./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/mono-crafted_8.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/mono-crafted_8.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e1972ee33272415a52c6f0d8a1f799e9d488ad771872c0cf36a214b07ea597fd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:29:23,714 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:29:23,820 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-13 23:29:23,830 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:29:23,831 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:29:23,860 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:29:23,861 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:29:23,861 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:29:23,861 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:29:23,861 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:29:23,862 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:29:23,862 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:29:23,862 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:29:23,862 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:29:23,862 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:29:23,862 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:29:23,863 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:29:23,863 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:29:23,863 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:29:23,863 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:29:23,863 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:29:23,863 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:29:23,865 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:29:23,865 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:29:23,866 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:29:23,866 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:29:23,866 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:29:23,866 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:29:23,866 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:29:23,866 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:29:23,866 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:29:23,867 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:29:23,867 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:29:23,867 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:29:23,867 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:29:23,867 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:29:23,867 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:29:23,867 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:29:23,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:29:23,867 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:29:23,867 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:29:23,868 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:29:23,868 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:29:23,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:29:23,868 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:29:23,868 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:29:23,868 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:29:23,868 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E 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 ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> e1972ee33272415a52c6f0d8a1f799e9d488ad771872c0cf36a214b07ea597fd [2024-11-13 23:29:24,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:29:24,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:29:24,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:29:24,258 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:29:24,258 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:29:24,260 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/loops-crafted-1/mono-crafted_8.c Unable to find full path for "g++" [2024-11-13 23:29:26,157 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:29:26,382 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:29:26,384 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/sv-benchmarks/c/loops-crafted-1/mono-crafted_8.c [2024-11-13 23:29:26,411 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/data/5650b062a/9e9109ede710473bb07811e7d0839912/FLAG1acfc21ec [2024-11-13 23:29:26,428 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/data/5650b062a/9e9109ede710473bb07811e7d0839912 [2024-11-13 23:29:26,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:29:26,436 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:29:26,437 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:29:26,439 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:29:26,444 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:29:26,445 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:29:26" (1/1) ... [2024-11-13 23:29:26,447 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba93192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:29:26, skipping insertion in model container [2024-11-13 23:29:26,447 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:29:26" (1/1) ... [2024-11-13 23:29:26,463 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:29:26,634 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/sv-benchmarks/c/loops-crafted-1/mono-crafted_8.c[318,331] [2024-11-13 23:29:26,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:29:26,655 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:29:26,663 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/sv-benchmarks/c/loops-crafted-1/mono-crafted_8.c[318,331] [2024-11-13 23:29:26,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:29:26,679 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:29:26,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:29:26 WrapperNode [2024-11-13 23:29:26,680 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:29:26,681 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:29:26,681 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:29:26,681 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:29:26,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:29:26" (1/1) ... [2024-11-13 23:29:26,694 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:29:26" (1/1) ... [2024-11-13 23:29:26,708 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2024-11-13 23:29:26,708 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:29:26,709 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:29:26,709 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:29:26,709 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:29:26,715 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:29:26" (1/1) ... [2024-11-13 23:29:26,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:29:26" (1/1) ... [2024-11-13 23:29:26,716 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:29:26" (1/1) ... [2024-11-13 23:29:26,717 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:29:26" (1/1) ... [2024-11-13 23:29:26,719 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:29:26" (1/1) ... [2024-11-13 23:29:26,722 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:29:26" (1/1) ... [2024-11-13 23:29:26,722 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:29:26" (1/1) ... [2024-11-13 23:29:26,723 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:29:26" (1/1) ... [2024-11-13 23:29:26,724 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:29:26,725 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:29:26,725 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:29:26,725 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:29:26,726 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:29:26" (1/1) ... [2024-11-13 23:29:26,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:29:26,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:29:26,763 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:29:26,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:29:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:29:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:29:26,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:29:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:29:26,854 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:29:26,857 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:29:26,971 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-13 23:29:26,971 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:29:27,025 