./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.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_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/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_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/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_393e997d-5ce7-4649-a98c-79cb3ba6f431/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 1870b8451d4735c7264ac4337bbb2c1eeecb277125949d2d6e57edbf68a24fac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:11:55,046 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:11:55,130 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 15:11:55,134 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:11:55,135 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:11:55,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:11:55,169 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:11:55,169 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:11:55,169 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:11:55,170 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:11:55,170 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:11:55,170 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:11:55,170 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:11:55,170 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:11:55,170 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:11:55,170 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:11:55,170 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:11:55,171 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:11:55,171 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:11:55,171 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:11:55,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:11:55,171 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:11:55,171 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:11:55,171 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:11:55,171 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:11:55,171 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 15:11:55,171 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:11:55,171 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:11:55,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:11:55,172 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:11:55,172 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:11:55,174 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:11:55,174 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:11:55,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:11:55,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:11:55,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:11:55,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:11:55,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:11:55,176 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:11:55,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:11:55,176 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:11:55,176 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:11:55,176 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:11:55,176 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:11:55,177 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_393e997d-5ce7-4649-a98c-79cb3ba6f431/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 -> 1870b8451d4735c7264ac4337bbb2c1eeecb277125949d2d6e57edbf68a24fac [2024-11-13 15:11:55,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:11:55,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:11:55,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:11:55,488 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:11:55,488 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:11:55,491 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c Unable to find full path for "g++" [2024-11-13 15:11:57,367 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:11:57,584 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:11:57,585 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c [2024-11-13 15:11:57,595 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/data/3c3685f1a/10b33f7b18554342bb4accee764426b4/FLAG99770fc61 [2024-11-13 15:11:57,613 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/data/3c3685f1a/10b33f7b18554342bb4accee764426b4 [2024-11-13 15:11:57,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:11:57,616 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:11:57,618 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:11:57,618 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:11:57,622 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:11:57,623 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:11:57" (1/1) ... [2024-11-13 15:11:57,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25bf71d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:57, skipping insertion in model container [2024-11-13 15:11:57,624 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:11:57" (1/1) ... [2024-11-13 15:11:57,638 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:11:57,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:11:57,853 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:11:57,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:11:57,891 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:11:57,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:57 WrapperNode [2024-11-13 15:11:57,892 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:11:57,893 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:11:57,893 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:11:57,893 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:11:57,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:57" (1/1) ... [2024-11-13 15:11:57,906 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:57" (1/1) ... [2024-11-13 15:11:57,930 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 99 [2024-11-13 15:11:57,931 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:11:57,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:11:57,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:11:57,931 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:11:57,943 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:57" (1/1) ... [2024-11-13 15:11:57,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:57" (1/1) ... [2024-11-13 15:11:57,949 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:57" (1/1) ... [2024-11-13 15:11:57,963 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 15:11:57,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:57" (1/1) ... [2024-11-13 15:11:57,963 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:57" (1/1) ... [2024-11-13 15:11:57,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:57" (1/1) ... [2024-11-13 15:11:57,969 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:57" (1/1) ... [2024-11-13 15:11:57,970 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:57" (1/1) ... [2024-11-13 15:11:57,971 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:57" (1/1) ... [2024-11-13 15:11:57,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:11:57,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:11:57,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:11:57,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:11:57,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:57" (1/1) ... [2024-11-13 15:11:57,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:11:57,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:11:58,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:11:58,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:11:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:11:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:11:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:11:58,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:11:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 15:11:58,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 15:11:58,083 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:11:58,085 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:11:58,449 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-11-13 15:11:58,449 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:11:58,462 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:11:58,463 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 15:11:58,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:11:58 BoogieIcfgContainer [2024-11-13 15:11:58,463 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:11:58,466 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:11:58,466 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:11:58,471 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:11:58,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:11:57" (1/3) ... [2024-11-13 15:11:58,472 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3940fb47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:11:58, skipping insertion in model container [2024-11-13 15:11:58,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:11:57" (2/3) ... [2024-11-13 15:11:58,472 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3940fb47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:11:58, skipping insertion in model container [2024-11-13 15:11:58,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:11:58" (3/3) ... [2024-11-13 15:11:58,473 INFO L112 eAbstractionObserver]: Analyzing ICFG sqrt1-ll_unwindbound1.c [2024-11-13 15:11:58,489 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:11:58,491 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG sqrt1-ll_unwindbound1.c that has 2 procedures, 125 locations, 1 initial locations, 1 loop locations, and 52 error locations. [2024-11-13 15:11:58,572 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:11:58,589 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;@23e38709, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:11:58,589 INFO L334 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2024-11-13 15:11:58,594 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 65 states have (on average 1.8615384615384616) internal successors, (121), 117 states have internal predecessors, (121), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:11:58,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 15:11:58,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:11:58,605 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-13 15:11:58,605 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-13 15:11:58,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:11:58,611 INFO L85 PathProgramCache]: Analyzing trace with hash 928037, now seen corresponding path program 1 times [2024-11-13 15:11:58,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:11:58,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934992850] [2024-11-13 15:11:58,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:11:58,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:11:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:58,760 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 15:11:58,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:11:58,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934992850] [2024-11-13 15:11:58,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934992850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:11:58,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:11:58,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:11:58,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875074863] [2024-11-13 15:11:58,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:11:58,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:11:58,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:11:58,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:11:58,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:11:58,795 INFO L87 Difference]: Start difference. First operand has 125 states, 65 states have (on average 1.8615384615384616) internal successors, (121), 117 states have internal predecessors, (121), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:11:58,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:11:58,834 INFO L93 Difference]: Finished difference Result 243 states and 269 transitions. [2024-11-13 15:11:58,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:11:58,836 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-13 15:11:58,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:11:58,844 INFO L225 Difference]: With dead ends: 243 [2024-11-13 15:11:58,844 INFO