 1.0371243370654095) internal successors, (1760), 1649 states have internal predecessors, (1760), 310 states have call successors, (310), 190 states have call predecessors, (310), 253 states have return successors, (3468), 422 states have call predecessors, (3468), 287 states have call successors, (3468) [2024-11-13 15:14:57,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 2262 states and 5538 transitions. [2024-11-13 15:14:57,707 INFO L78 Accepts]: Start accepts. Automaton has 2262 states and 5538 transitions. Word has length 162 [2024-11-13 15:14:57,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:14:57,708 INFO L471 AbstractCegarLoop]: Abstraction has 2262 states and 5538 transitions. [2024-11-13 15:14:57,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 2.957894736842105) internal successors, (281), 96 states have internal predecessors, (281), 47 states have call successors, (47), 47 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:14:57,708 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 5538 transitions. [2024-11-13 15:14:57,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-11-13 15:14:57,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:14:57,758 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 46, 46, 1, 1, 1, 1, 1] [2024-11-13 15:14:57,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-13 15:14:57,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:14:57,962 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:14:57,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:14:57,963 INFO L85 PathProgramCache]: Analyzing trace with hash 727783902, now seen corresponding path program 5 times [2024-11-13 15:14:57,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:14:57,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832280668] [2024-11-13 15:14:57,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:14:57,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:14:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:15:08,067 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 7429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:15:08,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:15:08,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832280668] [2024-11-13 15:15:08,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832280668] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:15:08,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357763379] [2024-11-13 15:15:08,068 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-13 15:15:08,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:15:08,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:15:08,070 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:15:08,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-13 15:15:08,741 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-13 15:15:08,741 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:15:08,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 1388 conjuncts, 189 conjuncts are in the unsatisfiable core [2024-11-13 15:15:08,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:15:09,332 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 7429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:15:09,333 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:15:18,013 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 7429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:15:18,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357763379] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:15:18,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:15:18,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 191 [2024-11-13 15:15:18,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982606787] [2024-11-13 15:15:18,013 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:15:18,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2024-11-13 15:15:18,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:15:18,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2024-11-13 15:15:18,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9311, Invalid=27361, Unknown=0, NotChecked=0, Total=36672 [2024-11-13 15:15:18,026 INFO L87 Difference]: Start difference. First operand 2262 states and 5538 transitions. Second operand has 192 states, 191 states have (on average 2.979057591623037) internal successors, (569), 192 states have internal predecessors, (569), 95 states have call successors, (95), 95 states have call predecessors, (95), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:16:58,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:16:58,826 INFO L93 Difference]: Finished difference Result 17991 states and 35686 transitions. [2024-11-13 15:16:58,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2024-11-13 15:16:58,827 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 2.979057591623037) internal successors, (569), 192 states have internal predecessors, (569), 95 states have call successors, (95), 95 states have call predecessors, (95), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 330 [2024-11-13 15:16:58,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:16:58,959 INFO L225 Difference]: With dead ends: 17991 [2024-11-13 15:16:58,959 INFO L226 Difference]: Without dead ends: 17990 [2024-11-13 15:16:58,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 894 GetRequests, 610 SyntacticMatches, 0 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18040 ImplicationChecksByTransitivity, 16.8s TimeCoverageRelationStatistics Valid=22802, Invalid=58708, Unknown=0, NotChecked=0, Total=81510 [2024-11-13 15:16:58,984 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 3129 mSDsluCounter, 3105 mSDsCounter, 0 mSdLazyCounter, 3434 mSolverCounterSat, 832 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3129 SdHoareTripleChecker+Valid, 3347 SdHoareTripleChecker+Invalid, 4266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 832 IncrementalHoareTripleChecker+Valid, 3434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:16:58,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3129 Valid, 3347 Invalid, 4266 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [832 Valid, 3434 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-11-13 15:16:59,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17990 states. [2024-11-13 15:17:00,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17990 to 4326. [2024-11-13 15:17:00,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4326 states, 3185 states have (on average 1.034850863422292) internal successors, (3296), 3089 states have internal predecessors, (3296), 646 states have call successors, (646), 382 states have call predecessors, (646), 493 states have return successors, (17280), 854 states have call predecessors, (17280), 599 states have call successors, (17280) [2024-11-13 15:17:00,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4326 states to 4326 states and 21222 transitions. [2024-11-13 15:17:00,303 INFO L78 Accepts]: Start accepts. Automaton has 4326 states and 21222 transitions. Word has length 330 [2024-11-13 15:17:00,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:17:00,305 INFO L471 AbstractCegarLoop]: Abstraction has 4326 states and 21222 transitions. [2024-11-13 15:17:00,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 2.979057591623037) internal successors, (569), 192 states have internal predecessors, (569), 95 states have call successors, (95), 95 states have call predecessors, (95), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:17:00,306 INFO L276 IsEmpty]: Start isEmpty. Operand 4326 states and 21222 transitions. [2024-11-13 15:17:00,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 578 [2024-11-13 15:17:00,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:17:00,357 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:17:00,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-13 15:17:00,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:17:00,558 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:17:00,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:17:00,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1320069295, now seen corresponding path program 3 times [2024-11-13 15:17:00,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:17:00,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813255708] [2024-11-13 15:17:00,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:17:00,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:17:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:00,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:17:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:17:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 15:17:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:17:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-13 15:17:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:17:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:01,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 15:17:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:17:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2024-11-13 15:17:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:17:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:17:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:17:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:17:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:17:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:01,787 INFO L134 CoverageAnalysis]: Checked inductivity of 11714 backedges. 6 proven. 95 refuted. 0 times theorem prover too weak. 11613 trivial. 0 not checked. [2024-11-13 15:17:01,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:17:01,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813255708] [2024-11-13 15:17:01,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813255708] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:17:01,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648848914] [2024-11-13 15:17:01,788 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 15:17:01,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:17:01,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:17:01,790 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:17:01,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-13 15:17:01,971 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-13 15:17:01,971 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:17:01,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 15:17:01,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:17:02,089 INFO L134 CoverageAnalysis]: Checked inductivity of 11714 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 11619 trivial. 0 not checked. [2024-11-13 15:17:02,089 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:17:03,990 INFO L134 CoverageAnalysis]: Checked inductivity of 11714 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 11619 trivial. 0 not checked. [2024-11-13 15:17:03,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648848914] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:17:03,990 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:17:03,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 13] total 29 [2024-11-13 15:17:03,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92305390] [2024-11-13 15:17:03,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:17:03,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-13 15:17:03,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:17:03,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-13 15:17:03,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=657, Unknown=0, NotChecked=0, Total=870 [2024-11-13 15:17:03,998 INFO L87 Difference]: Start difference. First operand 4326 states and 21222 transitions. Second operand has 30 states, 29 states have (on average 3.310344827586207) internal successors, (96), 29 states have internal predecessors, (96), 1 states have call successors, (8), 2 states have call predecessors, (8), 14 states have return successors, (16), 14 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-13 15:17:04,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:17:04,801 INFO L93 Difference]: Finished difference Result 4887 states and 21866 transitions. [2024-11-13 15:17:04,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-13 15:17:04,802 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 3.310344827586207) internal successors, (96), 29 states have internal predecessors, (96), 1 states have call successors, (8), 2 states have call predecessors, (8), 14 states have return successors, (16), 14 states have call predecessors, (16), 1 states have call successors, (16) Word has length 577 [2024-11-13 15:17:04,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:17:04,945 INFO L225 Difference]: With dead ends: 4887 [2024-11-13 15:17:04,945 INFO L226 Difference]: Without dead ends: 4470 [2024-11-13 15:17:04,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1329 GetRequests, 1276 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1019 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=614, Invalid=2356, Unknown=0, NotChecked=0, Total=2970 [2024-11-13 15:17:04,961 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 171 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:17:04,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 206 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:17:04,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4470 states. [2024-11-13 15:17:06,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4470 to 4470. [2024-11-13 15:17:06,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4470 states, 3312 states have (on average 1.0320048309178744) internal successors, (3418), 3211 states have internal predecessors, (3418), 646 states have call successors, (646), 382 states have call predecessors, (646), 510 states have return successors, (17302), 876 states have call predecessors, (17302), 599 states have call successors, (17302) [2024-11-13 15:17:06,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4470 states to 4470 states and 21366 transitions. [2024-11-13 15:17:06,340 INFO L78 Accepts]: Start accepts. Automaton has 4470 states and 21366 transitions. Word has length 577 [2024-11-13 15:17:06,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:17:06,341 INFO L471 AbstractCegarLoop]: Abstraction has 4470 states and 21366 transitions. [2024-11-13 15:17:06,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 3.310344827586207) internal successors, (96), 29 states have internal predecessors, (96), 1 states have call successors, (8), 2 states have call predecessors, (8), 14 states have return successors, (16), 14 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-13 15:17:06,345 INFO L276 IsEmpty]: Start isEmpty. Operand 4470 states and 21366 transitions. [2024-11-13 15:17:06,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 722 [2024-11-13 15:17:06,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:17:06,419 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 26, 25, 25, 25, 25, 13, 13, 13, 13, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:17:06,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-13 15:17:06,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:17:06,620 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:17:06,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:17:06,620 INFO L85 PathProgramCache]: Analyzing trace with hash 94149011, now seen corresponding path program 4 times [2024-11-13 15:17:06,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:17:06,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807344505] [2024-11-13 15:17:06,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:17:06,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:17:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:17:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:17:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 15:17:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:17:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-13 15:17:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:17:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 15:17:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:17:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:07,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2024-11-13 15:17:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:08,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:17:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:08,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:17:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:08,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:17:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:08,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:17:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:08,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:17:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:08,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:17:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:08,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:17:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:08,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:17:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:08,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:17:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:08,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:17:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:09,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:17:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:09,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:17:09,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:09,131 INFO L134 CoverageAnalysis]: Checked inductivity of 13604 backedges. 25 proven. 522 refuted. 0 times theorem prover too weak. 13057 trivial. 0 not checked. [2024-11-13 15:17:09,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:17:09,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807344505] [2024-11-13 15:17:09,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807344505] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:17:09,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740557754] [2024-11-13 15:17:09,132 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 15:17:09,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:17:09,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:17:09,134 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:17:09,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-13 15:17:09,501 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 15:17:09,501 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:17:09,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 1769 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-13 15:17:09,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:17:11,133 INFO L134 CoverageAnalysis]: Checked inductivity of 13604 backedges. 1158 proven. 2686 refuted. 0 times theorem prover too weak. 9760 trivial. 0 not checked. [2024-11-13 15:17:11,133 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:17:25,976 INFO L134 CoverageAnalysis]: Checked inductivity of 13604 backedges. 1158 proven. 3027 refuted. 0 times theorem prover too weak. 9419 trivial. 0 not checked. [2024-11-13 15:17:25,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740557754] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:17:25,977 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:17:25,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 50, 67] total 125 [2024-11-13 15:17:25,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557816398] [2024-11-13 15:17:25,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:17:25,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 125 states [2024-11-13 15:17:25,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:17:25,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2024-11-13 15:17:25,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1473, Invalid=14027, Unknown=0, NotChecked=0, Total=15500 [2024-11-13 15:17:25,984 INFO L87 Difference]: Start difference. First operand 4470 states and 21366 transitions. Second operand has 125 states, 123 states have (on average 3.16260162601626) internal successors, (389), 96 states have internal predecessors, (389), 54 states have call successors, (61), 28 states have call predecessors, (61), 34 states have return successors, (60), 35 states have call predecessors, (60), 28 states have call successors, (60) [2024-11-13 15:17:37,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:17:37,035 INFO L93 Difference]: Finished difference Result 6820 states and 37187 transitions. [2024-11-13 15:17:37,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2024-11-13 15:17:37,037 INFO L78 Accepts]: Start accepts. Automaton has has 125 states, 123 states have (on average 3.16260162601626) internal successors, (389), 96 states have internal predecessors, (389), 54 states have call successors, (61), 28 states have call predecessors, (61), 34 states have return successors, (60), 35 states have call predecessors, (60), 28 states have call successors, (60) Word has length 721 [2024-11-13 15:17:37,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:17:37,355 INFO L225 Difference]: With dead ends: 6820 [2024-11-13 15:17:37,355 INFO L226 Difference]: Without dead ends: 6176 [2024-11-13 15:17:37,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1782 GetRequests, 1479 SyntacticMatches, 18 SemanticMatches, 285 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27397 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=12303, Invalid=69779, Unknown=0, NotChecked=0, Total=82082 [2024-11-13 15:17:37,391 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 1662 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 10259 mSolverCounterSat, 537 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1672 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 10796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 537 IncrementalHoareTripleChecker+Valid, 10259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:17:37,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1672 Valid, 373 Invalid, 10796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [537 Valid, 10259 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-13 15:17:37,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6176 states. [2024-11-13 15:17:39,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6176 to 5468. [2024-11-13 15:17:39,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5468 states, 4013 states have (on average 1.0294044355843508) internal successors, (4131), 3906 states have internal predecessors, (4131), 808 states have call successors, (808), 395 states have call predecessors, (808), 645 states have return successors, (28341), 1166 states have call predecessors, (28341), 760 states have call successors, (28341) [2024-11-13 15:17:39,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5468 states to 5468 states and 33280 transitions. [2024-11-13 15:17:39,326 INFO L78 Accepts]: Start accepts. Automaton has 5468 states and 33280 transitions. Word has length 721 [2024-11-13 15:17:39,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:17:39,327 INFO L471 AbstractCegarLoop]: Abstraction has 5468 states and 33280 transitions. [2024-11-13 15:17:39,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 125 states, 123 states have (on average 3.16260162601626) internal successors, (389), 96 states have internal predecessors, (389), 54 states have call successors, (61), 28 states have call predecessors, (61), 34 states have return successors, (60), 35 states have call predecessors, (60), 28 states have call successors, (60) [2024-11-13 15:17:39,328 INFO L276 IsEmpty]: Start isEmpty. Operand 5468 states and 33280 transitions. [2024-11-13 15:17:39,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1186 [2024-11-13 15:17:39,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:17:39,805 INFO L215 NwaCegarLoop]: trace histogram [127, 127, 64, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 15, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:17:39,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-13 15:17:40,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-13 15:17:40,006 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:17:40,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:17:40,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1874345903, now seen corresponding path program 5 times [2024-11-13 15:17:40,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:17:40,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105968755] [2024-11-13 15:17:40,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:17:40,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:17:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:17:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:41,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:17:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:41,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:41,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 15:17:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:17:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-13 15:17:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:41,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:17:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:42,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 15:17:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:17:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:42,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2024-11-13 15:17:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:17:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 15:17:42,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:17:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-13 15:17:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:17:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 15:17:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:17:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:17:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:17:42,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:17:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1021 [2024-11-13 15:17:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:17:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:42,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:17:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:43,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:17:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:43,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:17:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:43,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:17:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:43,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:17:43,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:43,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:17:43,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:43,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:17:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:43,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:17:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:43,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:17:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:43,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:17:43,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:43,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:17:43,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:43,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:17:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:17:43,767 INFO L134 CoverageAnalysis]: Checked inductivity of 48722 backedges. 14 proven. 611 refuted. 0 times theorem prover too weak. 48097 trivial. 0 not checked. [2024-11-13 15:17:43,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:17:43,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105968755] [2024-11-13 15:17:43,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105968755] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:17:43,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198783190] [2024-11-13 15:17:43,768 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-13 15:17:43,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:17:43,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:17:43,773 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:17:43,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-13 15:17:45,173 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 89 check-sat command(s) [2024-11-13 15:17:45,173 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:17:45,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 3930 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 15:17:45,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:17:45,410 INFO L134 CoverageAnalysis]: Checked inductivity of 48722 backedges. 0 proven. 611 refuted. 0 times theorem prover too weak. 48111 trivial. 0 not checked. [2024-11-13 15:17:45,410 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:17:59,737 INFO L134 CoverageAnalysis]: Checked inductivity of 48722 backedges. 0 proven. 611 refuted. 0 times theorem prover too weak. 48111 trivial. 0 not checked. [2024-11-13 15:17:59,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198783190] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:17:59,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:17:59,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 29, 29] total 61 [2024-11-13 15:17:59,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974025531] [2024-11-13 15:17:59,739 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:17:59,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-11-13 15:17:59,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:17:59,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-11-13 15:17:59,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=933, Invalid=2849, Unknown=0, NotChecked=0, Total=3782 [2024-11-13 15:17:59,743 INFO L87 Difference]: Start difference. First operand 5468 states and 33280 transitions. Second operand has 62 states, 61 states have (on average 3.1475409836065573) internal successors, (192), 61 states have internal predecessors, (192), 1 states have call successors, (8), 2 states have call predecessors, (8), 30 states have return successors, (32), 30 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-13 15:18:01,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:18:01,689 INFO L93 Difference]: Finished difference Result 6966 states and 35002 transitions. [2024-11-13 15:18:01,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-13 15:18:01,691 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 61 states have (on average 3.1475409836065573) internal successors, (192), 61 states have internal predecessors, (192), 1 states have call successors, (8), 2 states have call predecessors, (8), 30 states have return successors, (32), 30 states have call predecessors, (32), 1 states have call successors, (32) Word has length 1185 [2024-11-13 15:18:01,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:18:02,173 INFO L225 Difference]: With dead ends: 6966 [2024-11-13 15:18:02,173 INFO L226 Difference]: Without dead ends: 5214 [2024-11-13 15:18:02,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2737 GetRequests, 2620 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5627 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=2758, Invalid=11284, Unknown=0, NotChecked=0, Total=14042 [2024-11-13 15:18:02,190 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 363 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:18:02,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 206 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:18:02,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5214 states. [2024-11-13 15:18:03,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5214 to 5118. [2024-11-13 15:18:03,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5118 states, 3734 states have (on average 1.0283877878950187) internal successors, (3840), 3633 states have internal predecessors, (3840), 762 states have call successors, (762), 382 states have call predecessors, (762), 620 states have return successors, (28046), 1102 states have call predecessors, (28046), 715 states have call successors, (28046) [2024-11-13 15:18:03,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5118 states to 5118 states and 32648 transitions. [2024-11-13 15:18:03,504 INFO L78 Accepts]: Start accepts. Automaton has 5118 states and 32648 transitions. Word has length 1185 [2024-11-13 15:18:03,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:18:03,506 INFO L471 AbstractCegarLoop]: Abstraction has 5118 states and 32648 transitions. [2024-11-13 15:18:03,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 61 states have (on average 3.1475409836065573) internal successors, (192), 61 states have internal predecessors, (192), 1 states have call successors, (8), 2 states have call predecessors, (8), 30 states have return successors, (32), 30 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-13 15:18:03,507 INFO L276 IsEmpty]: Start isEmpty. Operand 5118 states and 32648 transitions. [2024-11-13 15:18:04,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2024-11-13 15:18:04,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:18:04,047 INFO L215 NwaCegarLoop]: trace histogram [95, 95, 95, 94, 94, 94, 94, 1, 1, 1, 1, 1] [2024-11-13 15:18:04,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-13 15:18:04,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:18:04,248 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:18:04,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:18:04,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1251712290, now seen corresponding path program 6 times [2024-11-13 15:18:04,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:18:04,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676321] [2024-11-13 15:18:04,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:18:04,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:18:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:18:36,863 INFO L134 CoverageAnalysis]: Checked inductivity of 30973 backedges. 0 proven. 30973 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:18:36,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:18:36,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676321] [2024-11-13 15:18:36,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676321] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:18:36,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531458877] [2024-11-13 15:18:36,863 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-13 15:18:36,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:18:36,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:18:36,865 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:18:36,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-13 15:18:38,410 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 92 check-sat command(s) [2024-11-13 15:18:38,410 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:18:38,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 2693 conjuncts, 161 conjuncts are in the unsatisfiable core [2024-11-13 15:18:38,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:19:20,405 WARN L672 sPolynomialRelations]: Constructing 2147483647(two to the power of 31 dual juncts. [2024-11-13 15:19:20,406 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-13 15:19:20,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-13 15:19:20,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:20,608 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.OutOfMemoryError: Requested array size exceeds VM limit at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildCorrespondingFiniteJunctionForAntiDer(DualJunctionTir.java:674) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildBoundConstraint(DualJunctionTir.java:546) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateOne(DualJunctionTir.java:174) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminate(DualJunctionTir.java:149) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:542) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:521) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:514) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:325) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:234) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:195) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:290) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:180) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) [2024-11-13 15:19:20,612 INFO L158 Benchmark]: Toolchain (without parser) took 312833.51ms. Allocated memory was 117.4MB in the beginning and 3.2GB in the end (delta: 3.0GB). Free memory was 92.8MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-13 15:19:20,612 INFO L158 Benchmark]: CDTParser took 1.58ms. Allocated memory is still 83.9MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:19:20,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.98ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 82.1MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:19:20,613 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.36ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 80.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:19:20,614 INFO L158 Benchmark]: Boogie Preprocessor took 51.86ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 80.0MB in the end (delta: 849.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:19:20,614 INFO L158 Benchmark]: RCFGBuilder took 480.75ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 68.7MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:19:20,615 INFO L158 Benchmark]: TraceAbstraction took 311969.91ms. Allocated memory was 117.4MB in the beginning and 3.2GB in the end (delta: 3.0GB). Free memory was 67.9MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-13 15:19:20,617 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.58ms. Allocated memory is still 83.9MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.98ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 82.1MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.36ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 80.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.86ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 80.0MB in the end (delta: 849.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 480.75ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 68.7MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 311969.91ms. Allocated memory was 117.4MB in the beginning and 3.2GB in the end (delta: 3.0GB). Free memory was 67.9MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: OutOfMemoryError: Requested array size exceeds VM limit de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: OutOfMemoryError: Requested array size exceeds VM limit: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildCorrespondingFiniteJunctionForAntiDer(DualJunctionTir.java:674) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 15:19:20,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/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_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive/recHanoi01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/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 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:19:23,400 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:19:23,517 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2024-11-13 15:19:23,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:19:23,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:19:23,584 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:19:23,585 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:19:23,585 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:19:23,586 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:19:23,586 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:19:23,586 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:19:23,586 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:19:23,586 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:19:23,586 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:19:23,586 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:19:23,587 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:19:23,587 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:19:23,587 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:19:23,587 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:19:23,587 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:19:23,587 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:19:23,589 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:19:23,590 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:19:23,590 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 15:19:23,590 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 15:19:23,590 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:19:23,590 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 15:19:23,590 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 15:19:23,590 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:19:23,590 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:19:23,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:19:23,590 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:19:23,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:19:23,591 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:19:23,591 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:19:23,591 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:19:23,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:19:23,591 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:19:23,591 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:19:23,591 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:19:23,591 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 15:19:23,591 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 15:19:23,591 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:19:23,592 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:19:23,592 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:19:23,592 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:19:23,592 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_5a6f3dac-d683-499a-98ce-5485750ce648/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 -> 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 [2024-11-13 15:19:23,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:19:23,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:19:23,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:19:23,923 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:19:23,923 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:19:23,925 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/recursive/recHanoi01.c Unable to find full path for "g++" [2024-11-13 15:19:25,956 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:19:26,266 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:19:26,266 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/sv-benchmarks/c/recursive/recHanoi01.c [2024-11-13 15:19:26,277 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/data/3faf642f4/2453045e781b4392a5f68f168a28bdae/FLAG0b7a9a76e [2024-11-13 15:19:26,304 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/data/3faf642f4/2453045e781b4392a5f68f168a28bdae [2024-11-13 15:19:26,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:19:26,308 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:19:26,310 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:19:26,310 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:19:26,314 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:19:26,314 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:19:26" (1/1) ... [2024-11-13 15:19:26,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79b2ae3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:26, skipping insertion in model container [2024-11-13 15:19:26,316 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:19:26" (1/1) ... [2024-11-13 15:19:26,335 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:19:26,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:19:26,535 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:19:26,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:19:26,579 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:19:26,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:26 WrapperNode [2024-11-13 15:19:26,581 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:19:26,582 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:19:26,583 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:19:26,583 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:19:26,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:26" (1/1) ... [2024-11-13 15:19:26,601 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:26" (1/1) ... [2024-11-13 15:19:26,618 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 28 [2024-11-13 15:19:26,619 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:19:26,620 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:19:26,620 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:19:26,621 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:19:26,628 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:26" (1/1) ... [2024-11-13 15:19:26,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:26" (1/1) ... [2024-11-13 15:19:26,632 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:26" (1/1) ... [2024-11-13 15:19:26,650 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 15:19:26,651 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:26" (1/1) ... [2024-11-13 15:19:26,651 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:26" (1/1) ... [2024-11-13 15:19:26,662 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:26" (1/1) ... [2024-11-13 15:19:26,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:26" (1/1) ... [2024-11-13 15:19:26,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:26" (1/1) ... [2024-11-13 15:19:26,667 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:26" (1/1) ... [2024-11-13 15:19:26,669 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:19:26,672 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:19:26,672 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:19:26,672 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:19:26,673 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:26" (1/1) ... [2024-11-13 15:19:26,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:19:26,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:26,714 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:26,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:19:26,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:19:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure applyHanoi [2024-11-13 15:19:26,747 INFO L138 BoogieDeclarations]: Found implementation of procedure applyHanoi [2024-11-13 15:19:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2024-11-13 15:19:26,747 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2024-11-13 15:19:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 15:19:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:19:26,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:19:26,836 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:19:26,838 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:19:27,048 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-13 15:19:27,048 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:19:27,065 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:19:27,065 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:19:27,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:19:27 BoogieIcfgContainer [2024-11-13 15:19:27,065 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:19:27,069 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:19:27,069 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:19:27,076 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:19:27,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:19:26" (1/3) ... [2024-11-13 15:19:27,077 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69af3c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:19:27, skipping insertion in model container [2024-11-13 15:19:27,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:26" (2/3) ... [2024-11-13 15:19:27,077 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69af3c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:19:27, skipping insertion in model container [2024-11-13 15:19:27,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:19:27" (3/3) ... [2024-11-13 15:19:27,079 INFO L112 eAbstractionObserver]: Analyzing ICFG recHanoi01.c [2024-11-13 15:19:27,094 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:19:27,096 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG recHanoi01.c that has 3 procedures, 47 locations, 1 initial locations, 0 loop locations, and 12 error locations. [2024-11-13 15:19:27,160 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:19:27,178 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;@e3a9f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:19:27,179 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-13 15:19:27,185 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 40 states have internal predecessors, (43), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 15:19:27,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 15:19:27,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:19:27,194 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:19:27,194 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:19:27,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:27,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1080948696, now seen corresponding path program 1 times [2024-11-13 15:19:27,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:19:27,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [778393988] [2024-11-13 15:19:27,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:27,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:27,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:27,210 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:19:27,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:19:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:27,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 15:19:27,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:19:27,317 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 15:19:27,318 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:19:27,318 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:19:27,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778393988] [2024-11-13 15:19:27,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [778393988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:19:27,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:19:27,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 15:19:27,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541966115] [2024-11-13 15:19:27,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:19:27,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:19:27,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:19:27,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:19:27,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:19:27,351 INFO L87 Difference]: Start difference. First operand has 47 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 40 states have internal predecessors, (43), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:27,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:19:27,373 INFO L93 Difference]: Finished difference Result 50 states and 55 transitions. [2024-11-13 15:19:27,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:19:27,375 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-13 15:19:27,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:19:27,382 INFO L225 Difference]: With dead ends: 50 [2024-11-13 15:19:27,382 INFO L226 Difference]: Without dead ends: 34 [2024-11-13 15:19:27,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:19:27,390 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:19:27,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:19:27,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-13 15:19:27,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-13 15:19:27,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 21 states have (on average 1.380952380952381) internal successors, (29), 28 states have internal predecessors, (29), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-13 15:19:27,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2024-11-13 15:19:27,448 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 7 [2024-11-13 15:19:27,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:19:27,448 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2024-11-13 15:19:27,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:27,449 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2024-11-13 15:19:27,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 15:19:27,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:19:27,450 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:19:27,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 15:19:27,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:27,652 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:19:27,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:27,653 INFO L85 PathProgramCache]: Analyzing trace with hash 850328830, now seen corresponding path program 1 times [2024-11-13 15:19:27,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:19:27,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [288369464] [2024-11-13 15:19:27,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:27,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:27,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:27,659 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:19:27,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 15:19:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:27,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:19:27,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:19:27,875 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 15:19:27,876 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:19:27,876 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:19:27,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288369464] [2024-11-13 15:19:27,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288369464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:19:27,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:19:27,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:19:27,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217123284] [2024-11-13 15:19:27,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:19:27,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:19:27,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:19:27,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:19:27,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:19:27,882 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:27,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:19:27,935 INFO L93 Difference]: Finished difference Result 56 states and 62 transitions. [2024-11-13 15:19:27,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:19:27,936 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-13 15:19:27,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:19:27,937 INFO L225 Difference]: With dead ends: 56 [2024-11-13 15:19:27,937 INFO L226 Difference]: Without dead ends: 55 [2024-11-13 15:19:27,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:19:27,938 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 22 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:19:27,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 101 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:19:27,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-13 15:19:27,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 40. [2024-11-13 15:19:27,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 33 states have internal predecessors, (35), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-13 15:19:27,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2024-11-13 15:19:27,949 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 8 [2024-11-13 15:19:27,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:19:27,949 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2024-11-13 15:19:27,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:27,950 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2024-11-13 15:19:27,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 15:19:27,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:19:27,950 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:19:27,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 15:19:28,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:28,155 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:19:28,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:28,157 INFO L85 PathProgramCache]: Analyzing trace with hash 590389994, now seen corresponding path program 1 times [2024-11-13 15:19:28,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:19:28,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1847213704] [2024-11-13 15:19:28,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:28,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:28,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:28,162 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:19:28,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 15:19:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:28,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 15:19:28,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:19:28,356 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 15:19:28,356 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:19:28,356 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:19:28,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847213704] [2024-11-13 15:19:28,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847213704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:19:28,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:19:28,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:19:28,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608337920] [2024-11-13 15:19:28,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:19:28,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:19:28,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:19:28,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:19:28,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:19:28,358 INFO L87 Difference]: Start difference. First operand 40 states and 45 transitions. Second operand has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:28,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:19:28,516 INFO L93 Difference]: Finished difference Result 65 states and 72 transitions. [2024-11-13 15:19:28,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:19:28,517 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-13 15:19:28,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:19:28,518 INFO L225 Difference]: With dead ends: 65 [2024-11-13 15:19:28,519 INFO L226 Difference]: Without dead ends: 46 [2024-11-13 15:19:28,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:19:28,521 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 14 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:19:28,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 119 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:19:28,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-13 15:19:28,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-13 15:19:28,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 37 states have internal predecessors, (38), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:19:28,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2024-11-13 15:19:28,536 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 9 [2024-11-13 15:19:28,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:19:28,539 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2024-11-13 15:19:28,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:28,540 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2024-11-13 15:19:28,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 15:19:28,540 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:19:28,541 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:19:28,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 15:19:28,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:28,745 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:19:28,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:28,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1475047202, now seen corresponding path program 1 times [2024-11-13 15:19:28,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:19:28,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1669300588] [2024-11-13 15:19:28,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:28,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:28,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:28,749 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:19:28,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 15:19:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:28,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 15:19:28,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:19:28,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:19:28,964 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:19:29,142 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:19:29,143 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:19:29,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669300588] [2024-11-13 15:19:29,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669300588] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:19:29,143 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:19:29,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-13 15:19:29,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810777589] [2024-11-13 15:19:29,143 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:19:29,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 15:19:29,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:19:29,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 15:19:29,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:19:29,145 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 10 states have internal predecessors, (24), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:29,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:19:29,569 INFO L93 Difference]: Finished difference Result 141 states and 173 transitions. [2024-11-13 15:19:29,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 15:19:29,570 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 10 states have internal predecessors, (24), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-13 15:19:29,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:19:29,576 INFO L225 Difference]: With dead ends: 141 [2024-11-13 15:19:29,576 INFO L226 Difference]: Without dead ends: 140 [2024-11-13 15:19:29,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-11-13 15:19:29,581 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 142 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:19:29,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 211 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:19:29,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-13 15:19:29,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 85. [2024-11-13 15:19:29,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 59 states have (on average 1.2542372881355932) internal successors, (74), 68 states have internal predecessors, (74), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (28), 13 states have call predecessors, (28), 13 states have call successors, (28) [2024-11-13 15:19:29,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 116 transitions. [2024-11-13 15:19:29,630 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 116 transitions. Word has length 15 [2024-11-13 15:19:29,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:19:29,631 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 116 transitions. [2024-11-13 15:19:29,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 10 states have internal predecessors, (24), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:29,631 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 116 transitions. [2024-11-13 15:19:29,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 15:19:29,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:19:29,633 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:19:29,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 15:19:29,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:29,833 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:19:29,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:29,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1518176954, now seen corresponding path program 1 times [2024-11-13 15:19:29,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:19:29,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1844658615] [2024-11-13 15:19:29,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:29,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:29,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:29,839 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:19:29,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 15:19:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:29,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 15:19:29,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:19:30,128 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:19:30,128 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:19:30,366 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:19:30,366 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:19:30,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844658615] [2024-11-13 15:19:30,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1844658615] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:19:30,367 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:19:30,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-13 15:19:30,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952318147] [2024-11-13 15:19:30,367 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:19:30,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 15:19:30,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:19:30,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 15:19:30,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:19:30,368 INFO L87 Difference]: Start difference. First operand 85 states and 116 transitions. Second operand has 12 states, 9 states have (on average 2.888888888888889) internal successors, (26), 8 states have internal predecessors, (26), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:30,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:19:30,790 INFO L93 Difference]: Finished difference Result 91 states and 122 transitions. [2024-11-13 15:19:30,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:19:30,791 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 2.888888888888889) internal successors, (26), 8 states have internal predecessors, (26), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-13 15:19:30,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:19:30,793 INFO L225 Difference]: With dead ends: 91 [2024-11-13 15:19:30,793 INFO L226 Difference]: Without dead ends: 89 [2024-11-13 15:19:30,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2024-11-13 15:19:30,794 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 39 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:19:30,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 234 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:19:30,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-13 15:19:30,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-13 15:19:30,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 62 states have (on average 1.1451612903225807) internal successors, (71), 69 states have internal predecessors, (71), 14 states have call successors, (14), 6 states have call predecessors, (14), 9 states have return successors, (31), 13 states have call predecessors, (31), 13 states have call successors, (31) [2024-11-13 15:19:30,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 116 transitions. [2024-11-13 15:19:30,815 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 116 transitions. Word has length 16 [2024-11-13 15:19:30,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:19:30,815 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 116 transitions. [2024-11-13 15:19:30,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 2.888888888888889) internal successors, (26), 8 states have internal predecessors, (26), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:30,815 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 116 transitions. [2024-11-13 15:19:30,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 15:19:30,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:19:30,818 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:19:30,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 15:19:31,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:31,019 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:19:31,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:31,019 INFO L85 PathProgramCache]: Analyzing trace with hash 434347556, now seen corresponding path program 1 times [2024-11-13 15:19:31,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:19:31,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [124182670] [2024-11-13 15:19:31,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:31,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:31,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:31,022 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:19:31,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 15:19:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:31,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 15:19:31,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:19:31,128 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:19:31,128 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:19:31,128 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:19:31,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124182670] [2024-11-13 15:19:31,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124182670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:19:31,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:19:31,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:19:31,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926038902] [2024-11-13 15:19:31,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:19:31,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:19:31,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:19:31,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:19:31,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:19:31,132 INFO L87 Difference]: Start difference. First operand 89 states and 116 transitions. Second operand has 5 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 15:19:31,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:19:31,191 INFO L93 Difference]: Finished difference Result 105 states and 132 transitions. [2024-11-13 15:19:31,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:19:31,192 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2024-11-13 15:19:31,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:19:31,193 INFO L225 Difference]: With dead ends: 105 [2024-11-13 15:19:31,193 INFO L226 Difference]: Without dead ends: 98 [2024-11-13 15:19:31,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:19:31,195 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 21 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:19:31,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 122 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:19:31,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-13 15:19:31,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 96. [2024-11-13 15:19:31,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 68 states have (on average 1.1470588235294117) internal successors, (78), 74 states have internal predecessors, (78), 15 states have call successors, (15), 7 states have call predecessors, (15), 9 states have return successors, (32), 14 states have call predecessors, (32), 14 states have call successors, (32) [2024-11-13 15:19:31,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2024-11-13 15:19:31,214 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 28 [2024-11-13 15:19:31,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:19:31,218 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2024-11-13 15:19:31,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 15:19:31,219 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2024-11-13 15:19:31,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 15:19:31,221 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:19:31,221 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:19:31,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-13 15:19:31,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:31,422 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:19:31,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:31,422 INFO L85 PathProgramCache]: Analyzing trace with hash 2054902186, now seen corresponding path program 1 times [2024-11-13 15:19:31,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:19:31,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1870981093] [2024-11-13 15:19:31,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:31,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:31,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:31,425 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:19:31,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 15:19:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:31,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 15:19:31,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:19:31,624 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 15:19:31,624 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:19:31,915 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:19:31,915 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:19:31,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870981093] [2024-11-13 15:19:31,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870981093] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:19:31,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:19:31,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2024-11-13 15:19:31,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737066379] [2024-11-13 15:19:31,917 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:19:31,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 15:19:31,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:19:31,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 15:19:31,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-13 15:19:31,919 INFO L87 Difference]: Start difference. First operand 96 states and 125 transitions. Second operand has 11 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 2 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 15:19:32,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:19:32,202 INFO L93 Difference]: Finished difference Result 192 states and 265 transitions. [2024-11-13 15:19:32,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 15:19:32,203 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 2 states have call predecessors, (5), 5 states have call successors, (5) Word has length 33 [2024-11-13 15:19:32,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:19:32,205 INFO L225 Difference]: With dead ends: 192 [2024-11-13 15:19:32,205 INFO L226 Difference]: Without dead ends: 105 [2024-11-13 15:19:32,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-13 15:19:32,207 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 9 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:19:32,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 194 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:19:32,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-13 15:19:32,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2024-11-13 15:19:32,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 75 states have (on average 1.12) internal successors, (84), 77 states have internal predecessors, (84), 16 states have call successors, (16), 10 states have call predecessors, (16), 8 states have return successors, (24), 15 states have call predecessors, (24), 15 states have call successors, (24) [2024-11-13 15:19:32,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 124 transitions. [2024-11-13 15:19:32,234 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 124 transitions. Word has length 33 [2024-11-13 15:19:32,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:19:32,235 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 124 transitions. [2024-11-13 15:19:32,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 2 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 15:19:32,235 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 124 transitions. [2024-11-13 15:19:32,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 15:19:32,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:19:32,236 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-13 15:19:32,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 15:19:32,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:32,455 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:19:32,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:32,456 INFO L85 PathProgramCache]: Analyzing trace with hash -848692226, now seen corresponding path program 2 times [2024-11-13 15:19:32,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:19:32,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [721693615] [2024-11-13 15:19:32,457 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:19:32,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:32,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:32,459 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:19:32,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 15:19:32,532 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 15:19:32,532 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:19:32,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 15:19:32,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:19:32,755 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:19:32,756 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:19:33,278 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:19:33,282 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:19:33,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721693615] [2024-11-13 15:19:33,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721693615] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:19:33,283 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:19:33,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2024-11-13 15:19:33,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371665958] [2024-11-13 15:19:33,283 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:19:33,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-13 15:19:33,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:19:33,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-13 15:19:33,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=371, Unknown=0, NotChecked=0, Total=462 [2024-11-13 15:19:33,284 INFO L87 Difference]: Start difference. First operand 103 states and 124 transitions. Second operand has 22 states, 21 states have (on average 2.857142857142857) internal successors, (60), 22 states have internal predecessors, (60), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:35,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:19:35,029 INFO L93 Difference]: Finished difference Result 404 states and 562 transitions. [2024-11-13 15:19:35,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 15:19:35,030 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.857142857142857) internal successors, (60), 22 states have internal predecessors, (60), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2024-11-13 15:19:35,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:19:35,034 INFO L225 Difference]: With dead ends: 404 [2024-11-13 15:19:35,034 INFO L226 Difference]: Without dead ends: 403 [2024-11-13 15:19:35,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=314, Invalid=946, Unknown=0, NotChecked=0, Total=1260 [2024-11-13 15:19:35,036 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 422 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 15:19:35,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 1030 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 15:19:35,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-11-13 15:19:35,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 235. [2024-11-13 15:19:35,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 171 states have (on average 1.087719298245614) internal successors, (186), 173 states have internal predecessors, (186), 40 states have call successors, (40), 22 states have call predecessors, (40), 20 states have return successors, (141), 39 states have call predecessors, (141), 39 states have call successors, (141) [2024-11-13 15:19:35,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 367 transitions. [2024-11-13 15:19:35,095 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 367 transitions. Word has length 36 [2024-11-13 15:19:35,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:19:35,096 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 367 transitions. [2024-11-13 15:19:35,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.857142857142857) internal successors, (60), 22 states have internal predecessors, (60), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:35,096 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 367 transitions. [2024-11-13 15:19:35,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 15:19:35,098 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:19:35,098 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:19:35,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 15:19:35,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:35,299 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:19:35,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:35,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1036472202, now seen corresponding path program 2 times [2024-11-13 15:19:35,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:19:35,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1822633930] [2024-11-13 15:19:35,300 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:19:35,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:35,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:35,302 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:19:35,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 15:19:35,372 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 15:19:35,373 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:19:35,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 15:19:35,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:19:35,567 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 10 proven. 54 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-13 15:19:35,568 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:19:36,239 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 10 proven. 62 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-13 15:19:36,239 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:19:36,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822633930] [2024-11-13 15:19:36,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822633930] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:19:36,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:19:36,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 19 [2024-11-13 15:19:36,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32232059] [2024-11-13 15:19:36,240 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:19:36,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-13 15:19:36,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:19:36,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-13 15:19:36,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2024-11-13 15:19:36,242 INFO L87 Difference]: Start difference. First operand 235 states and 367 transitions. Second operand has 20 states, 17 states have (on average 3.411764705882353) internal successors, (58), 14 states have internal predecessors, (58), 11 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (11), 6 states have call predecessors, (11), 7 states have call successors, (11) [2024-11-13 15:19:37,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:19:37,306 INFO L93 Difference]: Finished difference Result 594 states and 1021 transitions. [2024-11-13 15:19:37,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 15:19:37,307 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 3.411764705882353) internal successors, (58), 14 states have internal predecessors, (58), 11 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (11), 6 states have call predecessors, (11), 7 states have call successors, (11) Word has length 65 [2024-11-13 15:19:37,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:19:37,315 INFO L225 Difference]: With dead ends: 594 [2024-11-13 15:19:37,317 INFO L226 Difference]: Without dead ends: 402 [2024-11-13 15:19:37,320 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=128, Invalid=684, Unknown=0, NotChecked=0, Total=812 [2024-11-13 15:19:37,321 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 129 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:19:37,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 297 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 15:19:37,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2024-11-13 15:19:37,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 363. [2024-11-13 15:19:37,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 267 states have (on average 1.0711610486891385) internal successors, (286), 268 states have internal predecessors, (286), 60 states have call successors, (60), 34 states have call predecessors, (60), 32 states have return successors, (148), 60 states have call predecessors, (148), 58 states have call successors, (148) [2024-11-13 15:19:37,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 494 transitions. [2024-11-13 15:19:37,418 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 494 transitions. Word has length 65 [2024-11-13 15:19:37,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:19:37,418 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 494 transitions. [2024-11-13 15:19:37,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 3.411764705882353) internal successors, (58), 14 states have internal predecessors, (58), 11 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (11), 6 states have call predecessors, (11), 7 states have call successors, (11) [2024-11-13 15:19:37,419 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 494 transitions. [2024-11-13 15:19:37,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 15:19:37,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:19:37,425 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:19:37,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-13 15:19:37,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:37,626 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:19:37,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:37,626 INFO L85 PathProgramCache]: Analyzing trace with hash -382641741, now seen corresponding path program 1 times [2024-11-13 15:19:37,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:19:37,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [30923841] [2024-11-13 15:19:37,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:37,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:37,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:37,629 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:19:37,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 15:19:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:37,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:19:37,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:19:37,736 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-13 15:19:37,737 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:19:37,737 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:19:37,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30923841] [2024-11-13 15:19:37,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30923841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:19:37,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:19:37,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:19:37,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895764309] [2024-11-13 15:19:37,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:19:37,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:19:37,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:19:37,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:19:37,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:19:37,739 INFO L87 Difference]: Start difference. First operand 363 states and 494 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-13 15:19:37,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:19:37,824 INFO L93 Difference]: Finished difference Result 379 states and 514 transitions. [2024-11-13 15:19:37,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:19:37,825 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 67 [2024-11-13 15:19:37,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:19:37,828 INFO L225 Difference]: With dead ends: 379 [2024-11-13 15:19:37,829 INFO L226 Difference]: Without dead ends: 330 [2024-11-13 15:19:37,829 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 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 15:19:37,830 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 3 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:19:37,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 93 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:19:37,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-13 15:19:37,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 326. [2024-11-13 15:19:37,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 242 states have (on average 1.0702479338842976) internal successors, (259), 242 states have internal predecessors, (259), 51 states have call successors, (51), 30 states have call predecessors, (51), 29 states have return successors, (122), 53 states have call predecessors, (122), 49 states have call successors, (122) [2024-11-13 15:19:37,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 432 transitions. [2024-11-13 15:19:37,885 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 432 transitions. Word has length 67 [2024-11-13 15:19:37,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:19:37,885 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 432 transitions. [2024-11-13 15:19:37,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-13 15:19:37,886 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 432 transitions. [2024-11-13 15:19:37,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-13 15:19:37,888 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:19:37,888 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2024-11-13 15:19:37,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 15:19:38,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:38,093 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:19:38,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:38,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1804465538, now seen corresponding path program 3 times [2024-11-13 15:19:38,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:19:38,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1457948446] [2024-11-13 15:19:38,094 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 15:19:38,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:38,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:38,095 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:19:38,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 15:19:38,222 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-13 15:19:38,222 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:19:38,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-13 15:19:38,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:19:38,775 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:19:38,775 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:19:40,455 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:19:40,455 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:19:40,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457948446] [2024-11-13 15:19:40,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457948446] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:19:40,455 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:19:40,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 45 [2024-11-13 15:19:40,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284099875] [2024-11-13 15:19:40,456 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:19:40,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-13 15:19:40,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:19:40,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-13 15:19:40,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=331, Invalid=1739, Unknown=0, NotChecked=0, Total=2070 [2024-11-13 15:19:40,459 INFO L87 Difference]: Start difference. First operand 326 states and 432 transitions. Second operand has 46 states, 45 states have (on average 2.933333333333333) internal successors, (132), 46 states have internal predecessors, (132), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:49,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:19:49,278 INFO L93 Difference]: Finished difference Result 1345 states and 2200 transitions. [2024-11-13 15:19:49,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-13 15:19:49,279 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 2.933333333333333) internal successors, (132), 46 states have internal predecessors, (132), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-11-13 15:19:49,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:19:49,294 INFO L225 Difference]: With dead ends: 1345 [2024-11-13 15:19:49,295 INFO L226 Difference]: Without dead ends: 1308 [2024-11-13 15:19:49,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 762 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=1352, Invalid=4654, Unknown=0, NotChecked=0, Total=6006 [2024-11-13 15:19:49,300 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 1825 mSDsluCounter, 3561 mSDsCounter, 0 mSdLazyCounter, 2116 mSolverCounterSat, 628 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1825 SdHoareTripleChecker+Valid, 3765 SdHoareTripleChecker+Invalid, 2744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 628 IncrementalHoareTripleChecker+Valid, 2116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:19:49,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1825 Valid, 3765 Invalid, 2744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [628 Valid, 2116 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-13 15:19:49,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states. [2024-11-13 15:19:49,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 734. [2024-11-13 15:19:49,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 734 states, 542 states have (on average 1.0535055350553506) internal successors, (571), 542 states have internal predecessors, (571), 123 states have call successors, (123), 66 states have call predecessors, (123), 65 states have return successors, (776), 125 states have call predecessors, (776), 121 states have call successors, (776) [2024-11-13 15:19:49,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1470 transitions. [2024-11-13 15:19:49,510 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1470 transitions. Word has length 78 [2024-11-13 15:19:49,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:19:49,510 INFO L471 AbstractCegarLoop]: Abstraction has 734 states and 1470 transitions. [2024-11-13 15:19:49,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 2.933333333333333) internal successors, (132), 46 states have internal predecessors, (132), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:49,511 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1470 transitions. [2024-11-13 15:19:49,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-13 15:19:49,523 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:19:49,524 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:19:49,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-13 15:19:49,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:49,724 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:19:49,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:49,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1443761148, now seen corresponding path program 3 times [2024-11-13 15:19:49,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:19:49,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1622571095] [2024-11-13 15:19:49,725 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 15:19:49,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:49,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:49,728 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:19:49,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-13 15:19:49,821 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-13 15:19:49,822 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:19:49,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 15:19:49,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:19:50,035 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2024-11-13 15:19:50,036 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:19:50,512 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2024-11-13 15:19:50,513 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:19:50,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622571095] [2024-11-13 15:19:50,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1622571095] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:19:50,513 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:19:50,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-13 15:19:50,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425720944] [2024-11-13 15:19:50,514 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:19:50,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 15:19:50,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:19:50,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 15:19:50,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-11-13 15:19:50,515 INFO L87 Difference]: Start difference. First operand 734 states and 1470 transitions. Second operand has 16 states, 13 states have (on average 2.769230769230769) internal successors, (36), 10 states have internal predecessors, (36), 7 states have call successors, (10), 7 states have call predecessors, (10), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 15:19:51,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:19:51,232 INFO L93 Difference]: Finished difference Result 807 states and 1546 transitions. [2024-11-13 15:19:51,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 15:19:51,233 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 13 states have (on average 2.769230769230769) internal successors, (36), 10 states have internal predecessors, (36), 7 states have call successors, (10), 7 states have call predecessors, (10), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 134 [2024-11-13 15:19:51,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:19:51,248 INFO L225 Difference]: With dead ends: 807 [2024-11-13 15:19:51,248 INFO L226 Difference]: Without dead ends: 806 [2024-11-13 15:19:51,250 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=133, Invalid=419, Unknown=0, NotChecked=0, Total=552 [2024-11-13 15:19:51,251 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 271 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:19:51,251 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 323 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:19:51,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2024-11-13 15:19:51,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 794. [2024-11-13 15:19:51,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 590 states have (on average 1.0694915254237287) internal successors, (631), 590 states have internal predecessors, (631), 127 states have call successors, (127), 70 states have call predecessors, (127), 73 states have return successors, (784), 133 states have call predecessors, (784), 125 states have call successors, (784) [2024-11-13 15:19:51,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1542 transitions. [2024-11-13 15:19:51,456 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1542 transitions. Word has length 134 [2024-11-13 15:19:51,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:19:51,456 INFO L471 AbstractCegarLoop]: Abstraction has 794 states and 1542 transitions. [2024-11-13 15:19:51,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 13 states have (on average 2.769230769230769) internal successors, (36), 10 states have internal predecessors, (36), 7 states have call successors, (10), 7 states have call predecessors, (10), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 15:19:51,458 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1542 transitions. [2024-11-13 15:19:51,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-13 15:19:51,464 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:19:51,464 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:19:51,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-13 15:19:51,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:51,665 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:19:51,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:51,666 INFO L85 PathProgramCache]: Analyzing trace with hash 421419244, now seen corresponding path program 1 times [2024-11-13 15:19:51,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:19:51,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [20492865] [2024-11-13 15:19:51,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:51,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:51,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:51,669 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:19:51,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-13 15:19:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:51,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:19:51,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:19:51,807 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2024-11-13 15:19:51,808 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:19:52,159 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2024-11-13 15:19:52,159 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:19:52,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20492865] [2024-11-13 15:19:52,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [20492865] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:19:52,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:19:52,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-13 15:19:52,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061280301] [2024-11-13 15:19:52,160 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:19:52,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 15:19:52,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:19:52,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 15:19:52,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:19:52,161 INFO L87 Difference]: Start difference. First operand 794 states and 1542 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 8 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 5 states have return successors, (7), 5 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-13 15:19:52,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:19:52,482 INFO L93 Difference]: Finished difference Result 903 states and 1685 transitions. [2024-11-13 15:19:52,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 15:19:52,483 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 8 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 5 states have return successors, (7), 5 states have call predecessors, (7), 1 states have call successors, (7) Word has length 142 [2024-11-13 15:19:52,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:19:52,492 INFO L225 Difference]: With dead ends: 903 [2024-11-13 15:19:52,493 INFO L226 Difference]: Without dead ends: 891 [2024-11-13 15:19:52,494 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:19:52,495 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 9 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:19:52,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 218 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:19:52,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2024-11-13 15:19:52,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 885. [2024-11-13 15:19:52,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 885 states, 666 states have (on average 1.0690690690690692) internal successors, (712), 663 states have internal predecessors, (712), 127 states have call successors, (127), 70 states have call predecessors, (127), 88 states have return successors, (802), 151 states have call predecessors, (802), 125 states have call successors, (802) [2024-11-13 15:19:52,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1641 transitions. [2024-11-13 15:19:52,676 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1641 transitions. Word has length 142 [2024-11-13 15:19:52,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:19:52,677 INFO L471 AbstractCegarLoop]: Abstraction has 885 states and 1641 transitions. [2024-11-13 15:19:52,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 8 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 5 states have return successors, (7), 5 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-13 15:19:52,677 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1641 transitions. [2024-11-13 15:19:52,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-13 15:19:52,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:19:52,681 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:19:52,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-13 15:19:52,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:52,882 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:19:52,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:52,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1012734852, now seen corresponding path program 4 times [2024-11-13 15:19:52,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:19:52,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1542097651] [2024-11-13 15:19:52,883 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 15:19:52,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:52,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:52,886 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:19:52,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-13 15:19:52,983 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 15:19:52,983 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:19:52,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 15:19:52,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:19:53,235 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 85 proven. 223 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-11-13 15:19:53,235 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:19:53,834 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 85 proven. 244 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2024-11-13 15:19:53,834 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:19:53,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542097651] [2024-11-13 15:19:53,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1542097651] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:19:53,834 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:19:53,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17] total 18 [2024-11-13 15:19:53,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495426417] [2024-11-13 15:19:53,835 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:19:53,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 15:19:53,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:19:53,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 15:19:53,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2024-11-13 15:19:53,836 INFO L87 Difference]: Start difference. First operand 885 states and 1641 transitions. Second operand has 18 states, 17 states have (on average 3.823529411764706) internal successors, (65), 14 states have internal predecessors, (65), 12 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (12), 5 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-13 15:19:54,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:19:54,682 INFO L93 Difference]: Finished difference Result 2059 states and 4301 transitions. [2024-11-13 15:19:54,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 15:19:54,683 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.823529411764706) internal successors, (65), 14 states have internal predecessors, (65), 12 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (12), 5 states have call predecessors, (12), 8 states have call successors, (12) Word has length 154 [2024-11-13 15:19:54,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:19:54,695 INFO L225 Difference]: With dead ends: 2059 [2024-11-13 15:19:54,695 INFO L226 Difference]: Without dead ends: 1204 [2024-11-13 15:19:54,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2024-11-13 15:19:54,711 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 80 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:19:54,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 356 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 15:19:54,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2024-11-13 15:19:54,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1052. [2024-11-13 15:19:54,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 794 states have (on average 1.057934508816121) internal successors, (840), 790 states have internal predecessors, (840), 150 states have call successors, (150), 86 states have call predecessors, (150), 104 states have return successors, (500), 175 states have call predecessors, (500), 145 states have call successors, (500) [2024-11-13 15:19:54,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1490 transitions. [2024-11-13 15:19:54,906 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1490 transitions. Word has length 154 [2024-11-13 15:19:54,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:19:54,907 INFO L471 AbstractCegarLoop]: Abstraction has 1052 states and 1490 transitions. [2024-11-13 15:19:54,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.823529411764706) internal successors, (65), 14 states have internal predecessors, (65), 12 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (12), 5 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-13 15:19:54,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1490 transitions. [2024-11-13 15:19:54,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-13 15:19:54,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:19:54,912 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1] [2024-11-13 15:19:54,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-13 15:19:55,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:55,116 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:19:55,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:55,116 INFO L85 PathProgramCache]: Analyzing trace with hash -579090562, now seen corresponding path program 4 times [2024-11-13 15:19:55,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:19:55,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1271708317] [2024-11-13 15:19:55,116 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 15:19:55,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:55,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:55,119 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:19:55,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-13 15:19:55,254 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 15:19:55,255 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:19:55,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 93 conjuncts are in the unsatisfiable core [2024-11-13 15:19:55,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:19:56,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:19:56,771 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:20:03,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:20:03,290 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:20:03,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271708317] [2024-11-13 15:20:03,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271708317] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:20:03,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:20:03,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47] total 93 [2024-11-13 15:20:03,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885482184] [2024-11-13 15:20:03,291 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:20:03,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-11-13 15:20:03,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:20:03,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-11-13 15:20:03,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1243, Invalid=7499, Unknown=0, NotChecked=0, Total=8742 [2024-11-13 15:20:03,300 INFO L87 Difference]: Start difference. First operand 1052 states and 1490 transitions. Second operand has 94 states, 93 states have (on average 2.967741935483871) internal successors, (276), 94 states have internal predecessors, (276), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:21:04,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:21:04,148 INFO L93 Difference]: Finished difference Result 7293 states and 11611 transitions. [2024-11-13 15:21:04,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-13 15:21:04,149 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 93 states have (on average 2.967741935483871) internal successors, (276), 94 states have internal predecessors, (276), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 162 [2024-11-13 15:21:04,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:21:04,201 INFO L225 Difference]: With dead ends: 7293 [2024-11-13 15:21:04,202 INFO L226 Difference]: Without dead ends: 7148 [2024-11-13 15:21:04,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3522 ImplicationChecksByTransitivity, 44.2s TimeCoverageRelationStatistics Valid=5588, Invalid=20494, Unknown=0, NotChecked=0, Total=26082 [2024-11-13 15:21:04,216 INFO L432 NwaCegarLoop]: 509 mSDtfsCounter, 5975 mSDsluCounter, 16676 mSDsCounter, 0 mSdLazyCounter, 11817 mSolverCounterSat, 2208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5975 SdHoareTripleChecker+Valid, 17185 SdHoareTripleChecker+Invalid, 14025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2208 IncrementalHoareTripleChecker+Valid, 11817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2024-11-13 15:21:04,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5975 Valid, 17185 Invalid, 14025 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2208 Valid, 11817 Invalid, 0 Unknown, 0 Unchecked, 18.8s Time] [2024-11-13 15:21:04,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7148 states. [2024-11-13 15:21:04,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7148 to 2156. [2024-11-13 15:21:04,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2156 states, 1610 states have (on average 1.0434782608695652) internal successors, (1680), 1606 states have internal predecessors, (1680), 342 states have call successors, (342), 182 states have call predecessors, (342), 200 states have return successors, (3613), 367 states have call predecessors, (3613), 337 states have call successors, (3613) [2024-11-13 15:21:04,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2156 states to 2156 states and 5635 transitions. [2024-11-13 15:21:04,995 INFO L78 Accepts]: Start accepts. Automaton has 2156 states and 5635 transitions. Word has length 162 [2024-11-13 15:21:04,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:21:04,996 INFO L471 AbstractCegarLoop]: Abstraction has 2156 states and 5635 transitions. [2024-11-13 15:21:04,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 93 states have (on average 2.967741935483871) internal successors, (276), 94 states have internal predecessors, (276), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:21:04,997 INFO L276 IsEmpty]: Start isEmpty. Operand 2156 states and 5635 transitions. [2024-11-13 15:21:05,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-13 15:21:05,005 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:21:05,005 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 7, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:21:05,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-13 15:21:05,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:21:05,206 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:21:05,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:21:05,206 INFO L85 PathProgramCache]: Analyzing trace with hash -881775740, now seen corresponding path program 5 times [2024-11-13 15:21:05,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:21:05,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [120238103] [2024-11-13 15:21:05,207 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-13 15:21:05,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:21:05,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:21:05,209 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:21:05,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-13 15:21:05,552 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2024-11-13 15:21:05,552 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:21:05,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 15:21:05,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:21:05,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2793 backedges. 153 proven. 702 refuted. 0 times theorem prover too weak. 1938 trivial. 0 not checked. [2024-11-13 15:21:05,900 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:21:06,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2793 backedges. 153 proven. 742 refuted. 0 times theorem prover too weak. 1898 trivial. 0 not checked. [2024-11-13 15:21:06,928 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:21:06,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120238103] [2024-11-13 15:21:06,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120238103] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:21:06,929 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:21:06,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 21] total 23 [2024-11-13 15:21:06,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118921807] [2024-11-13 15:21:06,929 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:21:06,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-13 15:21:06,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:21:06,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-13 15:21:06,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2024-11-13 15:21:06,930 INFO L87 Difference]: Start difference. First operand 2156 states and 5635 transitions. Second operand has 23 states, 21 states have (on average 3.761904761904762) internal successors, (79), 18 states have internal predecessors, (79), 16 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (16), 6 states have call predecessors, (16), 11 states have call successors, (16) [2024-11-13 15:21:08,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:21:08,737 INFO L93 Difference]: Finished difference Result 5097 states and 16174 transitions. [2024-11-13 15:21:08,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 15:21:08,738 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 3.761904761904762) internal successors, (79), 18 states have internal predecessors, (79), 16 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (16), 6 states have call predecessors, (16), 11 states have call successors, (16) Word has length 282 [2024-11-13 15:21:08,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:21:08,767 INFO L225 Difference]: With dead ends: 5097 [2024-11-13 15:21:08,768 INFO L226 Difference]: Without dead ends: 3230 [2024-11-13 15:21:08,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 574 GetRequests, 544 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2024-11-13 15:21:08,815 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 119 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 1111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 15:21:08,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 584 Invalid, 1111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 15:21:08,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3230 states. [2024-11-13 15:21:09,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3230 to 2631. [2024-11-13 15:21:09,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2631 states, 1969 states have (on average 1.0360589131538853) internal successors, (2040), 1964 states have internal predecessors, (2040), 415 states have call successors, (415), 225 states have call predecessors, (415), 243 states have return successors, (1763), 441 states have call predecessors, (1763), 409 states have call successors, (1763) [2024-11-13 15:21:09,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2631 states to 2631 states and 4218 transitions. [2024-11-13 15:21:09,641 INFO L78 Accepts]: Start accepts. Automaton has 2631 states and 4218 transitions. Word has length 282 [2024-11-13 15:21:09,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:21:09,643 INFO L471 AbstractCegarLoop]: Abstraction has 2631 states and 4218 transitions. [2024-11-13 15:21:09,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 3.761904761904762) internal successors, (79), 18 states have internal predecessors, (79), 16 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (16), 6 states have call predecessors, (16), 11 states have call successors, (16) [2024-11-13 15:21:09,644 INFO L276 IsEmpty]: Start isEmpty. Operand 2631 states and 4218 transitions. [2024-11-13 15:21:09,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-13 15:21:09,650 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:21:09,650 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:21:09,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-13 15:21:09,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:21:09,851 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:21:09,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:21:09,853 INFO L85 PathProgramCache]: Analyzing trace with hash 898348590, now seen corresponding path program 1 times [2024-11-13 15:21:09,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:21:09,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [263212544] [2024-11-13 15:21:09,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:21:09,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:21:09,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:21:09,856 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:21:09,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-13 15:21:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:21:10,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 15:21:10,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:21:10,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2735 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 2721 trivial. 0 not checked. [2024-11-13 15:21:10,137 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:21:11,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2735 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 2721 trivial. 0 not checked. [2024-11-13 15:21:11,168 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:21:11,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263212544] [2024-11-13 15:21:11,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263212544] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:21:11,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:21:11,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-13 15:21:11,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271507053] [2024-11-13 15:21:11,168 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:21:11,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 15:21:11,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:21:11,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 15:21:11,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-13 15:21:11,170 INFO L87 Difference]: Start difference. First operand 2631 states and 4218 transitions. Second operand has 14 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 7 states have return successors, (9), 7 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-13 15:21:12,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:21:12,232 INFO L93 Difference]: Finished difference Result 2721 states and 4341 transitions. [2024-11-13 15:21:12,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 15:21:12,233 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 7 states have return successors, (9), 7 states have call predecessors, (9), 1 states have call successors, (9) Word has length 282 [2024-11-13 15:21:12,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:21:12,257 INFO L225 Difference]: With dead ends: 2721 [2024-11-13 15:21:12,257 INFO L226 Difference]: Without dead ends: 2564 [2024-11-13 15:21:12,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 566 GetRequests, 550 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2024-11-13 15:21:12,262 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 8 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:21:12,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 262 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:21:12,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2564 states. [2024-11-13 15:21:12,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2564 to 2558. [2024-11-13 15:21:12,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2558 states, 1923 states have (on average 1.0384815392615705) internal successors, (1997), 1916 states have internal predecessors, (1997), 391 states have call successors, (391), 217 states have call predecessors, (391), 240 states have return successors, (1671), 424 states have call predecessors, (1671), 380 states have call successors, (1671) [2024-11-13 15:21:12,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 2558 states and 4059 transitions. [2024-11-13 15:21:12,957 INFO L78 Accepts]: Start accepts. Automaton has 2558 states and 4059 transitions. Word has length 282 [2024-11-13 15:21:12,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:21:12,958 INFO L471 AbstractCegarLoop]: Abstraction has 2558 states and 4059 transitions. [2024-11-13 15:21:12,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 7 states have return successors, (9), 7 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-13 15:21:12,958 INFO L276 IsEmpty]: Start isEmpty. Operand 2558 states and 4059 transitions. [2024-11-13 15:21:12,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2024-11-13 15:21:12,977 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:21:12,978 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 7, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:21:13,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-13 15:21:13,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:21:13,182 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:21:13,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:21:13,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1988643716, now seen corresponding path program 6 times [2024-11-13 15:21:13,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:21:13,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1624180422] [2024-11-13 15:21:13,183 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-13 15:21:13,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:21:13,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:21:13,185 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:21:13,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-13 15:21:13,424 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2024-11-13 15:21:13,424 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:21:13,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 15:21:13,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:21:14,123 INFO L134 CoverageAnalysis]: Checked inductivity of 11625 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 11532 trivial. 0 not checked. [2024-11-13 15:21:14,123 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:21:16,600 INFO L134 CoverageAnalysis]: Checked inductivity of 11625 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 11532 trivial. 0 not checked. [2024-11-13 15:21:16,600 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:21:16,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624180422] [2024-11-13 15:21:16,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624180422] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:21:16,600 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:21:16,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 31 [2024-11-13 15:21:16,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826452754] [2024-11-13 15:21:16,601 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:21:16,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-13 15:21:16,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:21:16,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-13 15:21:16,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=832, Unknown=0, NotChecked=0, Total=992 [2024-11-13 15:21:16,603 INFO L87 Difference]: Start difference. First operand 2558 states and 4059 transitions. Second operand has 32 states, 29 states have (on average 2.3448275862068964) internal successors, (68), 18 states have internal predecessors, (68), 15 states have call successors, (18), 15 states have call predecessors, (18), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 15:21:21,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:21:21,126 INFO L93 Difference]: Finished difference Result 2947 states and 4467 transitions. [2024-11-13 15:21:21,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 15:21:21,127 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 29 states have (on average 2.3448275862068964) internal successors, (68), 18 states have internal predecessors, (68), 15 states have call successors, (18), 15 states have call predecessors, (18), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 538 [2024-11-13 15:21:21,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:21:21,152 INFO L225 Difference]: With dead ends: 2947 [2024-11-13 15:21:21,152 INFO L226 Difference]: Without dead ends: 2946 [2024-11-13 15:21:21,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1094 GetRequests, 1044 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=585, Invalid=2067, Unknown=0, NotChecked=0, Total=2652 [2024-11-13 15:21:21,156 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 1200 mSDsluCounter, 1141 mSDsCounter, 0 mSdLazyCounter, 832 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1201 SdHoareTripleChecker+Valid, 1217 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:21:21,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1201 Valid, 1217 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 832 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 15:21:21,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2946 states. [2024-11-13 15:21:22,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2946 to 2918. [2024-11-13 15:21:22,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2918 states, 2219 states have (on average 1.0513744930148716) internal successors, (2333), 2212 states have internal predecessors, (2333), 399 states have call successors, (399), 225 states have call predecessors, (399), 296 states have return successors, (1727), 480 states have call predecessors, (1727), 388 states have call successors, (1727) [2024-11-13 15:21:22,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2918 states to 2918 states and 4459 transitions. [2024-11-13 15:21:22,044 INFO L78 Accepts]: Start accepts. Automaton has 2918 states and 4459 transitions. Word has length 538 [2024-11-13 15:21:22,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:21:22,045 INFO L471 AbstractCegarLoop]: Abstraction has 2918 states and 4459 transitions. [2024-11-13 15:21:22,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 29 states have (on average 2.3448275862068964) internal successors, (68), 18 states have internal predecessors, (68), 15 states have call successors, (18), 15 states have call predecessors, (18), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 15:21:22,046 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 4459 transitions. [2024-11-13 15:21:22,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2024-11-13 15:21:22,063 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:21:22,064 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:21:22,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-13 15:21:22,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:21:22,264 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:21:22,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:21:22,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1734909359, now seen corresponding path program 2 times [2024-11-13 15:21:22,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:21:22,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [926093414] [2024-11-13 15:21:22,266 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:21:22,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:21:22,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:21:22,267 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:21:22,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-13 15:21:22,566 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 15:21:22,566 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:21:22,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 1156 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 15:21:22,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:21:23,038 INFO L134 CoverageAnalysis]: Checked inductivity of 11640 backedges. 250 proven. 1946 refuted. 0 times theorem prover too weak. 9444 trivial. 0 not checked. [2024-11-13 15:21:23,038 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:21:25,679 INFO L134 CoverageAnalysis]: Checked inductivity of 11640 backedges. 250 proven. 2039 refuted. 0 times theorem prover too weak. 9351 trivial. 0 not checked. [2024-11-13 15:21:25,679 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:21:25,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926093414] [2024-11-13 15:21:25,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926093414] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:21:25,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:21:25,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 27] total 32 [2024-11-13 15:21:25,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111868838] [2024-11-13 15:21:25,680 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:21:25,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-13 15:21:25,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:21:25,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-13 15:21:25,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=886, Unknown=0, NotChecked=0, Total=992 [2024-11-13 15:21:25,683 INFO L87 Difference]: Start difference. First operand 2918 states and 4459 transitions. Second operand has 32 states, 30 states have (on average 4.133333333333334) internal successors, (124), 29 states have internal predecessors, (124), 22 states have call successors, (24), 3 states have call predecessors, (24), 13 states have return successors, (30), 14 states have call predecessors, (30), 20 states have call successors, (30) [2024-11-13 15:21:28,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:21:28,168 INFO L93 Difference]: Finished difference Result 5985 states and 9990 transitions. [2024-11-13 15:21:28,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-13 15:21:28,169 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 30 states have (on average 4.133333333333334) internal successors, (124), 29 states have internal predecessors, (124), 22 states have call successors, (24), 3 states have call predecessors, (24), 13 states have return successors, (30), 14 states have call predecessors, (30), 20 states have call successors, (30) Word has length 559 [2024-11-13 15:21:28,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:21:28,194 INFO L225 Difference]: With dead ends: 5985 [2024-11-13 15:21:28,194 INFO L226 Difference]: Without dead ends: 3715 [2024-11-13 15:21:28,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1131 GetRequests, 1090 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=228, Invalid=1578, Unknown=0, NotChecked=0, Total=1806 [2024-11-13 15:21:28,207 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 237 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1379 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 1483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 1379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:21:28,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 775 Invalid, 1483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 1379 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 15:21:28,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3715 states. [2024-11-13 15:21:29,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3715 to 3073. [2024-11-13 15:21:29,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3073 states, 2359 states have (on average 1.0483255616786773) internal successors, (2473), 2351 states have internal predecessors, (2473), 418 states have call successors, (418), 251 states have call predecessors, (418), 292 states have return successors, (1024), 470 states have call predecessors, (1024), 411 states have call successors, (1024) [2024-11-13 15:21:29,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3073 states to 3073 states and 3915 transitions. [2024-11-13 15:21:29,062 INFO L78 Accepts]: Start accepts. Automaton has 3073 states and 3915 transitions. Word has length 559 [2024-11-13 15:21:29,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:21:29,062 INFO L471 AbstractCegarLoop]: Abstraction has 3073 states and 3915 transitions. [2024-11-13 15:21:29,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 30 states have (on average 4.133333333333334) internal successors, (124), 29 states have internal predecessors, (124), 22 states have call successors, (24), 3 states have call predecessors, (24), 13 states have return successors, (30), 14 states have call predecessors, (30), 20 states have call successors, (30) [2024-11-13 15:21:29,062 INFO L276 IsEmpty]: Start isEmpty. Operand 3073 states and 3915 transitions. [2024-11-13 15:21:29,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-11-13 15:21:29,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:21:29,075 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 46, 46, 1, 1, 1, 1, 1] [2024-11-13 15:21:29,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-13 15:21:29,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:21:29,276 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-13 15:21:29,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:21:29,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1881816706, now seen corresponding path program 5 times [2024-11-13 15:21:29,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:21:29,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1962546074] [2024-11-13 15:21:29,277 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-13 15:21:29,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:21:29,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:21:29,280 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:21:29,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a6f3dac-d683-499a-98ce-5485750ce648/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-13 15:21:30,250 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-13 15:21:30,250 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:21:30,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 189 conjuncts are in the unsatisfiable core [2024-11-13 15:21:30,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:21:37,359 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 7429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:21:37,360 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:22:05,331 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 7429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:22:05,331 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:22:05,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962546074] [2024-11-13 15:22:05,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1962546074] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:22:05,332 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:22:05,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95] total 189 [2024-11-13 15:22:05,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527418905] [2024-11-13 15:22:05,332 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:22:05,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2024-11-13 15:22:05,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:22:05,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2024-11-13 15:22:05,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4795, Invalid=31115, Unknown=0, NotChecked=0, Total=35910 [2024-11-13 15:22:05,343 INFO L87 Difference]: Start difference. First operand 3073 states and 3915 transitions. Second operand has 190 states, 189 states have (on average 2.984126984126984) internal successors, (564), 190 states have internal predecessors, (564), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:22:38,329 WARN L286 SmtUtils]: Spent 6.42s on a formula simplification that was a NOOP. DAG size: 425 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 15:22:53,950 WARN L286 SmtUtils]: Spent 5.78s on a formula simplification that was a NOOP. DAG size: 416 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 15:23:09,339 WARN L286 SmtUtils]: Spent 5.39s on a formula simplification that was a NOOP. DAG size: 407 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)