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:29:27,025 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:29:27,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:29:27 BoogieIcfgContainer [2024-11-13 23:29:27,025 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:29:27,028 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:29:27,028 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:29:27,032 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:29:27,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:29:26" (1/3) ... [2024-11-13 23:29:27,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3962cbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:29:27, skipping insertion in model container [2024-11-13 23:29:27,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:29:26" (2/3) ... [2024-11-13 23:29:27,034 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3962cbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:29:27, skipping insertion in model container [2024-11-13 23:29:27,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:29:27" (3/3) ... [2024-11-13 23:29:27,035 INFO L112 eAbstractionObserver]: Analyzing ICFG mono-crafted_8.c [2024-11-13 23:29:27,051 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:29:27,052 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG mono-crafted_8.c that has 1 procedures, 7 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 23:29:27,101 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:29:27,113 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=FINITE_AUTOMATA, 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;@7ee38eb3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:29:27,113 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 23:29:27,117 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:29:27,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:29:27,122 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:29:27,123 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-13 23:29:27,123 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:29:27,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:29:27,127 INFO L85 PathProgramCache]: Analyzing trace with hash 2034246, now seen corresponding path program 1 times [2024-11-13 23:29:27,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:29:27,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658531610] [2024-11-13 23:29:27,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:29:27,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:29:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:27,462 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 23:29:27,463 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:29:27,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658531610] [2024-11-13 23:29:27,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658531610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:29:27,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:29:27,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:29:27,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949782360] [2024-11-13 23:29:27,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:29:27,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:29:27,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:29:27,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:29:27,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:29:27,494 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) 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 23:29:27,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:29:27,526 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2024-11-13 23:29:27,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:29:27,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) 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 23:29:27,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:29:27,534 INFO L225 Difference]: With dead ends: 13 [2024-11-13 23:29:27,534 INFO L226 Difference]: Without dead ends: 6 [2024-11-13 23:29:27,537 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 23:29:27,540 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:29:27,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:29:27,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2024-11-13 23:29:27,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2024-11-13 23:29:27,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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 23:29:27,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-13 23:29:27,575 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2024-11-13 23:29:27,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:29:27,576 INFO L471 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2024-11-13 23:29:27,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) 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 23:29:27,576 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-13 23:29:27,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 23:29:27,576 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:29:27,576 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-13 23:29:27,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 23:29:27,577 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:29:27,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:29:27,578 INFO L85 PathProgramCache]: Analyzing trace with hash 63165378, now seen corresponding path program 1 times [2024-11-13 23:29:27,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:29:27,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820683565] [2024-11-13 23:29:27,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:29:27,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:29:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:27,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:29:27,914 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:29:27,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820683565] [2024-11-13 23:29:27,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820683565] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:29:27,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876459795] [2024-11-13 23:29:27,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:29:27,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:29:27,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:29:27,917 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:29:27,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 23:29:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:27,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:27,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:28,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:29:28,036 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:29:28,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:29:28,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876459795] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:29:28,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [811810428] [2024-11-13 23:29:28,131 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2024-11-13 23:29:28,131 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:29:28,135 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:29:28,141 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:29:28,141 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:29:28,420 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:29:28,560 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '69#(and (exists ((|v_ULTIMATE.start_main_~z~0#1_29| Int)) (and (<= |v_ULTIMATE.start_main_~z~0#1_29| 5000000) (not (= 0 (mod |v_ULTIMATE.start_main_~z~0#1_29| 4294967296))))) (<= 1 |#StackHeapBarrier|) (exists ((|v_ULTIMATE.start_main_~x~0#1_32| Int)) (and (<= 10000000 (mod |v_ULTIMATE.start_main_~x~0#1_32| 4294967296)) (<= 0 |v_ULTIMATE.start_main_~x~0#1_32|))))' at error location [2024-11-13 23:29:28,561 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-13 23:29:28,561 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 23:29:28,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-13 23:29:28,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763427185] [2024-11-13 23:29:28,562 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 23:29:28,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 23:29:28,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:29:28,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 23:29:28,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-13 23:29:28,565 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 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 23:29:28,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:29:28,626 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2024-11-13 23:29:28,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 23:29:28,627 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 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 23:29:28,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:29:28,628 INFO L225 Difference]: With dead ends: 12 [2024-11-13 23:29:28,628 INFO L226 Difference]: Without dead ends: 9 [2024-11-13 23:29:28,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-13 23:29:28,629 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 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 23:29:28,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:29:28,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-13 23:29:28,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-13 23:29:28,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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 23:29:28,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-13 23:29:28,637 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-13 23:29:28,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:29:28,637 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-13 23:29:28,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 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 23:29:28,637 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-13 23:29:28,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:29:28,640 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:29:28,640 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1] [2024-11-13 23:29:28,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 23:29:28,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-13 23:29:28,841 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:29:28,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:29:28,843 INFO L85 PathProgramCache]: Analyzing trace with hash 667126086, now seen corresponding path program 2 times [2024-11-13 23:29:28,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:29:28,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814257323] [2024-11-13 23:29:28,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:29:28,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:29:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:29,239 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:29:29,239 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:29:29,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814257323] [2024-11-13 23:29:29,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814257323] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:29:29,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932545519] [2024-11-13 23:29:29,243 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 23:29:29,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:29:29,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:29:29,246 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:29:29,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 23:29:29,323 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-13 23:29:29,323 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 23:29:29,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:29:29,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:29,427 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:29:29,428 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:29:29,586 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:29:29,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932545519] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:29:29,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [78820380] [2024-11-13 23:29:29,588 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2024-11-13 23:29:29,588 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:29:29,589 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:29:29,589 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:29:29,589 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:29:29,748 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:29:29,922 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '163#(and (<= 1 |#StackHeapBarrier|) (exists ((|v_ULTIMATE.start_main_~z~0#1_37| Int)) (and (not (= (mod |v_ULTIMATE.start_main_~z~0#1_37| 4294967296) 0)) (<= |v_ULTIMATE.start_main_~z~0#1_37| 5000000))) (exists ((|v_ULTIMATE.start_main_~x~0#1_45| Int)) (and (<= 10000000 (mod |v_ULTIMATE.start_main_~x~0#1_45| 4294967296)) (<= 0 |v_ULTIMATE.start_main_~x~0#1_45|))))' at error location [2024-11-13 23:29:29,922 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-13 23:29:29,923 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 23:29:29,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 15 [2024-11-13 23:29:29,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249743853] [2024-11-13 23:29:29,923 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 23:29:29,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 23:29:29,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:29:29,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 23:29:29,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2024-11-13 23:29:29,927 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 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 23:29:30,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:29:30,307 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-13 23:29:30,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 23:29:30,309 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-13 23:29:30,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:29:30,310 INFO L225 Difference]: With dead ends: 18 [2024-11-13 23:29:30,310 INFO L226 Difference]: Without dead ends: 15 [2024-11-13 23:29:30,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506 [2024-11-13 23:29:30,311 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:29:30,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:29:30,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-13 23:29:30,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-13 23:29:30,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 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 23:29:30,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-11-13 23:29:30,324 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8 [2024-11-13 23:29:30,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:29:30,325 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2024-11-13 23:29:30,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 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 23:29:30,325 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-11-13 23:29:30,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 23:29:30,326 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:29:30,326 INFO L215 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1] [2024-11-13 23:29:30,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:30,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:29:30,528 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:29:30,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:29:30,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1497511878, now seen corresponding path program 3 times [2024-11-13 23:29:30,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:29:30,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195879696] [2024-11-13 23:29:30,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:29:30,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:29:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:31,256 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:29:31,256 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:29:31,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195879696] [2024-11-13 23:29:31,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195879696] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:29:31,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209926760] [2024-11-13 23:29:31,257 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 23:29:31,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:29:31,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:29:31,260 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:29:31,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 23:29:31,346 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 23:29:31,346 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 23:29:31,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 23:29:31,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:31,676 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:29:31,677 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:29:32,224 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:29:32,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209926760] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:29:32,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1602140852] [2024-11-13 23:29:32,228 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2024-11-13 23:29:32,228 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:29:32,228 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:29:32,229 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:29:32,229 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:29:32,360 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:29:32,602 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '341#(and (exists ((|v_ULTIMATE.start_main_~z~0#1_51| Int)) (and (not (= (mod |v_ULTIMATE.start_main_~z~0#1_51| 4294967296) 0)) (<= |v_ULTIMATE.start_main_~z~0#1_51| 5000000))) (<= 1 |#StackHeapBarrier|) (exists ((|v_ULTIMATE.start_main_~x~0#1_70| Int)) (and (<= 10000000 (mod |v_ULTIMATE.start_main_~x~0#1_70| 4294967296)) (<= 0 |v_ULTIMATE.start_main_~x~0#1_70|))))' at error location [2024-11-13 23:29:32,602 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-13 23:29:32,602 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 23:29:32,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 33 [2024-11-13 23:29:32,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406754663] [2024-11-13 23:29:32,603 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 23:29:32,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-13 23:29:32,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:29:32,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-13 23:29:32,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=333, Invalid=999, Unknown=0, NotChecked=0, Total=1332 [2024-11-13 23:29:32,608 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 34 states, 34 states have (on average 1.088235294117647) internal successors, (37), 33 states have internal predecessors, (37), 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 23:29:35,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:29:35,564 INFO L93 Difference]: Finished difference Result 30 states and 41 transitions. [2024-11-13 23:29:35,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 23:29:35,564 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 1.088235294117647) internal successors, (37), 33 states have internal predecessors, (37), 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 14 [2024-11-13 23:29:35,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:29:35,565 INFO L225 Difference]: With dead ends: 30 [2024-11-13 23:29:35,565 INFO L226 Difference]: Without dead ends: 27 [2024-11-13 23:29:35,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 615 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=673, Invalid=1489, Unknown=0, NotChecked=0, Total=2162 [2024-11-13 23:29:35,567 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 23:29:35,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 23:29:35,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-13 23:29:35,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-11-13 23:29:35,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 states have internal predecessors, (27), 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 23:29:35,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2024-11-13 23:29:35,579 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 14 [2024-11-13 23:29:35,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:29:35,579 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2024-11-13 23:29:35,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.088235294117647) internal successors, (37), 33 states have internal predecessors, (37), 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 23:29:35,579 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2024-11-13 23:29:35,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 23:29:35,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:29:35,580 INFO L215 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1] [2024-11-13 23:29:35,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 23:29:35,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:29:35,782 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:29:35,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:29:35,784 INFO L85 PathProgramCache]: Analyzing trace with hash 403764422, now seen corresponding path program 4 times [2024-11-13 23:29:35,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:29:35,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152063471] [2024-11-13 23:29:35,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:29:35,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:29:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:37,089 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:29:37,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:29:37,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152063471] [2024-11-13 23:29:37,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152063471] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:29:37,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331396650] [2024-11-13 23:29:37,090 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-13 23:29:37,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:29:37,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:29:37,092 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:29:37,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 23:29:37,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:37,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-13 23:29:37,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:38,223 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:29:38,224 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:29:39,736 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:29:39,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331396650] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:29:39,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [308821734] [2024-11-13 23:29:39,738 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2024-11-13 23:29:39,738 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:29:39,738 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:29:39,739 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:29:39,739 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:29:39,822 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:29:40,118 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '687#(and (exists ((|v_ULTIMATE.start_main_~z~0#1_77| Int)) (and (<= |v_ULTIMATE.start_main_~z~0#1_77| 5000000) (not (= (mod |v_ULTIMATE.start_main_~z~0#1_77| 4294967296) 0)))) (<= 1 |#StackHeapBarrier|) (exists ((|v_ULTIMATE.start_main_~x~0#1_119| Int)) (and (<= 0 |v_ULTIMATE.start_main_~x~0#1_119|) (<= 10000000 (mod |v_ULTIMATE.start_main_~x~0#1_119| 4294967296)))))' at error location [2024-11-13 23:29:40,118 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-13 23:29:40,118 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 23:29:40,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 69 [2024-11-13 23:29:40,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859681384] [2024-11-13 23:29:40,118 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 23:29:40,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-11-13 23:29:40,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:29:40,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-11-13 23:29:40,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1245, Invalid=4011, Unknown=0, NotChecked=0, Total=5256 [2024-11-13 23:29:40,123 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand has 70 states, 70 states have (on average 1.042857142857143) internal successors, (73), 69 states have internal predecessors, (73), 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 23:30:14,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:30:14,870 INFO L93 Difference]: Finished difference Result 54 states and 77 transitions. [2024-11-13 23:30:14,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-13 23:30:14,874 INFO L78 Accepts]: Start accepts. Automaton has has 70 states, 70 states have (on average 1.042857142857143) internal successors, (73), 69 states have internal predecessors, (73), 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 26 [2024-11-13 23:30:14,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:30:14,875 INFO L225 Difference]: With dead ends: 54 [2024-11-13 23:30:14,875 INFO L226 Difference]: Without dead ends: 51 [2024-11-13 23:30:14,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2667 ImplicationChecksByTransitivity, 36.8s TimeCoverageRelationStatistics Valid=2785, Invalid=6145, Unknown=0, NotChecked=0, Total=8930 [2024-11-13 23:30:14,878 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:30:14,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 714 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 23:30:14,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-13 23:30:14,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-13 23:30:14,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.02) internal successors, (51), 50 states have internal predecessors, (51), 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 23:30:14,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2024-11-13 23:30:14,910 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 26 [2024-11-13 23:30:14,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:30:14,910 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2024-11-13 23:30:14,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 1.042857142857143) internal successors, (73), 69 states have internal predecessors, (73), 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 23:30:14,911 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2024-11-13 23:30:14,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 23:30:14,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:30:14,912 INFO L215 NwaCegarLoop]: trace histogram [46, 1, 1, 1, 1] [2024-11-13 23:30:14,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 23:30:15,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:30:15,113 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:30:15,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:30:15,113 INFO L85 PathProgramCache]: Analyzing trace with hash 726920902, now seen corresponding path program 5 times [2024-11-13 23:30:15,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:30:15,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018061910] [2024-11-13 23:30:15,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:30:15,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:30:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:18,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:30:18,604 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:30:18,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018061910] [2024-11-13 23:30:18,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018061910] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:30:18,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764604526] [2024-11-13 23:30:18,605 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 23:30:18,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:30:18,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:30:18,607 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:30:18,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 23:30:23,357 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) [2024-11-13 23:30:23,357 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 23:30:23,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-11-13 23:30:23,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:26,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:30:26,439 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:30:31,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:30:31,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764604526] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:30:31,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [416985312] [2024-11-13 23:30:31,888 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2024-11-13 23:30:31,888 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:30:31,889 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:30:31,889 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:30:31,889 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:30:31,954 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:30:32,519 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1369#(and (<= 1 |#StackHeapBarrier|) (exists ((|v_ULTIMATE.start_main_~x~0#1_216| Int)) (and (<= 0 |v_ULTIMATE.start_main_~x~0#1_216|) (<= 10000000 (mod |v_ULTIMATE.start_main_~x~0#1_216| 4294967296)))) (exists ((|v_ULTIMATE.start_main_~z~0#1_127| Int)) (and (not (= (mod |v_ULTIMATE.start_main_~z~0#1_127| 4294967296) 0)) (<= |v_ULTIMATE.start_main_~z~0#1_127| 5000000))))' at error location [2024-11-13 23:30:32,519 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-13 23:30:32,519 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 23:30:32,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 141 [2024-11-13 23:30:32,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934131712] [2024-11-13 23:30:32,519 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 23:30:32,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 142 states [2024-11-13 23:30:32,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:30:32,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2024-11-13 23:30:32,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4797, Invalid=16083, Unknown=0, NotChecked=0, Total=20880 [2024-11-13 23:30:32,527 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand has 142 states, 142 states have (on average 1.0211267605633803) internal successors, (145), 141 states have internal predecessors, (145), 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 23:31:18,872 WARN L286 SmtUtils]: Spent 25.73s on a formula simplification. DAG size of input: 191 DAG size of output: 238 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:31:58,942 WARN L286 SmtUtils]: Spent 22.11s on a formula simplification. DAG size of input: 187 DAG size of output: 233 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:32:36,221 WARN L286 SmtUtils]: Spent 21.96s on a formula simplification. DAG size of input: 183 DAG size of output: 228 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:33:10,898 WARN L286 SmtUtils]: Spent 20.46s on a formula simplification. DAG size of input: 179 DAG size of output: 223 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:33:45,175 WARN L286 SmtUtils]: Spent 19.59s on a formula simplification. DAG size of input: 175 DAG size of output: 218 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:34:14,148 WARN L286 SmtUtils]: Spent 14.61s on a formula simplification. DAG size of input: 171 DAG size of output: 213 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:34:43,276 WARN L286 SmtUtils]: Spent 16.34s on a formula simplification. DAG size of input: 167 DAG size of output: 208 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:35:12,696 WARN L286 SmtUtils]: Spent 14.03s on a formula simplification. DAG size of input: 163 DAG size of output: 203 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:35:44,549 WARN L286 SmtUtils]: Spent 14.72s on a formula simplification. DAG size of input: 159 DAG size of output: 198 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:36:10,682 WARN L286 SmtUtils]: Spent 13.05s on a formula simplification. DAG size of input: 155 DAG size of output: 193 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:36:31,206 WARN L286 SmtUtils]: Spent 10.11s on a formula simplification. DAG size of input: 151 DAG size of output: 188 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:36:51,726 WARN L286 SmtUtils]: Spent 8.86s on a formula simplification. DAG size of input: 147 DAG size of output: 183 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:37:11,382 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification. DAG size of input: 143 DAG size of output: 178 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:37:30,910 WARN L286 SmtUtils]: Spent 9.41s on a formula simplification. DAG size of input: 139 DAG size of output: 173 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:37:48,082 WARN L286 SmtUtils]: Spent 7.41s on a formula simplification. DAG size of input: 135 DAG size of output: 168 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:38:05,475 WARN L286 SmtUtils]: Spent 6.35s on a formula simplification. DAG size of input: 131 DAG size of output: 163 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:38:20,984 WARN L286 SmtUtils]: Spent 5.84s on a formula simplification. DAG size of input: 127 DAG size of output: 158 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:38:36,177 WARN L286 SmtUtils]: Spent 6.58s on a formula simplification. DAG size of input: 123 DAG size of output: 153 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:38:49,572 WARN L286 SmtUtils]: Spent 5.77s on a formula simplification. DAG size of input: 119 DAG size of output: 148 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:40:37,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:40:37,419 INFO L93 Difference]: Finished difference Result 102 states and 149 transitions. [2024-11-13 23:40:37,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-11-13 23:40:37,420 INFO L78 Accepts]: Start accepts. Automaton has has 142 states, 142 states have (on average 1.0211267605633803) internal successors, (145), 141 states have internal predecessors, (145), 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 50 [2024-11-13 23:40:37,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:40:37,421 INFO L225 Difference]: With dead ends: 102 [2024-11-13 23:40:37,421 INFO L226 Difference]: Without dead ends: 99 [2024-11-13 23:40:37,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11082 ImplicationChecksByTransitivity, 606.7s TimeCoverageRelationStatistics Valid=11320, Invalid=24961, Unknown=9, NotChecked=0, Total=36290 [2024-11-13 23:40:37,428 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 3453 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 3454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-11-13 23:40:37,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 3454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3453 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2024-11-13 23:40:37,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-13 23:40:37,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-13 23:40:37,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 98 states have (on average 1.010204081632653) internal successors, (99), 98 states have internal predecessors, (99), 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 23:40:37,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 99 transitions. [2024-11-13 23:40:37,518 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 99 transitions. Word has length 50 [2024-11-13 23:40:37,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:40:37,518 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 99 transitions. [2024-11-13 23:40:37,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 142 states, 142 states have (on average 1.0211267605633803) internal successors, (145), 141 states have internal predecessors, (145), 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 23:40:37,519 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 99 transitions. [2024-11-13 23:40:37,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 23:40:37,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:40:37,521 INFO L215 NwaCegarLoop]: trace histogram [94, 1, 1, 1, 1] [2024-11-13 23:40:37,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 23:40:37,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-13 23:40:37,722 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:40:37,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:40:37,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1802494662, now seen corresponding path program 6 times [2024-11-13 23:40:37,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:40:37,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191859697] [2024-11-13 23:40:37,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:40:37,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:40:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:48,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:40:48,945 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:40:48,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191859697] [2024-11-13 23:40:48,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191859697] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:40:48,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339835979] [2024-11-13 23:40:48,945 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 23:40:48,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:40:48,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:40:48,947 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:40:48,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e879cd2e-977d-4231-a7f3-181491c9dd2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 23:40:49,332 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 23:40:49,332 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 23:40:49,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 194 conjuncts are in the unsatisfiable core [2024-11-13 23:40:49,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:41:02,161 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:41:02,161 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:41:25,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:41:25,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1339835979] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:41:25,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [166903238] [2024-11-13 23:41:25,453 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2024-11-13 23:41:25,453 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:41:25,453 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:41:25,453 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:41:25,454 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:41:25,500 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:41:26,584 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2723#(and (<= 1 |#StackHeapBarrier|) (exists ((|v_ULTIMATE.start_main_~z~0#1_225| Int)) (and (not (= (mod |v_ULTIMATE.start_main_~z~0#1_225| 4294967296) 0)) (<= |v_ULTIMATE.start_main_~z~0#1_225| 5000000))) (exists ((|v_ULTIMATE.start_main_~x~0#1_409| Int)) (and (<= 0 |v_ULTIMATE.start_main_~x~0#1_409|) (<= 10000000 (mod |v_ULTIMATE.start_main_~x~0#1_409| 4294967296)))))' at error location [2024-11-13 23:41:26,584 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-13 23:41:26,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 23:41:26,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 285 [2024-11-13 23:41:26,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890815124] [2024-11-13 23:41:26,584 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 23:41:26,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 286 states [2024-11-13 23:41:26,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:41:26,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 286 interpolants. [2024-11-13 23:41:26,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18813, Invalid=64419, Unknown=0, NotChecked=0, Total=83232 [2024-11-13 23:41:26,598 INFO L87 Difference]: Start difference. First operand 99 states and 99 transitions. Second operand has 286 states, 286 states have (on average 1.0104895104895104) internal successors, (289), 285 states have internal predecessors, (289), 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 23:41:35,055 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296)) (.cse0 (mod |c_ULTIMATE.start_main_~y~0#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 60) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 59) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 70) 4294967296) .cse0) (< (mod (+ 23 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 14) 4294967296) .cse0) (< (mod (+ 41 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 83) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 24) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 82) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 30) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 52) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 51) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 93) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 18) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 90) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 68) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 38) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 78) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 26) 4294967296) .cse0) (< .cse1 .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 74) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 31) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 67) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 34) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 49) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 63) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 64) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 16) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 69) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 84) 4294967296) .cse0) (< (mod (+ 56 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 75) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 46) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 44) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 17) 4294967296) .cse0) (< (mod (+ 53 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 73) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 57) 4294967296) .cse0) (< (mod (+ 76 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 32) 4294967296) .cse0) (< (mod (+ 92 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 11) 4294967296) .cse0) (< (mod (+ 40 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 21) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 45) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 42) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 48) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 35) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 86) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 85) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 39) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 27) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 13) 4294967296) .cse0) (or (< .cse0 (+ .cse1 1)) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 94) 4294967296) .cse0)) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 71) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 61) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 28) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 25) 4294967296) .cse0) (< (mod (+ 66 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 89) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 29) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 3) 4294967296) .cse0) (< (mod (+ 19 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 22) 4294967296) .cse0) (< (mod (+ 91 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 65) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296) .cse0) (< (mod (+ 77 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 20) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 33) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 43) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 1) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 15) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 72) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 79) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 50) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 87) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 37) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 47) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 58) 4294967296) .cse0) (< (mod (+ 88 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 36) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 80) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 54) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 55) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 62) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 81) 4294967296) .cse0))) is different from false [2024-11-13 23:41:37,086 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_main_~y~0#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 60) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 59) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 70) 4294967296) .cse0) (< (mod (+ 23 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 14) 4294967296) .cse0) (< (mod (+ 41 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 83) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 24) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 82) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 30) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 52) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 51) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 93) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 18) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 90) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 68) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 38) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 78) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 26) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 74) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 31) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 67) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 34) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 49) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 63) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 64) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 16) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 69) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 84) 4294967296) .cse0) (< (mod (+ 56 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 75) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 46) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 44) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 17) 4294967296) .cse0) (< (mod (+ 53 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 73) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 57) 4294967296) .cse0) (< (mod (+ 76 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 32) 4294967296) .cse0) (< (mod (+ 92 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 11) 4294967296) .cse0) (< (mod (+ 40 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 21) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 45) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 42) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 48) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 35) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 86) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 85) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 39) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 27) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 13) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 71) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 61) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 28) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 25) 4294967296) .cse0) (< (mod (+ 66 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 89) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 29) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 3) 4294967296) .cse0) (< (mod (+ 19 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 22) 4294967296) .cse0) (< (mod (+ 91 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 65) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296) .cse0) (< (mod (+ 77 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 20) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 33) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 43) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 1) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 15) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 72) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 79) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 50) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 87) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 37) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 47) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 58) 4294967296) .cse0) (< (mod (+ 88 |c_ULTIMATE.start_main_~x~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 36) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 80) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 54) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 55) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 62) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 81) 4294967296) .cse0))) is different from false