L226 Difference]: Without dead ends: 114 [2024-11-13 15:11:58,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 15:11:58,853 INFO L432 NwaCegarLoop]: 126 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, 126 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 15:11:58,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:11:58,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-13 15:11:58,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-13 15:11:58,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 60 states have (on average 1.8166666666666667) internal successors, (109), 107 states have internal predecessors, (109), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 15:11:58,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 119 transitions. [2024-11-13 15:11:58,908 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 119 transitions. Word has length 4 [2024-11-13 15:11:58,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:11:58,909 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 119 transitions. [2024-11-13 15:11:58,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:11:58,910 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 119 transitions. [2024-11-13 15:11:58,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 15:11:58,910 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:11:58,910 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-13 15:11:58,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:11:58,910 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-13 15:11:58,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:11:58,911 INFO L85 PathProgramCache]: Analyzing trace with hash 925636, now seen corresponding path program 1 times [2024-11-13 15:11:58,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:11:58,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062673682] [2024-11-13 15:11:58,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:11:58,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:11:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:59,002 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 15:11:59,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:11:59,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062673682] [2024-11-13 15:11:59,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062673682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:11:59,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:11:59,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:11:59,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847628577] [2024-11-13 15:11:59,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:11:59,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:11:59,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:11:59,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:11:59,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:11:59,005 INFO L87 Difference]: Start difference. First operand 114 states and 119 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:11:59,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:11:59,097 INFO L93 Difference]: Finished difference Result 114 states and 119 transitions. [2024-11-13 15:11:59,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:11:59,098 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-13 15:11:59,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:11:59,099 INFO L225 Difference]: With dead ends: 114 [2024-11-13 15:11:59,099 INFO L226 Difference]: Without dead ends: 113 [2024-11-13 15:11:59,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:11:59,100 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 117 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:11:59,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 223 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:11:59,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-13 15:11:59,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-13 15:11:59,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 60 states have (on average 1.8) internal successors, (108), 106 states have internal predecessors, (108), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 15:11:59,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 118 transitions. [2024-11-13 15:11:59,110 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 118 transitions. Word has length 4 [2024-11-13 15:11:59,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:11:59,110 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 118 transitions. [2024-11-13 15:11:59,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:11:59,110 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 118 transitions. [2024-11-13 15:11:59,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 15:11:59,110 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:11:59,111 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-13 15:11:59,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:11:59,111 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-13 15:11:59,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:11:59,111 INFO L85 PathProgramCache]: Analyzing trace with hash 28694756, now seen corresponding path program 1 times [2024-11-13 15:11:59,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:11:59,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247080092] [2024-11-13 15:11:59,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:11:59,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:11:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:59,158 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 15:11:59,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:11:59,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247080092] [2024-11-13 15:11:59,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247080092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:11:59,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:11:59,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:11:59,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512424490] [2024-11-13 15:11:59,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:11:59,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:11:59,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:11:59,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:11:59,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:11:59,160 INFO L87 Difference]: Start difference. First operand 113 states and 118 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:11:59,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:11:59,207 INFO L93 Difference]: Finished difference Result 166 states and 172 transitions. [2024-11-13 15:11:59,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:11:59,208 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-13 15:11:59,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:11:59,209 INFO L225 Difference]: With dead ends: 166 [2024-11-13 15:11:59,209 INFO L226 Difference]: Without dead ends: 117 [2024-11-13 15:11:59,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:11:59,210 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 3 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 338 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 15:11:59,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 338 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:11:59,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-13 15:11:59,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-13 15:11:59,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 64 states have (on average 1.75) internal successors, (112), 110 states have internal predecessors, (112), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 15:11:59,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 122 transitions. [2024-11-13 15:11:59,219 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 122 transitions. Word has length 5 [2024-11-13 15:11:59,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:11:59,220 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 122 transitions. [2024-11-13 15:11:59,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:11:59,220 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 122 transitions. [2024-11-13 15:11:59,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 15:11:59,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:11:59,220 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:11:59,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:11:59,221 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-13 15:11:59,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:11:59,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1805858182, now seen corresponding path program 1 times [2024-11-13 15:11:59,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:11:59,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433016035] [2024-11-13 15:11:59,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:11:59,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:11:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:59,287 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 15:11:59,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:11:59,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433016035] [2024-11-13 15:11:59,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433016035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:11:59,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:11:59,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:11:59,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418144527] [2024-11-13 15:11:59,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:11:59,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:11:59,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:11:59,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:11:59,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:11:59,293 INFO L87 Difference]: Start difference. First operand 117 states and 122 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:11:59,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:11:59,488 INFO L93 Difference]: Finished difference Result 211 states and 221 transitions. [2024-11-13 15:11:59,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:11:59,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-13 15:11:59,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:11:59,490 INFO L225 Difference]: With dead ends: 211 [2024-11-13 15:11:59,491 INFO L226 Difference]: Without dead ends: 191 [2024-11-13 15:11:59,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:11:59,492 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 68 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:11:59,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 194 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:11:59,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-13 15:11:59,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 156. [2024-11-13 15:11:59,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 99 states have (on average 1.606060606060606) internal successors, (159), 145 states have internal predecessors, (159), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-13 15:11:59,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 177 transitions. [2024-11-13 15:11:59,521 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 177 transitions. Word has length 7 [2024-11-13 15:11:59,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:11:59,521 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 177 transitions. [2024-11-13 15:11:59,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:11:59,522 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 177 transitions. [2024-11-13 15:11:59,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 15:11:59,527 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:11:59,527 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:11:59,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:11:59,527 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-13 15:11:59,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:11:59,528 INFO L85 PathProgramCache]: Analyzing trace with hash 435077581, now seen corresponding path program 1 times [2024-11-13 15:11:59,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:11:59,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891177947] [2024-11-13 15:11:59,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:11:59,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:11:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:11:59,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [493901832] [2024-11-13 15:11:59,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:11:59,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:11:59,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:11:59,578 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:11:59,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:11:59,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:59,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:11:59,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:11:59,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:11:59,705 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:11:59,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:11:59,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891177947] [2024-11-13 15:11:59,706 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:11:59,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493901832] [2024-11-13 15:11:59,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493901832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:11:59,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:11:59,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:11:59,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910402228] [2024-11-13 15:11:59,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:11:59,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:11:59,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:11:59,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:11:59,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:11:59,708 INFO L87 Difference]: Start difference. First operand 156 states and 177 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 15:11:59,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:11:59,838 INFO L93 Difference]: Finished difference Result 183 states and 205 transitions. [2024-11-13 15:11:59,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:11:59,838 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-13 15:11:59,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:11:59,840 INFO L225 Difference]: With dead ends: 183 [2024-11-13 15:11:59,840 INFO L226 Difference]: Without dead ends: 175 [2024-11-13 15:11:59,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:11:59,841 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 41 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:11:59,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 166 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:11:59,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-13 15:11:59,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 167. [2024-11-13 15:11:59,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 109 states have (on average 1.5596330275229358) internal successors, (170), 155 states have internal predecessors, (170), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 15:11:59,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 190 transitions. [2024-11-13 15:11:59,868 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 190 transitions. Word has length 28 [2024-11-13 15:11:59,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:11:59,869 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 190 transitions. [2024-11-13 15:11:59,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 15:11:59,869 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 190 transitions. [2024-11-13 15:11:59,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 15:11:59,870 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:11:59,870 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:11:59,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 15:12:00,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:00,071 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-13 15:12:00,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:00,071 INFO L85 PathProgramCache]: Analyzing trace with hash 602503196, now seen corresponding path program 1 times [2024-11-13 15:12:00,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:00,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529698026] [2024-11-13 15:12:00,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:00,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:00,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:12:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:00,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 15:12:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:00,213 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:12:00,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:00,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529698026] [2024-11-13 15:12:00,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529698026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:00,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:12:00,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:12:00,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129519989] [2024-11-13 15:12:00,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:00,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:12:00,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:00,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:12:00,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:12:00,217 INFO L87 Difference]: Start difference. First operand 167 states and 190 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 15:12:00,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:00,353 INFO L93 Difference]: Finished difference Result 183 states and 201 transitions. [2024-11-13 15:12:00,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:12:00,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-11-13 15:12:00,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:00,355 INFO L225 Difference]: With dead ends: 183 [2024-11-13 15:12:00,355 INFO L226 Difference]: Without dead ends: 173 [2024-11-13 15:12:00,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:12:00,357 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 38 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:00,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 180 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:12:00,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-13 15:12:00,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 170. [2024-11-13 15:12:00,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 112 states have (on average 1.4821428571428572) internal successors, (166), 158 states have internal predecessors, (166), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 15:12:00,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 186 transitions. [2024-11-13 15:12:00,372 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 186 transitions. Word has length 29 [2024-11-13 15:12:00,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:00,372 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 186 transitions. [2024-11-13 15:12:00,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 15:12:00,373 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 186 transitions. [2024-11-13 15:12:00,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 15:12:00,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:00,374 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:12:00,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 15:12:00,374 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-13 15:12:00,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:00,375 INFO L85 PathProgramCache]: Analyzing trace with hash 504456593, now seen corresponding path program 1 times [2024-11-13 15:12:00,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:00,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851304093] [2024-11-13 15:12:00,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:00,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:00,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:12:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:00,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 15:12:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:00,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:12:00,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:00,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851304093] [2024-11-13 15:12:00,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851304093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:00,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:12:00,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:12:00,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529514657] [2024-11-13 15:12:00,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:00,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:12:00,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:00,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:12:00,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:12:00,520 INFO L87 Difference]: Start difference. First operand 170 states and 186 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 15:12:00,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:00,696 INFO L93 Difference]: Finished difference Result 175 states and 191 transitions. [2024-11-13 15:12:00,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:12:00,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-13 15:12:00,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:00,698 INFO L225 Difference]: With dead ends: 175 [2024-11-13 15:12:00,698 INFO L226 Difference]: Without dead ends: 173 [2024-11-13 15:12:00,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:12:00,700 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 83 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:00,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 186 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:12:00,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-13 15:12:00,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 170. [2024-11-13 15:12:00,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 112 states have (on average 1.4642857142857142) internal successors, (164), 158 states have internal predecessors, (164), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 15:12:00,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 184 transitions. [2024-11-13 15:12:00,725 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 184 transitions. Word has length 32 [2024-11-13 15:12:00,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:00,725 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 184 transitions. [2024-11-13 15:12:00,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 15:12:00,726 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 184 transitions. [2024-11-13 15:12:00,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 15:12:00,726 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:00,727 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:12:00,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 15:12:00,727 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-13 15:12:00,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:00,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1157122389, now seen corresponding path program 1 times [2024-11-13 15:12:00,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:00,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156236821] [2024-11-13 15:12:00,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:00,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:00,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:12:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:00,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 15:12:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:00,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:12:00,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:00,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156236821] [2024-11-13 15:12:00,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156236821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:00,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:12:00,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:12:00,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115325346] [2024-11-13 15:12:00,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:00,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:12:00,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:00,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:12:00,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:12:00,921 INFO L87 Difference]: Start difference. First operand 170 states and 184 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 15:12:01,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:01,051 INFO L93 Difference]: Finished difference Result 175 states and 185 transitions. [2024-11-13 15:12:01,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:12:01,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2024-11-13 15:12:01,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:01,053 INFO L225 Difference]: With dead ends: 175 [2024-11-13 15:12:01,053 INFO L226 Difference]: Without dead ends: 147 [2024-11-13 15:12:01,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:12:01,054 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 29 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:01,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 153 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:12:01,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-13 15:12:01,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-11-13 15:12:01,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 91 states have (on average 1.5274725274725274) internal successors, (139), 137 states have internal predecessors, (139), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 15:12:01,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 155 transitions. [2024-11-13 15:12:01,069 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 155 transitions. Word has length 36 [2024-11-13 15:12:01,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:01,072 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 155 transitions. [2024-11-13 15:12:01,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 15:12:01,072 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 155 transitions. [2024-11-13 15:12:01,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 15:12:01,073 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:01,073 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:12:01,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 15:12:01,076 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-13 15:12:01,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:01,077 INFO L85 PathProgramCache]: Analyzing trace with hash -371935886, now seen corresponding path program 1 times [2024-11-13 15:12:01,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:01,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807896940] [2024-11-13 15:12:01,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:01,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:01,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:12:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:01,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 15:12:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:01,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 15:12:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:01,275 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 15:12:01,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:01,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807896940] [2024-11-13 15:12:01,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807896940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:01,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:12:01,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:12:01,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098231796] [2024-11-13 15:12:01,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:01,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:12:01,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:01,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:12:01,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:12:01,280 INFO L87 Difference]: Start difference. First operand 147 states and 155 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-13 15:12:01,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:01,445 INFO L93 Difference]: Finished difference Result 150 states and 159 transitions. [2024-11-13 15:12:01,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:12:01,445 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2024-11-13 15:12:01,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:01,447 INFO L225 Difference]: With dead ends: 150 [2024-11-13 15:12:01,448 INFO L226 Difference]: Without dead ends: 149 [2024-11-13 15:12:01,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 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 15:12:01,449 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 1 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:01,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 221 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:12:01,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-13 15:12:01,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 148. [2024-11-13 15:12:01,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 92 states have (on average 1.5217391304347827) internal successors, (140), 138 states have internal predecessors, (140), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 15:12:01,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 156 transitions. [2024-11-13 15:12:01,462 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 156 transitions. Word has length 49 [2024-11-13 15:12:01,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:01,465 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 156 transitions. [2024-11-13 15:12:01,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-13 15:12:01,465 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 156 transitions. [2024-11-13 15:12:01,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 15:12:01,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:01,466 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:12:01,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 15:12:01,467 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-13 15:12:01,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:01,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1354889531, now seen corresponding path program 1 times [2024-11-13 15:12:01,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:01,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515025968] [2024-11-13 15:12:01,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:01,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:01,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:12:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:01,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 15:12:01,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:01,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 15:12:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:01,656 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 15:12:01,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:01,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515025968] [2024-11-13 15:12:01,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515025968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:01,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:12:01,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:12:01,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529967508] [2024-11-13 15:12:01,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:01,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:12:01,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:01,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:12:01,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:12:01,659 INFO L87 Difference]: Start difference. First operand 148 states and 156 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-13 15:12:01,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:01,800 INFO L93 Difference]: Finished difference Result 150 states and 158 transitions. [2024-11-13 15:12:01,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:12:01,801 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 50 [2024-11-13 15:12:01,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:01,802 INFO L225 Difference]: With dead ends: 150 [2024-11-13 15:12:01,803 INFO L226 Difference]: Without dead ends: 149 [2024-11-13 15:12:01,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:12:01,804 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:01,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 225 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:12:01,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-13 15:12:01,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2024-11-13 15:12:01,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 93 states have (on average 1.5161290322580645) internal successors, (141), 139 states have internal predecessors, (141), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 15:12:01,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 157 transitions. [2024-11-13 15:12:01,813 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 157 transitions. Word has length 50 [2024-11-13 15:12:01,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:01,813 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 157 transitions. [2024-11-13 15:12:01,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-13 15:12:01,814 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 157 transitions. [2024-11-13 15:12:01,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 15:12:01,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:01,815 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:12:01,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 15:12:01,815 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-13 15:12:01,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:01,815 INFO L85 PathProgramCache]: Analyzing trace with hash -588593973, now seen corresponding path program 1 times [2024-11-13 15:12:01,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:01,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412617173] [2024-11-13 15:12:01,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:01,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:01,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:01,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:12:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:01,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 15:12:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:01,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 15:12:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:01,944 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:12:01,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:01,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412617173] [2024-11-13 15:12:01,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412617173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:01,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:12:01,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:12:01,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966861722] [2024-11-13 15:12:01,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:01,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:12:01,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:01,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:12:01,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:12:01,945 INFO L87 Difference]: Start difference. First operand 149 states and 157 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-13 15:12:02,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:02,040 INFO L93 Difference]: Finished difference Result 197 states and 205 transitions. [2024-11-13 15:12:02,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:12:02,041 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 53 [2024-11-13 15:12:02,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:02,042 INFO L225 Difference]: With dead ends: 197 [2024-11-13 15:12:02,043 INFO L226 Difference]: Without dead ends: 196 [2024-11-13 15:12:02,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:12:02,044 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 83 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:02,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 506 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:12:02,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-13 15:12:02,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 164. [2024-11-13 15:12:02,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 106 states have (on average 1.528301886792453) internal successors, (162), 152 states have internal predecessors, (162), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 15:12:02,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 182 transitions. [2024-11-13 15:12:02,056 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 182 transitions. Word has length 53 [2024-11-13 15:12:02,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:02,057 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 182 transitions. [2024-11-13 15:12:02,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-13 15:12:02,057 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 182 transitions. [2024-11-13 15:12:02,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 15:12:02,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:02,058 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:12:02,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 15:12:02,059 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-13 15:12:02,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:02,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1296876466, now seen corresponding path program 1 times [2024-11-13 15:12:02,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:02,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602330327] [2024-11-13 15:12:02,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:02,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:12:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 15:12:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 15:12:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,156 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:12:02,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:02,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602330327] [2024-11-13 15:12:02,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602330327] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:12:02,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [181012962] [2024-11-13 15:12:02,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:02,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:02,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:02,161 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:12:02,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 15:12:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:12:02,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:12:02,305 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:12:02,305 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:12:02,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [181012962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:02,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:12:02,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-13 15:12:02,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790725290] [2024-11-13 15:12:02,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:02,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:12:02,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:02,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:12:02,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:12:02,307 INFO L87 Difference]: Start difference. First operand 164 states and 182 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-13 15:12:02,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:02,406 INFO L93 Difference]: Finished difference Result 164 states and 182 transitions. [2024-11-13 15:12:02,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:12:02,407 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 55 [2024-11-13 15:12:02,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:02,409 INFO L225 Difference]: With dead ends: 164 [2024-11-13 15:12:02,409 INFO L226 Difference]: Without dead ends: 155 [2024-11-13 15:12:02,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 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 15:12:02,410 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 121 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:02,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 127 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:12:02,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-13 15:12:02,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-11-13 15:12:02,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 106 states have (on average 1.4056603773584906) internal successors, (149), 143 states have internal predecessors, (149), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 15:12:02,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 169 transitions. [2024-11-13 15:12:02,419 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 169 transitions. Word has length 55 [2024-11-13 15:12:02,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:02,419 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 169 transitions. [2024-11-13 15:12:02,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-13 15:12:02,419 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 169 transitions. [2024-11-13 15:12:02,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 15:12:02,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:02,420 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:12:02,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 15:12:02,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:02,624 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-13 15:12:02,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:02,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1548464898, now seen corresponding path program 1 times [2024-11-13 15:12:02,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:02,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541451520] [2024-11-13 15:12:02,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:02,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:12:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 15:12:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 15:12:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,702 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:12:02,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:02,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541451520] [2024-11-13 15:12:02,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541451520] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:12:02,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060043276] [2024-11-13 15:12:02,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:02,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:02,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:02,705 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:12:02,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 15:12:02,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:02,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:12:02,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:12:02,859 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:12:02,859 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:12:02,977 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:12:02,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060043276] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:12:02,978 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:12:02,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-13 15:12:02,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710399033] [2024-11-13 15:12:02,979 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:12:02,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:12:02,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:02,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:12:02,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:12:02,983 INFO L87 Difference]: Start difference. First operand 155 states and 169 transitions. Second operand has 7 states, 6 states have (on average 19.0) internal successors, (114), 7 states have internal predecessors, (114), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-13 15:12:03,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:03,196 INFO L93 Difference]: Finished difference Result 279 states and 330 transitions. [2024-11-13 15:12:03,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:12:03,196 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 19.0) internal successors, (114), 7 states have internal predecessors, (114), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 56 [2024-11-13 15:12:03,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:03,198 INFO L225 Difference]: With dead ends: 279 [2024-11-13 15:12:03,198 INFO L226 Difference]: Without dead ends: 270 [2024-11-13 15:12:03,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:12:03,201 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 143 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:03,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 231 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:12:03,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-13 15:12:03,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 146. [2024-11-13 15:12:03,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 106 states have (on average 1.2830188679245282) internal successors, (136), 134 states have internal predecessors, (136), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 15:12:03,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 156 transitions. [2024-11-13 15:12:03,216 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 156 transitions. Word has length 56 [2024-11-13 15:12:03,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:03,217 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 156 transitions. [2024-11-13 15:12:03,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 19.0) internal successors, (114), 7 states have internal predecessors, (114), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-13 15:12:03,217 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 156 transitions. [2024-11-13 15:12:03,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 15:12:03,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:03,219 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:12:03,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 15:12:03,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-13 15:12:03,421 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-13 15:12:03,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:03,423 INFO L85 PathProgramCache]: Analyzing trace with hash -782558455, now seen corresponding path program 1 times [2024-11-13 15:12:03,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:03,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822164376] [2024-11-13 15:12:03,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:03,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:12:03,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [144196503] [2024-11-13 15:12:03,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:03,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:03,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:03,454 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:12:03,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 15:12:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:03,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:12:03,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:12:03,619 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 15:12:03,619 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:12:03,807 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 15:12:03,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:03,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822164376] [2024-11-13 15:12:03,808 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:12:03,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144196503] [2024-11-13 15:12:03,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144196503] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:12:03,808 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:12:03,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-13 15:12:03,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806450907] [2024-11-13 15:12:03,808 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:12:03,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:12:03,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:03,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:12:03,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:12:03,810 INFO L87 Difference]: Start difference. First operand 146 states and 156 transitions. Second operand has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-13 15:12:04,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:04,079 INFO L93 Difference]: Finished difference Result 370 states and 405 transitions. [2024-11-13 15:12:04,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:12:04,081 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 69 [2024-11-13 15:12:04,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:04,083 INFO L225 Difference]: With dead ends: 370 [2024-11-13 15:12:04,083 INFO L226 Difference]: Without dead ends: 368 [2024-11-13 15:12:04,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:12:04,084 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 336 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:04,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 319 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:12:04,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-13 15:12:04,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 244. [2024-11-13 15:12:04,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 196 states have (on average 1.3265306122448979) internal successors, (260), 224 states have internal predecessors, (260), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 15:12:04,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 296 transitions. [2024-11-13 15:12:04,108 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 296 transitions. Word has length 69 [2024-11-13 15:12:04,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:04,109 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 296 transitions. [2024-11-13 15:12:04,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-13 15:12:04,109 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 296 transitions. [2024-11-13 15:12:04,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 15:12:04,110 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:04,110 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:12:04,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 15:12:04,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-13 15:12:04,311 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-13 15:12:04,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:04,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1877431292, now seen corresponding path program 1 times [2024-11-13 15:12:04,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:04,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755960343] [2024-11-13 15:12:04,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:04,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:04,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:12:04,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1080993548] [2024-11-13 15:12:04,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:04,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:04,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:04,332 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:12:04,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 15:12:04,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:04,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:12:04,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:12:04,503 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 15:12:04,503 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:12:04,687 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 15:12:04,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:04,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755960343] [2024-11-13 15:12:04,688 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:12:04,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080993548] [2024-11-13 15:12:04,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080993548] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:12:04,688 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:12:04,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-13 15:12:04,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225885070] [2024-11-13 15:12:04,688 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:12:04,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:12:04,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:04,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:12:04,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:12:04,690 INFO L87 Difference]: Start difference. First operand 244 states and 296 transitions. Second operand has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-13 15:12:05,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:05,010 INFO L93 Difference]: Finished difference Result 332 states and 406 transitions. [2024-11-13 15:12:05,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:12:05,011 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 76 [2024-11-13 15:12:05,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:05,013 INFO L225 Difference]: With dead ends: 332 [2024-11-13 15:12:05,013 INFO L226 Difference]: Without dead ends: 324 [2024-11-13 15:12:05,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:12:05,014 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 212 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:05,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 263 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:12:05,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-13 15:12:05,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 244. [2024-11-13 15:12:05,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 200 states have (on average 1.24) internal successors, (248), 222 states have internal predecessors, (248), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 15:12:05,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 288 transitions. [2024-11-13 15:12:05,040 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 288 transitions. Word has length 76 [2024-11-13 15:12:05,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:05,040 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 288 transitions. [2024-11-13 15:12:05,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-13 15:12:05,040 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 288 transitions. [2024-11-13 15:12:05,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-13 15:12:05,041 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:05,041 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:12:05,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-13 15:12:05,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:05,242 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-13 15:12:05,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:05,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1929172232, now seen corresponding path program 1 times [2024-11-13 15:12:05,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:05,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902629393] [2024-11-13 15:12:05,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:05,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:05,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:12:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:05,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 15:12:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:05,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 15:12:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:05,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 15:12:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:05,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 15:12:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:05,407 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 15:12:05,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:05,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902629393] [2024-11-13 15:12:05,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902629393] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:12:05,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144047843] [2024-11-13 15:12:05,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:05,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:05,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:05,410 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:12:05,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 15:12:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:05,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:12:05,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:12:05,671 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 15:12:05,671 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:12:05,843 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 15:12:05,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144047843] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:12:05,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:12:05,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-13 15:12:05,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150674576] [2024-11-13 15:12:05,844 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:12:05,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 15:12:05,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:05,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 15:12:05,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:12:05,845 INFO L87 Difference]: Start difference. First operand 244 states and 288 transitions. Second operand has 10 states, 9 states have (on average 15.555555555555555) internal successors, (140), 10 states have internal predecessors, (140), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-13 15:12:06,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:06,088 INFO L93 Difference]: Finished difference Result 244 states and 288 transitions. [2024-11-13 15:12:06,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:12:06,089 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.555555555555555) internal successors, (140), 10 states have internal predecessors, (140), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 77 [2024-11-13 15:12:06,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:06,090 INFO L225 Difference]: With dead ends: 244 [2024-11-13 15:12:06,090 INFO L226 Difference]: Without dead ends: 241 [2024-11-13 15:12:06,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-13 15:12:06,092 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 98 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:06,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 204 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:12:06,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-13 15:12:06,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2024-11-13 15:12:06,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 200 states have (on average 1.205) internal successors, (241), 219 states have internal predecessors, (241), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 15:12:06,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 281 transitions. [2024-11-13 15:12:06,115 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 281 transitions. Word has length 77 [2024-11-13 15:12:06,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:06,116 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 281 transitions. [2024-11-13 15:12:06,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.555555555555555) internal successors, (140), 10 states have internal predecessors, (140), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-13 15:12:06,116 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 281 transitions. [2024-11-13 15:12:06,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-13 15:12:06,117 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:06,117 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:12:06,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 15:12:06,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-13 15:12:06,321 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-13 15:12:06,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:06,322 INFO L85 PathProgramCache]: Analyzing trace with hash -325202810, now seen corresponding path program 1 times [2024-11-13 15:12:06,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:06,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822021478] [2024-11-13 15:12:06,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:06,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:06,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:12:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:06,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 15:12:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:06,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 15:12:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:06,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 15:12:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:06,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 15:12:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:06,453 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 15:12:06,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:06,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822021478] [2024-11-13 15:12:06,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822021478] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:12:06,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30090476] [2024-11-13 15:12:06,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:06,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:06,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:06,456 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:12:06,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 15:12:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:06,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:12:06,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:12:06,718 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 15:12:06,719 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:12:06,859 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 15:12:06,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30090476] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:12:06,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:12:06,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-13 15:12:06,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081527340] [2024-11-13 15:12:06,860 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:12:06,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 15:12:06,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:06,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 15:12:06,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:12:06,862 INFO L87 Difference]: Start difference. First operand 241 states and 281 transitions. Second operand has 10 states, 9 states have (on average 15.777777777777779) internal successors, (142), 10 states have internal predecessors, (142), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-13 15:12:07,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:07,190 INFO L93 Difference]: Finished difference Result 296 states and 346 transitions. [2024-11-13 15:12:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:12:07,191 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.777777777777779) internal successors, (142), 10 states have internal predecessors, (142), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 78 [2024-11-13 15:12:07,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:07,193 INFO L225 Difference]: With dead ends: 296 [2024-11-13 15:12:07,193 INFO L226 Difference]: Without dead ends: 287 [2024-11-13 15:12:07,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=72, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:12:07,194 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 99 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:07,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 312 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:12:07,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-13 15:12:07,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 251. [2024-11-13 15:12:07,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 214 states have (on average 1.1214953271028036) internal successors, (240), 227 states have internal predecessors, (240), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-13 15:12:07,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 284 transitions. [2024-11-13 15:12:07,221 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 284 transitions. Word has length 78 [2024-11-13 15:12:07,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:07,221 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 284 transitions. [2024-11-13 15:12:07,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.777777777777779) internal successors, (142), 10 states have internal predecessors, (142), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-13 15:12:07,221 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 284 transitions. [2024-11-13 15:12:07,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-13 15:12:07,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:07,222 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:12:07,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-13 15:12:07,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-13 15:12:07,426 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-13 15:12:07,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:07,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1012716808, now seen corresponding path program 1 times [2024-11-13 15:12:07,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:07,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287286271] [2024-11-13 15:12:07,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:07,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:07,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:12:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:07,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 15:12:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:07,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 15:12:07,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:07,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 15:12:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:07,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 15:12:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:07,630 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 15:12:07,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:07,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287286271] [2024-11-13 15:12:07,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287286271] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:12:07,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115742988] [2024-11-13 15:12:07,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:07,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:07,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:07,633 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:12:07,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 15:12:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:07,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 15:12:07,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:12:07,993 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 15:12:07,994 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:12:07,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115742988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:07,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:12:07,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-13 15:12:07,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544484648] [2024-11-13 15:12:07,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:07,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:12:07,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:07,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:12:07,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:12:07,996 INFO L87 Difference]: Start difference. First operand 251 states and 284 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-13 15:12:08,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:08,159 INFO L93 Difference]: Finished difference Result 253 states and 286 transitions. [2024-11-13 15:12:08,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:12:08,160 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 80 [2024-11-13 15:12:08,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:08,161 INFO L225 Difference]: With dead ends: 253 [2024-11-13 15:12:08,161 INFO L226 Difference]: Without dead ends: 209 [2024-11-13 15:12:08,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:12:08,162 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 60 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:08,164 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 181 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:12:08,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-13 15:12:08,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2024-11-13 15:12:08,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 182 states have (on average 1.0494505494505495) internal successors, (191), 188 states have internal predecessors, (191), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 15:12:08,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 227 transitions. [2024-11-13 15:12:08,181 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 227 transitions. Word has length 80 [2024-11-13 15:12:08,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:08,181 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 227 transitions. [2024-11-13 15:12:08,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-13 15:12:08,182 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 227 transitions. [2024-11-13 15:12:08,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-13 15:12:08,184 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:08,184 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1] [2024-11-13 15:12:08,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 15:12:08,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-13 15:12:08,389 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-13 15:12:08,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:08,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1693629907, now seen corresponding path program 1 times [2024-11-13 15:12:08,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:08,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843192429] [2024-11-13 15:12:08,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:08,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:08,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:12:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:08,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 15:12:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:08,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 15:12:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:08,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 15:12:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:08,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 15:12:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:08,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 15:12:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:08,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 15:12:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:08,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 15:12:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:08,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-13 15:12:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:08,689 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-13 15:12:08,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:08,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843192429] [2024-11-13 15:12:08,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843192429] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:12:08,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525164079] [2024-11-13 15:12:08,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:08,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:08,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:08,692 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:12:08,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 15:12:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:08,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:12:08,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:12:08,895 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 147 proven. 1 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-13 15:12:08,895 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:12:09,019 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 75 proven. 1 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-11-13 15:12:09,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525164079] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:12:09,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:12:09,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 12 [2024-11-13 15:12:09,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546593717] [2024-11-13 15:12:09,019 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:12:09,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 15:12:09,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:09,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 15:12:09,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:12:09,021 INFO L87 Difference]: Start difference. First operand 209 states and 227 transitions. Second operand has 12 states, 12 states have (on average 15.25) internal successors, (183), 12 states have internal predecessors, (183), 5 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-13 15:12:09,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:09,168 INFO L93 Difference]: Finished difference Result 213 states and 230 transitions. [2024-11-13 15:12:09,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 15:12:09,169 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 15.25) internal successors, (183), 12 states have internal predecessors, (183), 5 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 146 [2024-11-13 15:12:09,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:09,170 INFO L225 Difference]: With dead ends: 213 [2024-11-13 15:12:09,170 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 15:12:09,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 302 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2024-11-13 15:12:09,171 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 7 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:09,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 80 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:12:09,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 15:12:09,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 15:12:09,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:12:09,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 15:12:09,172 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 146 [2024-11-13 15:12:09,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:09,172 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 15:12:09,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 15.25) internal successors, (183), 12 states have internal predecessors, (183), 5 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-13 15:12:09,172 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 15:12:09,173 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 15:12:09,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 52 remaining) [2024-11-13 15:12:09,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 52 remaining) [2024-11-13 15:12:09,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 52 remaining) [2024-11-13 15:12:09,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 52 remaining) [2024-11-13 15:12:09,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 52 remaining) [2024-11-13 15:12:09,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 52 remaining) [2024-11-13 15:12:09,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 52 remaining) [2024-11-13 15:12:09,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 52 remaining) [2024-11-13 15:12:09,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 52 remaining) [2024-11-13 15:12:09,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 52 remaining) [2024-11-13 15:12:09,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 52 remaining) [2024-11-13 15:12:09,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 52 remaining) [2024-11-13 15:12:09,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 52 remaining) [2024-11-13 15:12:09,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 52 remaining) [2024-11-13 15:12:09,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 52 remaining) [2024-11-13 15:12:09,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 52 remaining) [2024-11-13 15:12:09,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 52 remaining) [2024-11-13 15:12:09,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 52 remaining) [2024-11-13 15:12:09,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 52 remaining) [2024-11-13 15:12:09,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 52 remaining) [2024-11-13 15:12:09,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 52 remaining) [2024-11-13 15:12:09,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 52 remaining) [2024-11-13 15:12:09,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 52 remaining) [2024-11-13 15:12:09,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 52 remaining) [2024-11-13 15:12:09,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 52 remaining) [2024-11-13 15:12:09,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 52 remaining) [2024-11-13 15:12:09,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 52 remaining) [2024-11-13 15:12:09,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 52 remaining) [2024-11-13 15:12:09,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 52 remaining) [2024-11-13 15:12:09,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 52 remaining) [2024-11-13 15:12:09,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 52 remaining) [2024-11-13 15:12:09,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 52 remaining) [2024-11-13 15:12:09,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 52 remaining) [2024-11-13 15:12:09,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 52 remaining) [2024-11-13 15:12:09,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 52 remaining) [2024-11-13 15:12:09,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 52 remaining) [2024-11-13 15:12:09,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 52 remaining) [2024-11-13 15:12:09,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 52 remaining) [2024-11-13 15:12:09,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 52 remaining) [2024-11-13 15:12:09,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 52 remaining) [2024-11-13 15:12:09,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 52 remaining) [2024-11-13 15:12:09,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 52 remaining) [2024-11-13 15:12:09,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 52 remaining) [2024-11-13 15:12:09,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 52 remaining) [2024-11-13 15:12:09,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 52 remaining) [2024-11-13 15:12:09,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 52 remaining) [2024-11-13 15:12:09,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 52 remaining) [2024-11-13 15:12:09,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 52 remaining) [2024-11-13 15:12:09,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 52 remaining) [2024-11-13 15:12:09,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 52 remaining) [2024-11-13 15:12:09,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 52 remaining) [2024-11-13 15:12:09,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 52 remaining) [2024-11-13 15:12:09,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 15:12:09,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:09,386 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:12:09,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 15:12:10,332 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:12:10,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:12:10 BoogieIcfgContainer [2024-11-13 15:12:10,356 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:12:10,357 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:12:10,357 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:12:10,357 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:12:10,358 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:11:58" (3/4) ... [2024-11-13 15:12:10,360 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 15:12:10,365 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 15:12:10,369 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-13 15:12:10,369 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 15:12:10,370 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 15:12:10,370 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 15:12:10,445 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:12:10,445 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 15:12:10,445 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:12:10,446 INFO L158 Benchmark]: Toolchain (without parser) took 12829.80ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 91.9MB in the beginning and 41.7MB in the end (delta: 50.1MB). Peak memory consumption was 70.6MB. Max. memory is 16.1GB. [2024-11-13 15:12:10,446 INFO L158 Benchmark]: CDTParser took 1.33ms. Allocated memory is still 83.9MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 100.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:12:10,447 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.71ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 80.8MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:12:10,447 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.10ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:12:10,447 INFO L158 Benchmark]: Boogie Preprocessor took 41.32ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.0MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:12:10,448 INFO L158 Benchmark]: RCFGBuilder took 490.13ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 60.3MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:12:10,449 INFO L158 Benchmark]: TraceAbstraction took 11890.61ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 59.9MB in the beginning and 47.1MB in the end (delta: 12.8MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2024-11-13 15:12:10,449 INFO L158 Benchmark]: Witness Printer took 88.51ms. Allocated memory is still 142.6MB. Free memory was 47.1MB in the beginning and 41.7MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:12:10,451 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.33ms. Allocated memory is still 83.9MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 100.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.71ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 80.8MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.10ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.32ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.0MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 490.13ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 60.3MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 11890.61ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 59.9MB in the beginning and 47.1MB in the end (delta: 12.8MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. * Witness Printer took 88.51ms. Allocated memory is still 142.6MB. Free memory was 47.1MB in the beginning and 41.7MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 125 locations, 52 error locations. Started 1 CEGAR loops. OverallTime: 10.8s, OverallIterations: 19, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1594 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1539 mSDsluCounter, 4235 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2450 mSDsCounter, 175 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1894 IncrementalHoareTripleChecker+Invalid, 2069 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 175 mSolverCounterUnsat, 1785 mSDtfsCounter, 1894 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1310 GetRequests, 1224 SyntacticMatches, 3 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=251occurred in iteration=17, InterpolantAutomatonStates: 92, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 19 MinimizatonAttempts, 446 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 1599 NumberOfCodeBlocks, 1599 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 1897 ConstructedInterpolants, 0 QuantifiedInterpolants, 7025 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1202 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 31 InterpolantComputations, 13 PerfectInterpolantSequences, 1217/1387 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 52 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((t == 1) && (counter == 0)) && (a == 0)) && (s == 1)) || ((((3 == t) && (a == 1)) && (s == 4)) && (counter == 1))) - ProcedureContractResult [Line: 11]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (counter == \old(counter)) RESULT: Ultimate proved your program to be correct! [2024-11-13 15:12:10,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e997d-5ce7-4649-a98c-79cb3ba6f431/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE