./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/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_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0f9cd32f4b321d9995f5b714ac7ab8f417de9e23e3b823c49499e1a07b5844c4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:24:02,919 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:24:03,053 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-14 04:24:03,064 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:24:03,067 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:24:03,123 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:24:03,124 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:24:03,126 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:24:03,127 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:24:03,127 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:24:03,128 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:24:03,129 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:24:03,129 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:24:03,129 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:24:03,129 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:24:03,129 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:24:03,129 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:24:03,129 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:24:03,129 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:24:03,130 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:24:03,130 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:24:03,130 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:24:03,130 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:24:03,130 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:24:03,131 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:24:03,131 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:24:03,131 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:24:03,131 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:24:03,131 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:24:03,131 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:24:03,131 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:24:03,131 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:24:03,131 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 04:24:03,131 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 04:24:03,133 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:24:03,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:24:03,134 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:24:03,134 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:24:03,134 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:24:03,134 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:24:03,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:24:03,135 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:24:03,135 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:24:03,135 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:24:03,136 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:24:03,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:24:03,136 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:24:03,136 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:24:03,136 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:24:03,137 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_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/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 ! overflow) ) 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 -> 0f9cd32f4b321d9995f5b714ac7ab8f417de9e23e3b823c49499e1a07b5844c4 [2024-11-14 04:24:03,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:24:03,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:24:03,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:24:03,588 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:24:03,589 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:24:03,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound1.c Unable to find full path for "g++" [2024-11-14 04:24:06,108 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:24:06,468 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:24:06,469 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound1.c [2024-11-14 04:24:06,488 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/data/359a7d9b6/a2afdfeb9d48415c9bbe149d21579191/FLAG1f9fa482d [2024-11-14 04:24:06,523 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/data/359a7d9b6/a2afdfeb9d48415c9bbe149d21579191 [2024-11-14 04:24:06,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:24:06,529 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:24:06,534 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:24:06,534 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:24:06,547 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:24:06,549 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:24:06" (1/1) ... [2024-11-14 04:24:06,552 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@264a7bf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:06, skipping insertion in model container [2024-11-14 04:24:06,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:24:06" (1/1) ... [2024-11-14 04:24:06,577 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:24:06,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:24:06,855 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:24:06,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:24:06,909 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:24:06,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:06 WrapperNode [2024-11-14 04:24:06,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:24:06,911 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:24:06,911 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:24:06,911 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:24:06,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:06" (1/1) ... [2024-11-14 04:24:06,932 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:06" (1/1) ... [2024-11-14 04:24:06,964 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 158 [2024-11-14 04:24:06,964 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:24:06,965 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:24:06,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:24:06,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:24:06,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:06" (1/1) ... [2024-11-14 04:24:06,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:06" (1/1) ... [2024-11-14 04:24:06,982 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:06" (1/1) ... [2024-11-14 04:24:06,983 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:06" (1/1) ... [2024-11-14 04:24:06,996 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:06" (1/1) ... [2024-11-14 04:24:07,012 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:06" (1/1) ... [2024-11-14 04:24:07,014 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:06" (1/1) ... [2024-11-14 04:24:07,019 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:06" (1/1) ... [2024-11-14 04:24:07,025 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:24:07,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:24:07,027 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:24:07,027 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:24:07,028 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:06" (1/1) ... [2024-11-14 04:24:07,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:24:07,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:24:07,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:24:07,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:24:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:24:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:24:07,136 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:24:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:24:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:24:07,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:24:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-14 04:24:07,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-14 04:24:07,244 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:24:07,247 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:24:08,456 INFO L? ?]: Removed 200 outVars from TransFormulas that were not future-live. [2024-11-14 04:24:08,457 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:24:08,535 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:24:08,535 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-14 04:24:08,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:24:08 BoogieIcfgContainer [2024-11-14 04:24:08,536 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:24:08,540 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:24:08,540 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:24:08,546 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:24:08,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:24:06" (1/3) ... [2024-11-14 04:24:08,548 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d87edcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:24:08, skipping insertion in model container [2024-11-14 04:24:08,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:24:06" (2/3) ... [2024-11-14 04:24:08,548 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d87edcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:24:08, skipping insertion in model container [2024-11-14 04:24:08,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:24:08" (3/3) ... [2024-11-14 04:24:08,550 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd2-ll_unwindbound1.c [2024-11-14 04:24:08,573 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:24:08,576 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd2-ll_unwindbound1.c that has 3 procedures, 161 locations, 1 initial locations, 2 loop locations, and 68 error locations. [2024-11-14 04:24:08,691 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:24:08,708 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;@56b22177, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:24:08,708 INFO L334 AbstractCegarLoop]: Starting to check reachability of 68 error locations. [2024-11-14 04:24:08,714 INFO L276 IsEmpty]: Start isEmpty. Operand has 161 states, 80 states have (on average 1.925) internal successors, (154), 149 states have internal predecessors, (154), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-14 04:24:08,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-14 04:24:08,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:08,725 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:08,726 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-14 04:24:08,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:08,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1647796651, now seen corresponding path program 1 times [2024-11-14 04:24:08,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:08,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108270005] [2024-11-14 04:24:08,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:08,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:08,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:24:08,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [965203066] [2024-11-14 04:24:08,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:08,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:24:08,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:24:08,903 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:24:08,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:24:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:09,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 04:24:09,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:24:09,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 04:24:09,277 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:24:09,277 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:09,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108270005] [2024-11-14 04:24:09,279 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 04:24:09,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965203066] [2024-11-14 04:24:09,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965203066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:09,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:24:09,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:24:09,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404398247] [2024-11-14 04:24:09,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:09,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:24:09,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:09,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:24:09,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:24:09,333 INFO L87 Difference]: Start difference. First operand has 161 states, 80 states have (on average 1.925) internal successors, (154), 149 states have internal predecessors, (154), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 6 states, 2 states have (on average 2.0) internal successors, (4), 4 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:24:10,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:10,057 INFO L93 Difference]: Finished difference Result 306 states and 329 transitions. [2024-11-14 04:24:10,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:24:10,061 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 2 states have (on average 2.0) internal successors, (4), 4 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 9 [2024-11-14 04:24:10,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:10,071 INFO L225 Difference]: With dead ends: 306 [2024-11-14 04:24:10,071 INFO L226 Difference]: Without dead ends: 155 [2024-11-14 04:24:10,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:24:10,080 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 327 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:10,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 164 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 04:24:10,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-14 04:24:10,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-11-14 04:24:10,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 79 states have (on average 1.860759493670886) internal successors, (147), 144 states have internal predecessors, (147), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-14 04:24:10,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 165 transitions. [2024-11-14 04:24:10,178 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 165 transitions. Word has length 9 [2024-11-14 04:24:10,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:10,180 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 165 transitions. [2024-11-14 04:24:10,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 2 states have (on average 2.0) internal successors, (4), 4 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:24:10,180 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 165 transitions. [2024-11-14 04:24:10,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-14 04:24:10,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:10,182 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:10,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-14 04:24:10,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 04:24:10,384 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-14 04:24:10,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:10,385 INFO L85 PathProgramCache]: Analyzing trace with hash -457911332, now seen corresponding path program 1 times [2024-11-14 04:24:10,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:10,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82802367] [2024-11-14 04:24:10,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:10,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:24:10,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1691957078] [2024-11-14 04:24:10,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:10,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:24:10,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:24:10,419 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:24:10,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 04:24:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:10,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 04:24:10,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:24:10,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 04:24:10,614 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:24:10,614 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:10,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82802367] [2024-11-14 04:24:10,614 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 04:24:10,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691957078] [2024-11-14 04:24:10,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691957078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:10,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:24:10,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:24:10,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42299477] [2024-11-14 04:24:10,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:10,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:24:10,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:10,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:24:10,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:24:10,620 INFO L87 Difference]: Start difference. First operand 155 states and 165 transitions. Second operand has 5 states, 2 states have (on average 3.0) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:24:11,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:11,446 INFO L93 Difference]: Finished difference Result 155 states and 165 transitions. [2024-11-14 04:24:11,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:24:11,448 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 2 states have (on average 3.0) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 10 [2024-11-14 04:24:11,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:11,449 INFO L225 Difference]: With dead ends: 155 [2024-11-14 04:24:11,450 INFO L226 Difference]: Without dead ends: 154 [2024-11-14 04:24:11,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:24:11,452 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 103 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:11,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 168 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-14 04:24:11,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-14 04:24:11,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2024-11-14 04:24:11,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 79 states have (on average 1.8481012658227849) internal successors, (146), 143 states have internal predecessors, (146), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-14 04:24:11,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 164 transitions. [2024-11-14 04:24:11,471 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 164 transitions. Word has length 10 [2024-11-14 04:24:11,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:11,471 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 164 transitions. [2024-11-14 04:24:11,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 2 states have (on average 3.0) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:24:11,472 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 164 transitions. [2024-11-14 04:24:11,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-14 04:24:11,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:11,473 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:11,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 04:24:11,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:24:11,677 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-14 04:24:11,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:11,678 INFO L85 PathProgramCache]: Analyzing trace with hash -304664988, now seen corresponding path program 1 times [2024-11-14 04:24:11,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:11,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566122050] [2024-11-14 04:24:11,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:11,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:12,002 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 04:24:12,002 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:12,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566122050] [2024-11-14 04:24:12,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566122050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:12,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:24:12,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:24:12,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784875430] [2024-11-14 04:24:12,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:12,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:24:12,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:12,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:24:12,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:24:12,005 INFO L87 Difference]: Start difference. First operand 154 states and 164 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-14 04:24:12,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:12,080 INFO L93 Difference]: Finished difference Result 187 states and 197 transitions. [2024-11-14 04:24:12,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:24:12,081 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 20 [2024-11-14 04:24:12,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:12,083 INFO L225 Difference]: With dead ends: 187 [2024-11-14 04:24:12,083 INFO L226 Difference]: Without dead ends: 158 [2024-11-14 04:24:12,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:24:12,084 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 9 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:12,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 454 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:24:12,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-14 04:24:12,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2024-11-14 04:24:12,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 83 states have (on average 1.8072289156626506) internal successors, (150), 146 states have internal predecessors, (150), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-14 04:24:12,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 168 transitions. [2024-11-14 04:24:12,158 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 168 transitions. Word has length 20 [2024-11-14 04:24:12,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:12,158 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 168 transitions. [2024-11-14 04:24:12,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-14 04:24:12,159 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 168 transitions. [2024-11-14 04:24:12,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-14 04:24:12,160 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:12,160 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:12,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 04:24:12,160 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-14 04:24:12,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:12,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1205185046, now seen corresponding path program 1 times [2024-11-14 04:24:12,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:12,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564123736] [2024-11-14 04:24:12,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:12,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:12,410 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-14 04:24:12,410 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:12,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564123736] [2024-11-14 04:24:12,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564123736] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:24:12,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016812383] [2024-11-14 04:24:12,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:12,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:24:12,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:24:12,415 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:24:12,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 04:24:12,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:12,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:24:12,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:24:12,536 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 04:24:12,537 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:24:12,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016812383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:12,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:24:12,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-14 04:24:12,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898387146] [2024-11-14 04:24:12,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:12,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:24:12,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:12,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:24:12,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:24:12,540 INFO L87 Difference]: Start difference. First operand 158 states and 168 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:24:13,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:13,116 INFO L93 Difference]: Finished difference Result 268 states and 301 transitions. [2024-11-14 04:24:13,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:24:13,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 24 [2024-11-14 04:24:13,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:13,120 INFO L225 Difference]: With dead ends: 268 [2024-11-14 04:24:13,120 INFO L226 Difference]: Without dead ends: 258 [2024-11-14 04:24:13,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:24:13,122 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 95 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:13,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 230 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-14 04:24:13,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-14 04:24:13,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 213. [2024-11-14 04:24:13,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 134 states have (on average 1.791044776119403) internal successors, (240), 197 states have internal predecessors, (240), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-14 04:24:13,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 266 transitions. [2024-11-14 04:24:13,159 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 266 transitions. Word has length 24 [2024-11-14 04:24:13,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:13,160 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 266 transitions. [2024-11-14 04:24:13,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:24:13,160 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 266 transitions. [2024-11-14 04:24:13,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-14 04:24:13,161 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:13,161 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:13,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-14 04:24:13,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:24:13,366 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-14 04:24:13,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:13,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1293967416, now seen corresponding path program 1 times [2024-11-14 04:24:13,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:13,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980505193] [2024-11-14 04:24:13,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:13,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:13,548 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 04:24:13,548 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:13,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980505193] [2024-11-14 04:24:13,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980505193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:13,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:24:13,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 04:24:13,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784895785] [2024-11-14 04:24:13,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:13,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 04:24:13,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:13,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 04:24:13,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:24:13,550 INFO L87 Difference]: Start difference. First operand 213 states and 266 transitions. Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-14 04:24:13,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:13,756 INFO L93 Difference]: Finished difference Result 403 states and 464 transitions. [2024-11-14 04:24:13,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 04:24:13,761 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 25 [2024-11-14 04:24:13,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:13,762 INFO L225 Difference]: With dead ends: 403 [2024-11-14 04:24:13,763 INFO L226 Difference]: Without dead ends: 209 [2024-11-14 04:24:13,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-14 04:24:13,768 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 57 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:13,769 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 880 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:24:13,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-14 04:24:13,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 175. [2024-11-14 04:24:13,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 98 states have (on average 1.7448979591836735) internal successors, (171), 162 states have internal predecessors, (171), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-14 04:24:13,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 191 transitions. [2024-11-14 04:24:13,807 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 191 transitions. Word has length 25 [2024-11-14 04:24:13,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:13,807 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 191 transitions. [2024-11-14 04:24:13,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-14 04:24:13,809 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 191 transitions. [2024-11-14 04:24:13,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-14 04:24:13,810 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:13,810 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:13,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 04:24:13,811 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-14 04:24:13,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:13,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1458284303, now seen corresponding path program 1 times [2024-11-14 04:24:13,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:13,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104112986] [2024-11-14 04:24:13,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:13,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:14,027 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 04:24:14,027 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:14,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104112986] [2024-11-14 04:24:14,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104112986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:14,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:24:14,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 04:24:14,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416866022] [2024-11-14 04:24:14,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:14,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 04:24:14,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:14,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 04:24:14,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:24:14,031 INFO L87 Difference]: Start difference. First operand 175 states and 191 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-14 04:24:14,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:14,160 INFO L93 Difference]: Finished difference Result 192 states and 202 transitions. [2024-11-14 04:24:14,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 04:24:14,161 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 26 [2024-11-14 04:24:14,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:14,163 INFO L225 Difference]: With dead ends: 192 [2024-11-14 04:24:14,164 INFO L226 Difference]: Without dead ends: 191 [2024-11-14 04:24:14,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-14 04:24:14,166 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 39 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:14,168 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 619 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:24:14,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-14 04:24:14,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 175. [2024-11-14 04:24:14,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 98 states have (on average 1.7346938775510203) internal successors, (170), 162 states have internal predecessors, (170), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-14 04:24:14,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 190 transitions. [2024-11-14 04:24:14,184 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 190 transitions. Word has length 26 [2024-11-14 04:24:14,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:14,185 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 190 transitions. [2024-11-14 04:24:14,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-14 04:24:14,185 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 190 transitions. [2024-11-14 04:24:14,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-14 04:24:14,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:14,186 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:14,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 04:24:14,187 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-14 04:24:14,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:14,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1458346860, now seen corresponding path program 1 times [2024-11-14 04:24:14,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:14,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544670200] [2024-11-14 04:24:14,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:14,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:14,299 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-14 04:24:14,299 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:14,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544670200] [2024-11-14 04:24:14,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544670200] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:24:14,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614991506] [2024-11-14 04:24:14,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:14,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:24:14,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:24:14,303 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:24:14,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 04:24:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:14,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:24:14,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:24:14,555 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 04:24:14,555 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:24:14,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614991506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:14,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:24:14,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-11-14 04:24:14,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876069736] [2024-11-14 04:24:14,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:14,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:24:14,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:14,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:24:14,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:24:14,560 INFO L87 Difference]: Start difference. First operand 175 states and 190 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:24:15,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:15,220 INFO L93 Difference]: Finished difference Result 192 states and 213 transitions. [2024-11-14 04:24:15,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:24:15,221 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 26 [2024-11-14 04:24:15,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:15,223 INFO L225 Difference]: With dead ends: 192 [2024-11-14 04:24:15,223 INFO L226 Difference]: Without dead ends: 191 [2024-11-14 04:24:15,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:24:15,225 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 169 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:15,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 171 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 04:24:15,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-14 04:24:15,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 175. [2024-11-14 04:24:15,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 98 states have (on average 1.7244897959183674) internal successors, (169), 162 states have internal predecessors, (169), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-14 04:24:15,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 189 transitions. [2024-11-14 04:24:15,241 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 189 transitions. Word has length 26 [2024-11-14 04:24:15,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:15,242 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 189 transitions. [2024-11-14 04:24:15,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:24:15,242 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 189 transitions. [2024-11-14 04:24:15,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-14 04:24:15,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:15,243 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:15,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-14 04:24:15,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:24:15,448 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-14 04:24:15,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:15,449 INFO L85 PathProgramCache]: Analyzing trace with hash -2035887400, now seen corresponding path program 1 times [2024-11-14 04:24:15,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:15,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611935704] [2024-11-14 04:24:15,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:15,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:15,594 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-14 04:24:15,595 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:15,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611935704] [2024-11-14 04:24:15,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611935704] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:24:15,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953452500] [2024-11-14 04:24:15,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:15,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:24:15,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:24:15,601 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:24:15,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 04:24:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:15,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:24:15,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:24:15,864 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 04:24:15,865 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:24:15,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953452500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:15,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:24:15,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-11-14 04:24:15,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085132807] [2024-11-14 04:24:15,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:15,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:24:15,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:15,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:24:15,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:24:15,867 INFO L87 Difference]: Start difference. First operand 175 states and 189 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:24:16,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:16,706 INFO L93 Difference]: Finished difference Result 184 states and 200 transitions. [2024-11-14 04:24:16,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:24:16,707 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 27 [2024-11-14 04:24:16,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:16,708 INFO L225 Difference]: With dead ends: 184 [2024-11-14 04:24:16,708 INFO L226 Difference]: Without dead ends: 183 [2024-11-14 04:24:16,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:24:16,710 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 15 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:16,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 285 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-14 04:24:16,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-14 04:24:16,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 175. [2024-11-14 04:24:16,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 98 states have (on average 1.7142857142857142) internal successors, (168), 162 states have internal predecessors, (168), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-14 04:24:16,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 188 transitions. [2024-11-14 04:24:16,724 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 188 transitions. Word has length 27 [2024-11-14 04:24:16,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:16,725 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 188 transitions. [2024-11-14 04:24:16,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:24:16,725 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 188 transitions. [2024-11-14 04:24:16,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-14 04:24:16,726 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:16,726 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:16,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-14 04:24:16,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:24:16,931 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-14 04:24:16,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:16,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1312000238, now seen corresponding path program 1 times [2024-11-14 04:24:16,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:16,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851143701] [2024-11-14 04:24:16,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:16,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:17,040 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-14 04:24:17,040 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:17,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851143701] [2024-11-14 04:24:17,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851143701] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:24:17,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531830442] [2024-11-14 04:24:17,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:17,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:24:17,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:24:17,044 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:24:17,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-14 04:24:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:17,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:24:17,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:24:17,217 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 04:24:17,217 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:24:17,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [531830442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:17,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:24:17,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-11-14 04:24:17,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009518830] [2024-11-14 04:24:17,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:17,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:24:17,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:17,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:24:17,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:24:17,221 INFO L87 Difference]: Start difference. First operand 175 states and 188 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:24:18,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:18,971 INFO L93 Difference]: Finished difference Result 190 states and 203 transitions. [2024-11-14 04:24:18,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:24:18,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 28 [2024-11-14 04:24:18,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:18,974 INFO L225 Difference]: With dead ends: 190 [2024-11-14 04:24:18,974 INFO L226 Difference]: Without dead ends: 189 [2024-11-14 04:24:18,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:24:18,975 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 22 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:18,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 300 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-14 04:24:18,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-11-14 04:24:18,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 175. [2024-11-14 04:24:18,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 98 states have (on average 1.7040816326530612) internal successors, (167), 162 states have internal predecessors, (167), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-14 04:24:18,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 187 transitions. [2024-11-14 04:24:18,988 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 187 transitions. Word has length 28 [2024-11-14 04:24:18,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:18,989 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 187 transitions. [2024-11-14 04:24:18,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:24:18,989 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 187 transitions. [2024-11-14 04:24:18,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-14 04:24:18,990 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:18,990 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:19,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-14 04:24:19,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:24:19,195 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-14 04:24:19,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:19,195 INFO L85 PathProgramCache]: Analyzing trace with hash 2017301914, now seen corresponding path program 1 times [2024-11-14 04:24:19,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:19,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749326411] [2024-11-14 04:24:19,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:19,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:19,316 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-14 04:24:19,316 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:19,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749326411] [2024-11-14 04:24:19,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749326411] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:24:19,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886472595] [2024-11-14 04:24:19,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:19,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:24:19,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:24:19,320 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:24:19,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-14 04:24:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:19,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:24:19,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:24:19,715 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 04:24:19,715 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:24:19,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886472595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:19,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:24:19,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-11-14 04:24:19,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939179119] [2024-11-14 04:24:19,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:19,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:24:19,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:19,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:24:19,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:24:19,717 INFO L87 Difference]: Start difference. First operand 175 states and 187 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:24:20,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:20,402 INFO L93 Difference]: Finished difference Result 190 states and 202 transitions. [2024-11-14 04:24:20,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:24:20,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 29 [2024-11-14 04:24:20,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:20,405 INFO L225 Difference]: With dead ends: 190 [2024-11-14 04:24:20,405 INFO L226 Difference]: Without dead ends: 189 [2024-11-14 04:24:20,406 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:24:20,406 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 29 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:20,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 254 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-14 04:24:20,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-11-14 04:24:20,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 175. [2024-11-14 04:24:20,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 98 states have (on average 1.6938775510204083) internal successors, (166), 162 states have internal predecessors, (166), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-14 04:24:20,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 186 transitions. [2024-11-14 04:24:20,421 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 186 transitions. Word has length 29 [2024-11-14 04:24:20,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:20,422 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 186 transitions. [2024-11-14 04:24:20,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:24:20,422 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 186 transitions. [2024-11-14 04:24:20,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-14 04:24:20,423 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:20,423 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:20,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-14 04:24:20,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-14 04:24:20,624 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-14 04:24:20,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:20,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1530896351, now seen corresponding path program 1 times [2024-11-14 04:24:20,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:20,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477808465] [2024-11-14 04:24:20,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:20,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:20,818 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 04:24:20,818 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:20,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477808465] [2024-11-14 04:24:20,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477808465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:20,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:24:20,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:24:20,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988995474] [2024-11-14 04:24:20,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:20,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:24:20,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:20,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:24:20,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:24:20,821 INFO L87 Difference]: Start difference. First operand 175 states and 186 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:24:22,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:22,598 INFO L93 Difference]: Finished difference Result 186 states and 201 transitions. [2024-11-14 04:24:22,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:24:22,599 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 31 [2024-11-14 04:24:22,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:22,600 INFO L225 Difference]: With dead ends: 186 [2024-11-14 04:24:22,600 INFO L226 Difference]: Without dead ends: 185 [2024-11-14 04:24:22,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:24:22,602 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 15 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:22,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 509 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-14 04:24:22,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-14 04:24:22,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 176. [2024-11-14 04:24:22,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 99 states have (on average 1.6868686868686869) internal successors, (167), 163 states have internal predecessors, (167), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-14 04:24:22,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 187 transitions. [2024-11-14 04:24:22,617 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 187 transitions. Word has length 31 [2024-11-14 04:24:22,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:22,618 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 187 transitions. [2024-11-14 04:24:22,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:24:22,618 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 187 transitions. [2024-11-14 04:24:22,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-14 04:24:22,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:22,621 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:22,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-14 04:24:22,621 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-14 04:24:22,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:22,622 INFO L85 PathProgramCache]: Analyzing trace with hash 213146802, now seen corresponding path program 1 times [2024-11-14 04:24:22,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:22,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245239780] [2024-11-14 04:24:22,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:22,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:24:22,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [934575803] [2024-11-14 04:24:22,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:22,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:24:22,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:24:22,652 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:24:22,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-14 04:24:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:22,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:24:22,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:24:22,911 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 04:24:22,911 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:24:22,911 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:22,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245239780] [2024-11-14 04:24:22,912 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 04:24:22,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934575803] [2024-11-14 04:24:22,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934575803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:22,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:24:22,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:24:22,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145002070] [2024-11-14 04:24:22,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:22,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:24:22,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:22,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:24:22,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:24:22,914 INFO L87 Difference]: Start difference. First operand 176 states and 187 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:24:23,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:23,629 INFO L93 Difference]: Finished difference Result 186 states and 200 transitions. [2024-11-14 04:24:23,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:24:23,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 32 [2024-11-14 04:24:23,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:23,632 INFO L225 Difference]: With dead ends: 186 [2024-11-14 04:24:23,632 INFO L226 Difference]: Without dead ends: 185 [2024-11-14 04:24:23,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:24:23,633 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 17 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:23,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 324 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-14 04:24:23,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-14 04:24:23,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 177. [2024-11-14 04:24:23,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 100 states have (on average 1.68) internal successors, (168), 164 states have internal predecessors, (168), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-14 04:24:23,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 188 transitions. [2024-11-14 04:24:23,652 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 188 transitions. Word has length 32 [2024-11-14 04:24:23,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:23,653 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 188 transitions. [2024-11-14 04:24:23,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:24:23,653 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 188 transitions. [2024-11-14 04:24:23,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-14 04:24:23,654 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:23,654 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:23,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-14 04:24:23,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:24:23,860 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-14 04:24:23,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:23,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1314728336, now seen corresponding path program 1 times [2024-11-14 04:24:23,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:23,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131105876] [2024-11-14 04:24:23,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:23,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:23,998 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-14 04:24:23,999 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:23,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131105876] [2024-11-14 04:24:23,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131105876] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:24:23,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927244954] [2024-11-14 04:24:23,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:23,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:24:24,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:24:24,002 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:24:24,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-14 04:24:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:24,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:24:24,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:24:24,263 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 04:24:24,263 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:24:24,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1927244954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:24,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:24:24,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-11-14 04:24:24,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192232424] [2024-11-14 04:24:24,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:24,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:24:24,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:24,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:24:24,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:24:24,267 INFO L87 Difference]: Start difference. First operand 177 states and 188 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 04:24:24,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:24,910 INFO L93 Difference]: Finished difference Result 186 states and 199 transitions. [2024-11-14 04:24:24,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:24:24,911 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 33 [2024-11-14 04:24:24,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:24,913 INFO L225 Difference]: With dead ends: 186 [2024-11-14 04:24:24,913 INFO L226 Difference]: Without dead ends: 185 [2024-11-14 04:24:24,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:24:24,914 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 137 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:24,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 201 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 04:24:24,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-14 04:24:24,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 178. [2024-11-14 04:24:24,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 101 states have (on average 1.6732673267326732) internal successors, (169), 164 states have internal predecessors, (169), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-14 04:24:24,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 189 transitions. [2024-11-14 04:24:24,931 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 189 transitions. Word has length 33 [2024-11-14 04:24:24,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:24,932 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 189 transitions. [2024-11-14 04:24:24,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 04:24:24,934 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 189 transitions. [2024-11-14 04:24:24,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-14 04:24:24,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:24,935 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:24,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-14 04:24:25,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-14 04:24:25,136 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-14 04:24:25,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:25,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1982383551, now seen corresponding path program 1 times [2024-11-14 04:24:25,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:25,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119095620] [2024-11-14 04:24:25,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:25,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:25,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:24:25,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1781347249] [2024-11-14 04:24:25,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:25,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:24:25,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:24:25,174 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:24:25,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-14 04:24:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:25,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:24:25,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:24:25,291 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 04:24:25,291 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:24:25,291 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:25,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119095620] [2024-11-14 04:24:25,291 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 04:24:25,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781347249] [2024-11-14 04:24:25,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781347249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:25,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:24:25,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:24:25,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067168916] [2024-11-14 04:24:25,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:25,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:24:25,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:25,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:24:25,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:24:25,294 INFO L87 Difference]: Start difference. First operand 178 states and 189 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-14 04:24:25,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:25,402 INFO L93 Difference]: Finished difference Result 280 states and 303 transitions. [2024-11-14 04:24:25,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:24:25,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 33 [2024-11-14 04:24:25,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:25,405 INFO L225 Difference]: With dead ends: 280 [2024-11-14 04:24:25,405 INFO L226 Difference]: Without dead ends: 272 [2024-11-14 04:24:25,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:24:25,406 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 81 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:25,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 273 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:24:25,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-11-14 04:24:25,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 234. [2024-11-14 04:24:25,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 153 states have (on average 1.7189542483660132) internal successors, (263), 216 states have internal predecessors, (263), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-14 04:24:25,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 291 transitions. [2024-11-14 04:24:25,425 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 291 transitions. Word has length 33 [2024-11-14 04:24:25,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:25,425 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 291 transitions. [2024-11-14 04:24:25,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-14 04:24:25,426 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 291 transitions. [2024-11-14 04:24:25,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-14 04:24:25,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:25,427 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:25,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-14 04:24:25,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-14 04:24:25,632 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-14 04:24:25,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:25,633 INFO L85 PathProgramCache]: Analyzing trace with hash 2101872957, now seen corresponding path program 1 times [2024-11-14 04:24:25,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:25,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49831664] [2024-11-14 04:24:25,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:25,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:25,736 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-14 04:24:25,736 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:25,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49831664] [2024-11-14 04:24:25,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49831664] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:24:25,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922484825] [2024-11-14 04:24:25,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:25,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:24:25,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:24:25,740 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:24:25,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-14 04:24:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:25,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:24:25,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:24:25,973 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 04:24:25,973 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:24:25,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922484825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:25,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:24:25,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-11-14 04:24:25,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083860347] [2024-11-14 04:24:25,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:25,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:24:25,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:25,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:24:25,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:24:25,975 INFO L87 Difference]: Start difference. First operand 234 states and 291 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 04:24:26,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:26,369 INFO L93 Difference]: Finished difference Result 242 states and 300 transitions. [2024-11-14 04:24:26,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:24:26,370 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 34 [2024-11-14 04:24:26,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:26,372 INFO L225 Difference]: With dead ends: 242 [2024-11-14 04:24:26,372 INFO L226 Difference]: Without dead ends: 241 [2024-11-14 04:24:26,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:24:26,373 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 124 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:26,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 210 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 04:24:26,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-14 04:24:26,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 235. [2024-11-14 04:24:26,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 154 states have (on average 1.7142857142857142) internal successors, (264), 217 states have internal predecessors, (264), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-14 04:24:26,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 292 transitions. [2024-11-14 04:24:26,390 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 292 transitions. Word has length 34 [2024-11-14 04:24:26,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:26,390 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 292 transitions. [2024-11-14 04:24:26,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 04:24:26,391 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 292 transitions. [2024-11-14 04:24:26,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-14 04:24:26,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:26,392 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:26,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-14 04:24:26,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-14 04:24:26,593 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-14 04:24:26,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:26,593 INFO L85 PathProgramCache]: Analyzing trace with hash 733552434, now seen corresponding path program 1 times [2024-11-14 04:24:26,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:26,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030156000] [2024-11-14 04:24:26,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:26,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:26,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:26,691 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-14 04:24:26,692 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:26,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030156000] [2024-11-14 04:24:26,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030156000] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:24:26,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110498051] [2024-11-14 04:24:26,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:26,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:24:26,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:24:26,695 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:24:26,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-14 04:24:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:26,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:24:26,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:24:26,824 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 04:24:26,825 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:24:26,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110498051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:26,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:24:26,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-14 04:24:26,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26636468] [2024-11-14 04:24:26,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:26,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:24:26,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:26,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:24:26,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:24:26,827 INFO L87 Difference]: Start difference. First operand 235 states and 292 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 04:24:27,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:27,035 INFO L93 Difference]: Finished difference Result 241 states and 299 transitions. [2024-11-14 04:24:27,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:24:27,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 35 [2024-11-14 04:24:27,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:27,037 INFO L225 Difference]: With dead ends: 241 [2024-11-14 04:24:27,038 INFO L226 Difference]: Without dead ends: 239 [2024-11-14 04:24:27,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:24:27,039 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 12 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:27,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 293 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 04:24:27,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-14 04:24:27,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 237. [2024-11-14 04:24:27,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 156 states have (on average 1.705128205128205) internal successors, (266), 219 states have internal predecessors, (266), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-14 04:24:27,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 294 transitions. [2024-11-14 04:24:27,055 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 294 transitions. Word has length 35 [2024-11-14 04:24:27,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:27,056 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 294 transitions. [2024-11-14 04:24:27,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 04:24:27,056 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 294 transitions. [2024-11-14 04:24:27,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-14 04:24:27,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:27,057 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:27,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-14 04:24:27,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:24:27,258 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-14 04:24:27,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:27,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1894892707, now seen corresponding path program 1 times [2024-11-14 04:24:27,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:27,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231456866] [2024-11-14 04:24:27,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:27,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:27,437 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 04:24:27,437 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:27,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231456866] [2024-11-14 04:24:27,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231456866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:27,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:24:27,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:24:27,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901878947] [2024-11-14 04:24:27,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:27,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:24:27,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:27,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:24:27,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:24:27,440 INFO L87 Difference]: Start difference. First operand 237 states and 294 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:24:29,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:29,630 INFO L93 Difference]: Finished difference Result 244 states and 303 transitions. [2024-11-14 04:24:29,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:24:29,631 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2024-11-14 04:24:29,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:29,633 INFO L225 Difference]: With dead ends: 244 [2024-11-14 04:24:29,633 INFO L226 Difference]: Without dead ends: 243 [2024-11-14 04:24:29,634 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:24:29,634 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 13 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:29,635 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 515 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-14 04:24:29,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2024-11-14 04:24:29,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 240. [2024-11-14 04:24:29,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 159 states have (on average 1.6918238993710693) internal successors, (269), 222 states have internal predecessors, (269), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-14 04:24:29,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 297 transitions. [2024-11-14 04:24:29,653 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 297 transitions. Word has length 35 [2024-11-14 04:24:29,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:29,653 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 297 transitions. [2024-11-14 04:24:29,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:24:29,654 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 297 transitions. [2024-11-14 04:24:29,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-14 04:24:29,654 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:29,654 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:29,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-14 04:24:29,655 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-14 04:24:29,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:29,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1387868042, now seen corresponding path program 1 times [2024-11-14 04:24:29,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:29,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15860334] [2024-11-14 04:24:29,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:29,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:24:29,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2121514458] [2024-11-14 04:24:29,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:29,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:24:29,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:24:29,682 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:24:29,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-14 04:24:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:29,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:24:29,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:24:29,880 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 04:24:29,880 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:24:29,880 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:29,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15860334] [2024-11-14 04:24:29,880 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 04:24:29,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121514458] [2024-11-14 04:24:29,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121514458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:29,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:24:29,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:24:29,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113974370] [2024-11-14 04:24:29,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:29,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:24:29,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:29,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:24:29,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:24:29,883 INFO L87 Difference]: Start difference. First operand 240 states and 297 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:24:30,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:30,297 INFO L93 Difference]: Finished difference Result 244 states and 302 transitions. [2024-11-14 04:24:30,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:24:30,298 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36 [2024-11-14 04:24:30,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:30,300 INFO L225 Difference]: With dead ends: 244 [2024-11-14 04:24:30,300 INFO L226 Difference]: Without dead ends: 243 [2024-11-14 04:24:30,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:24:30,301 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 12 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:30,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 521 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 04:24:30,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2024-11-14 04:24:30,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 241. [2024-11-14 04:24:30,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 160 states have (on average 1.6875) internal successors, (270), 223 states have internal predecessors, (270), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-14 04:24:30,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 298 transitions. [2024-11-14 04:24:30,316 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 298 transitions. Word has length 36 [2024-11-14 04:24:30,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:30,317 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 298 transitions. [2024-11-14 04:24:30,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:24:30,317 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 298 transitions. [2024-11-14 04:24:30,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-14 04:24:30,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:30,318 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:30,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-14 04:24:30,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-14 04:24:30,523 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-14 04:24:30,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:30,524 INFO L85 PathProgramCache]: Analyzing trace with hash 569259220, now seen corresponding path program 1 times [2024-11-14 04:24:30,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:30,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875541741] [2024-11-14 04:24:30,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:30,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:30,637 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-14 04:24:30,637 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:30,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875541741] [2024-11-14 04:24:30,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875541741] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:24:30,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779363488] [2024-11-14 04:24:30,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:30,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:24:30,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:24:30,641 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:24:30,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-14 04:24:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:30,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:24:30,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:24:30,837 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 04:24:30,838 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:24:30,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779363488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:30,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:24:30,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-11-14 04:24:30,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889262037] [2024-11-14 04:24:30,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:30,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:24:30,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:30,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:24:30,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:24:30,839 INFO L87 Difference]: Start difference. First operand 241 states and 298 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 04:24:31,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:31,284 INFO L93 Difference]: Finished difference Result 244 states and 301 transitions. [2024-11-14 04:24:31,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:24:31,284 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 37 [2024-11-14 04:24:31,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:31,288 INFO L225 Difference]: With dead ends: 244 [2024-11-14 04:24:31,288 INFO L226 Difference]: Without dead ends: 243 [2024-11-14 04:24:31,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:24:31,289 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 11 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:31,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 310 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 04:24:31,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2024-11-14 04:24:31,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 242. [2024-11-14 04:24:31,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 161 states have (on average 1.6832298136645962) internal successors, (271), 224 states have internal predecessors, (271), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-14 04:24:31,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 299 transitions. [2024-11-14 04:24:31,306 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 299 transitions. Word has length 37 [2024-11-14 04:24:31,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:31,306 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 299 transitions. [2024-11-14 04:24:31,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 04:24:31,307 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 299 transitions. [2024-11-14 04:24:31,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-14 04:24:31,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:31,308 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:31,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-14 04:24:31,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:24:31,509 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-14 04:24:31,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:31,510 INFO L85 PathProgramCache]: Analyzing trace with hash 467166849, now seen corresponding path program 1 times [2024-11-14 04:24:31,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:31,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522274020] [2024-11-14 04:24:31,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:31,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:31,606 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-14 04:24:31,606 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:31,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522274020] [2024-11-14 04:24:31,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522274020] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:24:31,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669246353] [2024-11-14 04:24:31,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:31,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:24:31,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:24:31,609 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:24:31,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-14 04:24:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:31,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:24:31,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:24:31,938 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 04:24:31,938 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:24:31,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669246353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:31,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:24:31,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-11-14 04:24:31,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123172035] [2024-11-14 04:24:31,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:31,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:24:31,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:31,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:24:31,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:24:31,940 INFO L87 Difference]: Start difference. First operand 242 states and 299 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 04:24:33,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:33,091 INFO L93 Difference]: Finished difference Result 244 states and 300 transitions. [2024-11-14 04:24:33,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:24:33,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 38 [2024-11-14 04:24:33,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:33,094 INFO L225 Difference]: With dead ends: 244 [2024-11-14 04:24:33,094 INFO L226 Difference]: Without dead ends: 228 [2024-11-14 04:24:33,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:24:33,097 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 9 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:33,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 389 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-14 04:24:33,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-14 04:24:33,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2024-11-14 04:24:33,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 149 states have (on average 1.7315436241610738) internal successors, (258), 212 states have internal predecessors, (258), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-14 04:24:33,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 284 transitions. [2024-11-14 04:24:33,121 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 284 transitions. Word has length 38 [2024-11-14 04:24:33,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:33,121 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 284 transitions. [2024-11-14 04:24:33,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 04:24:33,122 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 284 transitions. [2024-11-14 04:24:33,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-14 04:24:33,122 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:33,123 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:33,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-14 04:24:33,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:24:33,324 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-14 04:24:33,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:33,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1993642264, now seen corresponding path program 1 times [2024-11-14 04:24:33,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:33,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164890891] [2024-11-14 04:24:33,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:33,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:33,417 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 04:24:33,418 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:33,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164890891] [2024-11-14 04:24:33,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164890891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:33,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:24:33,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:24:33,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651020799] [2024-11-14 04:24:33,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:33,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:24:33,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:33,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:24:33,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:24:33,421 INFO L87 Difference]: Start difference. First operand 228 states and 284 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-14 04:24:33,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:33,495 INFO L93 Difference]: Finished difference Result 260 states and 317 transitions. [2024-11-14 04:24:33,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:24:33,497 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 38 [2024-11-14 04:24:33,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:33,498 INFO L225 Difference]: With dead ends: 260 [2024-11-14 04:24:33,498 INFO L226 Difference]: Without dead ends: 62 [2024-11-14 04:24:33,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:24:33,500 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 32 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:33,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 171 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:24:33,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-14 04:24:33,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-14 04:24:33,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 54 states have internal predecessors, (54), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-14 04:24:33,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 64 transitions. [2024-11-14 04:24:33,510 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 64 transitions. Word has length 38 [2024-11-14 04:24:33,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:33,510 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 64 transitions. [2024-11-14 04:24:33,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-14 04:24:33,511 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2024-11-14 04:24:33,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-14 04:24:33,511 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:33,511 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:33,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-14 04:24:33,512 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-14 04:24:33,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:33,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1673368093, now seen corresponding path program 1 times [2024-11-14 04:24:33,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:33,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464484070] [2024-11-14 04:24:33,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:33,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:33,658 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 04:24:33,658 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:33,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464484070] [2024-11-14 04:24:33,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464484070] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:24:33,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2137029739] [2024-11-14 04:24:33,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:33,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:24:33,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:24:33,663 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:24:33,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-14 04:24:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:33,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 04:24:33,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:24:33,848 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 04:24:33,849 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:24:34,045 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 04:24:34,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2137029739] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:24:34,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1397137100] [2024-11-14 04:24:34,085 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2024-11-14 04:24:34,086 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:24:34,090 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:24:34,097 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:24:34,098 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:24:37,138 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 7 for LOIs [2024-11-14 04:24:37,141 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:24:43,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1397137100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:43,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:24:43,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [8, 6, 7] total 35 [2024-11-14 04:24:43,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095871226] [2024-11-14 04:24:43,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:43,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-14 04:24:43,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:43,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-14 04:24:43,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=1000, Unknown=0, NotChecked=0, Total=1260 [2024-11-14 04:24:43,590 INFO L87 Difference]: Start difference. First operand 62 states and 64 transitions. Second operand has 21 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 16 states have internal predecessors, (26), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-14 04:24:46,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:46,251 INFO L93 Difference]: Finished difference Result 62 states and 64 transitions. [2024-11-14 04:24:46,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-14 04:24:46,252 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 16 states have internal predecessors, (26), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 39 [2024-11-14 04:24:46,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:46,253 INFO L225 Difference]: With dead ends: 62 [2024-11-14 04:24:46,253 INFO L226 Difference]: Without dead ends: 61 [2024-11-14 04:24:46,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 87 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 656 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=319, Invalid=1163, Unknown=0, NotChecked=0, Total=1482 [2024-11-14 04:24:46,256 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 2 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:46,256 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 103 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-14 04:24:46,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-14 04:24:46,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-14 04:24:46,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 42 states have (on average 1.2619047619047619) internal successors, (53), 53 states have internal predecessors, (53), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-14 04:24:46,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 63 transitions. [2024-11-14 04:24:46,272 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 63 transitions. Word has length 39 [2024-11-14 04:24:46,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:46,272 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 63 transitions. [2024-11-14 04:24:46,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 16 states have internal predecessors, (26), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-14 04:24:46,273 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2024-11-14 04:24:46,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-14 04:24:46,273 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:46,274 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:46,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-14 04:24:46,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-14 04:24:46,475 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-14 04:24:46,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:46,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1788970595, now seen corresponding path program 1 times [2024-11-14 04:24:46,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:46,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091533918] [2024-11-14 04:24:46,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:46,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:24:46,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1936836645] [2024-11-14 04:24:46,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:46,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:24:46,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:24:46,504 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:24:46,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-14 04:24:46,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:46,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-14 04:24:46,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:24:46,992 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-14 04:24:46,992 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:24:51,380 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:51,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091533918] [2024-11-14 04:24:51,380 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 04:24:51,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936836645] [2024-11-14 04:24:51,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936836645] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:24:51,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [760029442] [2024-11-14 04:24:51,385 INFO L159 IcfgInterpreter]: Started Sifa with 32 locations of interest [2024-11-14 04:24:51,385 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:24:51,386 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:24:51,386 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:24:51,386 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:24:53,213 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 7 for LOIs [2024-11-14 04:24:53,218 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:24:59,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [760029442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:59,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:24:59,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [7] total 27 [2024-11-14 04:24:59,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24417430] [2024-11-14 04:24:59,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:59,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-14 04:24:59,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:59,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-14 04:24:59,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=748, Unknown=2, NotChecked=0, Total=930 [2024-11-14 04:24:59,528 INFO L87 Difference]: Start difference. First operand 61 states and 63 transitions. Second operand has 22 states, 16 states have (on average 1.6875) internal successors, (27), 17 states have internal predecessors, (27), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-14 04:25:01,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:25:01,412 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2024-11-14 04:25:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-14 04:25:01,413 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 16 states have (on average 1.6875) internal successors, (27), 17 states have internal predecessors, (27), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 41 [2024-11-14 04:25:01,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:25:01,413 INFO L225 Difference]: With dead ends: 61 [2024-11-14 04:25:01,413 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 04:25:01,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 74 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=223, Invalid=897, Unknown=2, NotChecked=0, Total=1122 [2024-11-14 04:25:01,415 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 15 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:25:01,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 6 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 704 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-14 04:25:01,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 04:25:01,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 04:25:01,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:25:01,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 04:25:01,416 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2024-11-14 04:25:01,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:25:01,416 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 04:25:01,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 16 states have (on average 1.6875) internal successors, (27), 17 states have internal predecessors, (27), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-14 04:25:01,416 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 04:25:01,417 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 04:25:01,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 68 remaining) [2024-11-14 04:25:01,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 68 remaining) [2024-11-14 04:25:01,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 68 remaining) [2024-11-14 04:25:01,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 68 remaining) [2024-11-14 04:25:01,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 68 remaining) [2024-11-14 04:25:01,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 68 remaining) [2024-11-14 04:25:01,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 68 remaining) [2024-11-14 04:25:01,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 68 remaining) [2024-11-14 04:25:01,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 68 remaining) [2024-11-14 04:25:01,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 68 remaining) [2024-11-14 04:25:01,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 68 remaining) [2024-11-14 04:25:01,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 68 remaining) [2024-11-14 04:25:01,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 68 remaining) [2024-11-14 04:25:01,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 68 remaining) [2024-11-14 04:25:01,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 68 remaining) [2024-11-14 04:25:01,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 68 remaining) [2024-11-14 04:25:01,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 68 remaining) [2024-11-14 04:25:01,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 68 remaining) [2024-11-14 04:25:01,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 68 remaining) [2024-11-14 04:25:01,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 68 remaining) [2024-11-14 04:25:01,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 68 remaining) [2024-11-14 04:25:01,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 68 remaining) [2024-11-14 04:25:01,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 68 remaining) [2024-11-14 04:25:01,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 68 remaining) [2024-11-14 04:25:01,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 68 remaining) [2024-11-14 04:25:01,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 68 remaining) [2024-11-14 04:25:01,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 68 remaining) [2024-11-14 04:25:01,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 68 remaining) [2024-11-14 04:25:01,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 68 remaining) [2024-11-14 04:25:01,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 68 remaining) [2024-11-14 04:25:01,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 68 remaining) [2024-11-14 04:25:01,425 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 68 remaining) [2024-11-14 04:25:01,425 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 68 remaining) [2024-11-14 04:25:01,425 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 68 remaining) [2024-11-14 04:25:01,425 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 68 remaining) [2024-11-14 04:25:01,425 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 68 remaining) [2024-11-14 04:25:01,426 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 68 remaining) [2024-11-14 04:25:01,426 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 68 remaining) [2024-11-14 04:25:01,426 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 68 remaining) [2024-11-14 04:25:01,426 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 68 remaining) [2024-11-14 04:25:01,426 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 68 remaining) [2024-11-14 04:25:01,426 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 68 remaining) [2024-11-14 04:25:01,426 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 68 remaining) [2024-11-14 04:25:01,427 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 68 remaining) [2024-11-14 04:25:01,427 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 68 remaining) [2024-11-14 04:25:01,427 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 68 remaining) [2024-11-14 04:25:01,427 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 68 remaining) [2024-11-14 04:25:01,427 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 68 remaining) [2024-11-14 04:25:01,427 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 68 remaining) [2024-11-14 04:25:01,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 68 remaining) [2024-11-14 04:25:01,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 68 remaining) [2024-11-14 04:25:01,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 68 remaining) [2024-11-14 04:25:01,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 68 remaining) [2024-11-14 04:25:01,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 68 remaining) [2024-11-14 04:25:01,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 68 remaining) [2024-11-14 04:25:01,429 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 68 remaining) [2024-11-14 04:25:01,429 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 68 remaining) [2024-11-14 04:25:01,429 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 68 remaining) [2024-11-14 04:25:01,429 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 68 remaining) [2024-11-14 04:25:01,429 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 68 remaining) [2024-11-14 04:25:01,429 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 68 remaining) [2024-11-14 04:25:01,429 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 68 remaining) [2024-11-14 04:25:01,429 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 68 remaining) [2024-11-14 04:25:01,429 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 68 remaining) [2024-11-14 04:25:01,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 68 remaining) [2024-11-14 04:25:01,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 68 remaining) [2024-11-14 04:25:01,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 68 remaining) [2024-11-14 04:25:01,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 68 remaining) [2024-11-14 04:25:01,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-14 04:25:01,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-14 04:25:01,635 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:25:01,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-14 04:25:02,871 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:25:02,887 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:25:02,888 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:25:02,891 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:25:02,895 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:25:02,895 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:25:02,895 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:25:02,895 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:25:02,896 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:25:02,896 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:25:02,899 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:25:02,900 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:25:02,900 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:25:02,900 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:25:02,900 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:25:02,900 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:25:02,900 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:25:02,900 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:25:02,901 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:25:02,901 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:25:02,901 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:25:02,901 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:25:02,909 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:25:02,909 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:25:02,910 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:25:02,910 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:25:02,911 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:25:02,913 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:25:02,913 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:25:02,913 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:25:02,913 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:25:02,914 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:25:02,914 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:25:02,914 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:25:02,914 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:25:02,914 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:25:02,914 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:25:02,914 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:25:02,915 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:25:02,915 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:25:02,915 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:25:02,915 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:25:02,915 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:25:02,915 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:25:02,915 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:25:02,915 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:25:02,916 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:25:02,916 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:25:02,916 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 04:25:02,916 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 04:25:02,916 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:25:02,919 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:25:02,920 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:25:02,920 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:25:02,920 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:25:02,921 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:25:02,921 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:25:02,921 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:25:02,921 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:25:02,925 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:25:02,925 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:25:02,925 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:25:02,925 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:25:02,925 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:25:02,937 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:25:02,938 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:25:02,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:25:02 BoogieIcfgContainer [2024-11-14 04:25:02,943 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:25:02,944 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:25:02,944 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:25:02,945 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:25:02,946 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:24:08" (3/4) ... [2024-11-14 04:25:02,949 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 04:25:02,955 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-14 04:25:02,955 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-14 04:25:02,971 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-14 04:25:02,972 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-14 04:25:02,972 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-14 04:25:02,973 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 04:25:03,125 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 04:25:03,126 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 04:25:03,126 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:25:03,127 INFO L158 Benchmark]: Toolchain (without parser) took 56598.36ms. Allocated memory was 117.4MB in the beginning and 369.1MB in the end (delta: 251.7MB). Free memory was 91.7MB in the beginning and 243.0MB in the end (delta: -151.2MB). Peak memory consumption was 99.2MB. Max. memory is 16.1GB. [2024-11-14 04:25:03,127 INFO L158 Benchmark]: CDTParser took 1.41ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:25:03,128 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.63ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 80.0MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:25:03,128 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.70ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.3MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:25:03,129 INFO L158 Benchmark]: Boogie Preprocessor took 60.14ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 77.5MB in the end (delta: 811.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:25:03,129 INFO L158 Benchmark]: RCFGBuilder took 1509.25ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 50.1MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 04:25:03,129 INFO L158 Benchmark]: TraceAbstraction took 54403.87ms. Allocated memory was 117.4MB in the beginning and 369.1MB in the end (delta: 251.7MB). Free memory was 49.7MB in the beginning and 252.1MB in the end (delta: -202.4MB). Peak memory consumption was 175.4MB. Max. memory is 16.1GB. [2024-11-14 04:25:03,130 INFO L158 Benchmark]: Witness Printer took 181.74ms. Allocated memory is still 369.1MB. Free memory was 252.1MB in the beginning and 243.0MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:25:03,132 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.41ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 376.63ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 80.0MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.70ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.3MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.14ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 77.5MB in the end (delta: 811.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1509.25ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 50.1MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 54403.87ms. Allocated memory was 117.4MB in the beginning and 369.1MB in the end (delta: 251.7MB). Free memory was 49.7MB in the beginning and 252.1MB in the end (delta: -202.4MB). Peak memory consumption was 175.4MB. Max. memory is 16.1GB. * Witness Printer took 181.74ms. Allocated memory is still 369.1MB. Free memory was 252.1MB in the beginning and 243.0MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 63]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 63]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 63]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 63]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 161 locations, 68 error locations. Started 1 CEGAR loops. OverallTime: 53.0s, OverallIterations: 23, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 19.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1395 SdHoareTripleChecker+Valid, 16.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1345 mSDsluCounter, 7350 SdHoareTripleChecker+Invalid, 15.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4575 mSDsCounter, 62 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3931 IncrementalHoareTripleChecker+Invalid, 3993 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 62 mSolverCounterUnsat, 2775 mSDtfsCounter, 3931 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 734 GetRequests, 572 SyntacticMatches, 4 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 965 ImplicationChecksByTransitivity, 19.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=242occurred in iteration=19, InterpolantAutomatonStates: 145, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 23 MinimizatonAttempts, 223 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 9.6s InterpolantComputationTime, 1197 NumberOfCodeBlocks, 1197 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 1040 ConstructedInterpolants, 0 QuantifiedInterpolants, 3194 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1632 ConjunctsInSsa, 83 ConjunctsInUnsatCore, 35 InterpolantComputations, 21 PerfectInterpolantSequences, 379/415 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 4.9s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 67, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 127, TOOLS_POST_TIME: 3.0s, TOOLS_POST_CALL_APPLICATIONS: 24, TOOLS_POST_CALL_TIME: 0.7s, TOOLS_POST_RETURN_APPLICATIONS: 16, TOOLS_POST_RETURN_TIME: 0.3s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 167, TOOLS_QUANTIFIERELIM_TIME: 3.8s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 232, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 32, DOMAIN_JOIN_TIME: 0.5s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 67, DOMAIN_ISBOTTOM_TIME: 0.2s, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME: 2.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 2.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 16, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 1488, DAG_COMPRESSION_RETAINED_NODES: 196, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 68 specifications checked. All of them hold - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (((((((((((((((yy == ((long long) y * y)) && (p == 1)) && (a == c)) && (xy <= 2147483646)) && (b == y)) && (yy <= 2147483646)) && (r == 0)) && (q == 0)) && (k == 0)) && (1 <= x)) && (1 <= xy)) && (xy == ((long long) x * y))) && (a == x)) && (counter == 1)) && (s == 1)) - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((((((((((((yy == ((long long) y * y)) && (p == 1)) && (xy <= 2147483646)) && (b == y)) && (yy <= 2147483646)) && (r == 0)) && (q == 0)) && (1 <= x)) && (1 <= xy)) && (counter == 0)) && (xy == ((long long) x * y))) && (a == x)) && (s == 1)) || (((((((((((((yy == ((long long) y * y)) && (p == 0)) && (a == y)) && (xy <= 2147483646)) && (b == x)) && (yy <= 2147483646)) && (q == 1)) && (s == 0)) && (1 <= x)) && (1 <= xy)) && (r == 1)) && (xy == ((long long) x * y))) && (counter == 2))) - ProcedureContractResult [Line: 7]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: (counter == 0) Ensures: (((cond != 0) && (counter == 0)) && (counter == \old(counter))) - ProcedureContractResult [Line: 10]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (counter == \old(counter)) RESULT: Ultimate proved your program to be correct! [2024-11-14 04:25:03,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0242e3f-4b26-4e6f-a2bc-f5ec524346bc/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE