./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-28.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 49a7910a640b9ef8dea3798033f5d3f27279f235dab211562519047fb85b8da0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:11:45,241 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:11:45,376 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 23:11:45,381 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:11:45,382 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:11:45,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:11:45,406 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:11:45,407 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:11:45,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:11:45,408 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:11:45,409 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:11:45,410 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:11:45,411 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:11:45,411 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:11:45,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:11:45,413 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:11:45,413 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:11:45,414 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:11:45,414 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:11:45,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:11:45,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:11:45,416 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:11:45,417 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:11:45,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:11:45,418 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:11:45,418 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:11:45,419 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:11:45,419 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:11:45,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:11:45,420 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:11:45,420 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:11:45,421 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:11:45,421 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:11:45,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:11:45,422 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:11:45,423 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:11:45,423 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:11:45,423 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:11:45,424 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:11:45,424 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49a7910a640b9ef8dea3798033f5d3f27279f235dab211562519047fb85b8da0 [2023-11-06 23:11:45,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:11:45,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:11:45,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:11:45,800 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:11:45,801 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:11:45,803 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-28.i [2023-11-06 23:11:49,047 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:11:49,348 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:11:49,349 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-28.i [2023-11-06 23:11:49,367 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/data/44f3f01ef/c6d8b6cc540748d1bdff2a726651dee9/FLAGdb21655e6 [2023-11-06 23:11:49,383 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/data/44f3f01ef/c6d8b6cc540748d1bdff2a726651dee9 [2023-11-06 23:11:49,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:11:49,392 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:11:49,393 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:11:49,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:11:49,405 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:11:49,405 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:11:49" (1/1) ... [2023-11-06 23:11:49,406 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27b0f1c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:49, skipping insertion in model container [2023-11-06 23:11:49,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:11:49" (1/1) ... [2023-11-06 23:11:49,459 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:11:49,668 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-28.i[913,926] [2023-11-06 23:11:49,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:11:49,767 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:11:49,780 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-28.i[913,926] [2023-11-06 23:11:49,826 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:11:49,844 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:11:49,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:49 WrapperNode [2023-11-06 23:11:49,845 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:11:49,846 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:11:49,846 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:11:49,846 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:11:49,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:49" (1/1) ... [2023-11-06 23:11:49,871 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:49" (1/1) ... [2023-11-06 23:11:49,951 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 182 [2023-11-06 23:11:49,952 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:11:49,953 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:11:49,953 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:11:49,953 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:11:49,963 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:49" (1/1) ... [2023-11-06 23:11:49,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:49" (1/1) ... [2023-11-06 23:11:49,970 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:49" (1/1) ... [2023-11-06 23:11:49,970 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:49" (1/1) ... [2023-11-06 23:11:49,988 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:49" (1/1) ... [2023-11-06 23:11:49,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:49" (1/1) ... [2023-11-06 23:11:49,999 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:49" (1/1) ... [2023-11-06 23:11:50,003 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:49" (1/1) ... [2023-11-06 23:11:50,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:11:50,014 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:11:50,014 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:11:50,014 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:11:50,015 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:49" (1/1) ... [2023-11-06 23:11:50,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:11:50,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:50,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:11:50,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:11:50,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:11:50,111 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 23:11:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 23:11:50,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:11:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:11:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:11:50,240 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:11:50,242 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:11:50,741 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:11:50,749 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:11:50,749 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:11:50,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:50 BoogieIcfgContainer [2023-11-06 23:11:50,751 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:11:50,754 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:11:50,754 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:11:50,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:11:50,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:11:49" (1/3) ... [2023-11-06 23:11:50,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0327a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:11:50, skipping insertion in model container [2023-11-06 23:11:50,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:49" (2/3) ... [2023-11-06 23:11:50,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0327a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:11:50, skipping insertion in model container [2023-11-06 23:11:50,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:50" (3/3) ... [2023-11-06 23:11:50,766 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-28.i [2023-11-06 23:11:50,788 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:11:50,789 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:11:50,870 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:11:50,879 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@74aafc4c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:11:50,880 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:11:50,885 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 50 states have (on average 1.38) internal successors, (69), 51 states have internal predecessors, (69), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-06 23:11:50,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-06 23:11:50,911 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:50,912 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:50,913 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:50,919 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:50,919 INFO L85 PathProgramCache]: Analyzing trace with hash 833763409, now seen corresponding path program 1 times [2023-11-06 23:11:50,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:50,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898826246] [2023-11-06 23:11:50,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:50,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:51,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:51,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898826246] [2023-11-06 23:11:51,314 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 23:11:51,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836787082] [2023-11-06 23:11:51,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:51,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:51,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:51,325 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:11:51,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 23:11:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:51,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 23:11:51,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:11:51,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 1922 trivial. 0 not checked. [2023-11-06 23:11:51,744 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:11:51,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836787082] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:51,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:51,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:11:51,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996334154] [2023-11-06 23:11:51,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:51,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:11:51,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:51,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:11:51,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:11:51,808 INFO L87 Difference]: Start difference. First operand has 85 states, 50 states have (on average 1.38) internal successors, (69), 51 states have internal predecessors, (69), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-06 23:11:51,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:51,880 INFO L93 Difference]: Finished difference Result 163 states and 292 transitions. [2023-11-06 23:11:51,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:11:51,883 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) Word has length 196 [2023-11-06 23:11:51,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:51,894 INFO L225 Difference]: With dead ends: 163 [2023-11-06 23:11:51,894 INFO L226 Difference]: Without dead ends: 81 [2023-11-06 23:11:51,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:11:51,909 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:51,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:51,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-06 23:11:51,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-11-06 23:11:51,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 47 states have internal predecessors, (62), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-06 23:11:51,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 126 transitions. [2023-11-06 23:11:51,979 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 126 transitions. Word has length 196 [2023-11-06 23:11:51,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:51,980 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 126 transitions. [2023-11-06 23:11:51,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-06 23:11:51,980 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2023-11-06 23:11:51,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-06 23:11:51,985 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:51,986 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:51,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 23:11:52,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:52,190 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:52,191 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:52,191 INFO L85 PathProgramCache]: Analyzing trace with hash 2009699401, now seen corresponding path program 1 times [2023-11-06 23:11:52,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:52,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545854479] [2023-11-06 23:11:52,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:52,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:52,315 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:11:52,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [850412023] [2023-11-06 23:11:52,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:52,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:52,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:52,323 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:11:52,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 23:11:52,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:52,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 23:11:52,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:05,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-06 23:12:05,544 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:12:05,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:05,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545854479] [2023-11-06 23:12:05,545 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:12:05,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850412023] [2023-11-06 23:12:05,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850412023] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:05,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:05,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 23:12:05,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476373777] [2023-11-06 23:12:05,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:05,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:12:05,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:05,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:12:05,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:12:05,550 INFO L87 Difference]: Start difference. First operand 81 states and 126 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:12:07,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:07,116 INFO L93 Difference]: Finished difference Result 258 states and 397 transitions. [2023-11-06 23:12:07,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 23:12:07,118 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 196 [2023-11-06 23:12:07,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:12:07,122 INFO L225 Difference]: With dead ends: 258 [2023-11-06 23:12:07,122 INFO L226 Difference]: Without dead ends: 180 [2023-11-06 23:12:07,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:12:07,125 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 267 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 23:12:07,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 400 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 23:12:07,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2023-11-06 23:12:07,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 105. [2023-11-06 23:12:07,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 71 states have (on average 1.4366197183098592) internal successors, (102), 71 states have internal predecessors, (102), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-06 23:12:07,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 166 transitions. [2023-11-06 23:12:07,149 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 166 transitions. Word has length 196 [2023-11-06 23:12:07,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:12:07,151 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 166 transitions. [2023-11-06 23:12:07,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:12:07,152 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 166 transitions. [2023-11-06 23:12:07,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-06 23:12:07,156 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:07,156 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:07,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:07,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-06 23:12:07,368 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:12:07,368 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:07,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1616672391, now seen corresponding path program 1 times [2023-11-06 23:12:07,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:07,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496824417] [2023-11-06 23:12:07,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:07,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:07,426 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:12:07,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [176409629] [2023-11-06 23:12:07,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:07,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:12:07,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:07,428 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:12:07,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 23:12:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:07,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 23:12:07,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:08,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 681 proven. 18 refuted. 0 times theorem prover too weak. 1285 trivial. 0 not checked. [2023-11-06 23:12:08,050 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:12:08,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 75 proven. 18 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2023-11-06 23:12:08,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:08,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496824417] [2023-11-06 23:12:08,625 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:12:08,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176409629] [2023-11-06 23:12:08,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [176409629] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:12:08,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:12:08,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-11-06 23:12:08,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454903184] [2023-11-06 23:12:08,627 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:12:08,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 23:12:08,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:08,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 23:12:08,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2023-11-06 23:12:08,630 INFO L87 Difference]: Start difference. First operand 105 states and 166 transitions. Second operand has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 3 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2023-11-06 23:12:09,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:09,970 INFO L93 Difference]: Finished difference Result 447 states and 686 transitions. [2023-11-06 23:12:09,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-06 23:12:09,979 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 3 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 196 [2023-11-06 23:12:09,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:12:09,994 INFO L225 Difference]: With dead ends: 447 [2023-11-06 23:12:09,996 INFO L226 Difference]: Without dead ends: 345 [2023-11-06 23:12:09,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 384 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=270, Invalid=722, Unknown=0, NotChecked=0, Total=992 [2023-11-06 23:12:10,000 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 560 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 348 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 348 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:12:10,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [588 Valid, 415 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [348 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-06 23:12:10,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2023-11-06 23:12:10,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 192. [2023-11-06 23:12:10,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 123 states have (on average 1.3739837398373984) internal successors, (169), 123 states have internal predecessors, (169), 64 states have call successors, (64), 4 states have call predecessors, (64), 4 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-06 23:12:10,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 297 transitions. [2023-11-06 23:12:10,093 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 297 transitions. Word has length 196 [2023-11-06 23:12:10,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:12:10,094 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 297 transitions. [2023-11-06 23:12:10,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 3 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2023-11-06 23:12:10,095 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 297 transitions. [2023-11-06 23:12:10,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-06 23:12:10,098 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:10,098 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:10,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:10,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:12:10,306 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:12:10,306 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:10,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1998236535, now seen corresponding path program 1 times [2023-11-06 23:12:10,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:10,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520770683] [2023-11-06 23:12:10,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:10,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:10,362 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:12:10,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2092152624] [2023-11-06 23:12:10,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:10,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:12:10,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:10,370 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:12:10,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 23:12:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:10,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-06 23:12:10,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:36,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 1029 proven. 111 refuted. 0 times theorem prover too weak. 844 trivial. 0 not checked. [2023-11-06 23:12:36,328 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:12:50,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-06 23:12:50,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:50,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520770683] [2023-11-06 23:12:50,938 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:12:50,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092152624] [2023-11-06 23:12:50,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092152624] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 23:12:50,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:12:50,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 19 [2023-11-06 23:12:50,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123004658] [2023-11-06 23:12:50,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:50,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:12:50,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:50,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:12:50,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2023-11-06 23:12:50,942 INFO L87 Difference]: Start difference. First operand 192 states and 297 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:12:52,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:52,920 INFO L93 Difference]: Finished difference Result 428 states and 656 transitions. [2023-11-06 23:12:52,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 23:12:52,921 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 196 [2023-11-06 23:12:52,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:12:52,925 INFO L225 Difference]: With dead ends: 428 [2023-11-06 23:12:52,925 INFO L226 Difference]: Without dead ends: 239 [2023-11-06 23:12:52,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 373 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2023-11-06 23:12:52,928 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 156 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 23:12:52,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 546 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 23:12:52,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2023-11-06 23:12:52,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 197. [2023-11-06 23:12:52,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 128 states have (on average 1.3984375) internal successors, (179), 128 states have internal predecessors, (179), 64 states have call successors, (64), 4 states have call predecessors, (64), 4 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-06 23:12:52,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 307 transitions. [2023-11-06 23:12:52,998 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 307 transitions. Word has length 196 [2023-11-06 23:12:52,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:12:53,000 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 307 transitions. [2023-11-06 23:12:53,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:12:53,000 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 307 transitions. [2023-11-06 23:12:53,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-06 23:12:53,003 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:53,004 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:53,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:53,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:12:53,210 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:12:53,210 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:53,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1347044087, now seen corresponding path program 1 times [2023-11-06 23:12:53,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:53,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195392414] [2023-11-06 23:12:53,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:53,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:53,248 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:12:53,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [725089058] [2023-11-06 23:12:53,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:53,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:12:53,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:53,250 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:12:53,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 23:12:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:53,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 23:12:53,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:13:05,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-06 23:13:05,196 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:13:05,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:13:05,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195392414] [2023-11-06 23:13:05,196 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:13:05,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725089058] [2023-11-06 23:13:05,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [725089058] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:13:05,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:13:05,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 23:13:05,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164026312] [2023-11-06 23:13:05,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:13:05,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:13:05,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:13:05,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:13:05,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:13:05,213 INFO L87 Difference]: Start difference. First operand 197 states and 307 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:13:06,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:13:06,098 INFO L93 Difference]: Finished difference Result 487 states and 746 transitions. [2023-11-06 23:13:06,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 23:13:06,099 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 196 [2023-11-06 23:13:06,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:13:06,103 INFO L225 Difference]: With dead ends: 487 [2023-11-06 23:13:06,103 INFO L226 Difference]: Without dead ends: 293 [2023-11-06 23:13:06,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:13:06,105 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 120 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 23:13:06,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 521 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 23:13:06,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2023-11-06 23:13:06,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 204. [2023-11-06 23:13:06,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 135 states have (on average 1.4148148148148147) internal successors, (191), 135 states have internal predecessors, (191), 64 states have call successors, (64), 4 states have call predecessors, (64), 4 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-06 23:13:06,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 319 transitions. [2023-11-06 23:13:06,155 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 319 transitions. Word has length 196 [2023-11-06 23:13:06,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:13:06,156 INFO L495 AbstractCegarLoop]: Abstraction has 204 states and 319 transitions. [2023-11-06 23:13:06,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:13:06,157 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 319 transitions. [2023-11-06 23:13:06,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-06 23:13:06,160 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:13:06,160 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:06,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:06,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:13:06,366 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:13:06,367 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:06,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1740071097, now seen corresponding path program 1 times [2023-11-06 23:13:06,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:13:06,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621415415] [2023-11-06 23:13:06,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:06,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:13:06,405 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:13:06,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1224230123] [2023-11-06 23:13:06,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:06,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:13:06,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:13:06,407 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:13:06,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 23:13:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:06,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-06 23:13:06,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:13:11,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-06 23:13:11,424 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:13:11,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:13:11,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621415415] [2023-11-06 23:13:11,425 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:13:11,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224230123] [2023-11-06 23:13:11,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224230123] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:13:11,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:13:11,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 23:13:11,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205157449] [2023-11-06 23:13:11,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:13:11,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:13:11,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:13:11,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:13:11,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:13:11,428 INFO L87 Difference]: Start difference. First operand 204 states and 319 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:13:11,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:13:11,929 INFO L93 Difference]: Finished difference Result 494 states and 755 transitions. [2023-11-06 23:13:11,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 23:13:11,930 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 196 [2023-11-06 23:13:11,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:13:11,933 INFO L225 Difference]: With dead ends: 494 [2023-11-06 23:13:11,933 INFO L226 Difference]: Without dead ends: 293 [2023-11-06 23:13:11,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:13:11,935 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 123 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 23:13:11,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 566 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 23:13:11,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2023-11-06 23:13:11,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 199. [2023-11-06 23:13:11,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 130 states have (on average 1.4076923076923078) internal successors, (183), 130 states have internal predecessors, (183), 64 states have call successors, (64), 4 states have call predecessors, (64), 4 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-06 23:13:11,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 311 transitions. [2023-11-06 23:13:11,983 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 311 transitions. Word has length 196 [2023-11-06 23:13:11,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:13:11,984 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 311 transitions. [2023-11-06 23:13:11,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:13:11,984 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 311 transitions. [2023-11-06 23:13:11,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-06 23:13:11,986 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:13:11,986 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:12,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:12,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:13:12,195 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:13:12,195 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:12,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1933850101, now seen corresponding path program 1 times [2023-11-06 23:13:12,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:13:12,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710077887] [2023-11-06 23:13:12,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:12,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:13:12,230 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:13:12,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1063127364] [2023-11-06 23:13:12,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:12,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:13:12,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:13:12,232 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:13:12,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 23:13:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:12,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-06 23:13:12,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:13:20,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-06 23:13:20,901 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:13:20,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:13:20,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710077887] [2023-11-06 23:13:20,901 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:13:20,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063127364] [2023-11-06 23:13:20,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063127364] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:13:20,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:13:20,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 23:13:20,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599758929] [2023-11-06 23:13:20,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:13:20,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:13:20,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:13:20,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:13:20,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:13:20,904 INFO L87 Difference]: Start difference. First operand 199 states and 311 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:13:21,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:13:21,382 INFO L93 Difference]: Finished difference Result 493 states and 758 transitions. [2023-11-06 23:13:21,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 23:13:21,384 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 196 [2023-11-06 23:13:21,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:13:21,387 INFO L225 Difference]: With dead ends: 493 [2023-11-06 23:13:21,388 INFO L226 Difference]: Without dead ends: 297 [2023-11-06 23:13:21,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:13:21,390 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 138 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 23:13:21,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 576 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 23:13:21,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2023-11-06 23:13:21,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 205. [2023-11-06 23:13:21,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 136 states have (on average 1.4191176470588236) internal successors, (193), 136 states have internal predecessors, (193), 64 states have call successors, (64), 4 states have call predecessors, (64), 4 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-06 23:13:21,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 321 transitions. [2023-11-06 23:13:21,437 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 321 transitions. Word has length 196 [2023-11-06 23:13:21,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:13:21,438 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 321 transitions. [2023-11-06 23:13:21,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:13:21,438 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 321 transitions. [2023-11-06 23:13:21,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-06 23:13:21,440 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:13:21,441 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:21,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:21,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:13:21,647 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:13:21,647 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:21,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1968090185, now seen corresponding path program 1 times [2023-11-06 23:13:21,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:13:21,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343658434] [2023-11-06 23:13:21,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:21,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:13:21,676 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:13:21,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1309012883] [2023-11-06 23:13:21,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:21,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:13:21,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:13:21,678 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:13:21,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 23:13:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:21,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-06 23:13:21,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:13:25,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-06 23:13:25,165 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:13:25,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:13:25,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343658434] [2023-11-06 23:13:25,165 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:13:25,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309012883] [2023-11-06 23:13:25,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309012883] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:13:25,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:13:25,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 23:13:25,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319173969] [2023-11-06 23:13:25,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:13:25,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:13:25,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:13:25,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:13:25,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:13:25,168 INFO L87 Difference]: Start difference. First operand 205 states and 321 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:13:25,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:13:25,511 INFO L93 Difference]: Finished difference Result 499 states and 765 transitions. [2023-11-06 23:13:25,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 23:13:25,511 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 196 [2023-11-06 23:13:25,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:13:25,514 INFO L225 Difference]: With dead ends: 499 [2023-11-06 23:13:25,514 INFO L226 Difference]: Without dead ends: 297 [2023-11-06 23:13:25,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:13:25,516 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 121 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:13:25,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 546 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 23:13:25,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2023-11-06 23:13:25,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 198. [2023-11-06 23:13:25,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 129 states have (on average 1.4031007751937985) internal successors, (181), 129 states have internal predecessors, (181), 64 states have call successors, (64), 4 states have call predecessors, (64), 4 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-06 23:13:25,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 309 transitions. [2023-11-06 23:13:25,559 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 309 transitions. Word has length 196 [2023-11-06 23:13:25,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:13:25,560 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 309 transitions. [2023-11-06 23:13:25,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:13:25,561 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 309 transitions. [2023-11-06 23:13:25,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-06 23:13:25,562 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:13:25,563 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:25,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:25,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-06 23:13:25,769 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:13:25,769 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:25,769 INFO L85 PathProgramCache]: Analyzing trace with hash -738844933, now seen corresponding path program 1 times [2023-11-06 23:13:25,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:13:25,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056698107] [2023-11-06 23:13:25,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:25,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:13:25,799 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:13:25,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1401835456] [2023-11-06 23:13:25,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:25,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:13:25,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:13:25,801 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:13:25,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 23:13:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:25,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-06 23:13:25,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:13:35,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 859 proven. 141 refuted. 0 times theorem prover too weak. 984 trivial. 0 not checked. [2023-11-06 23:13:35,974 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:13:50,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-06 23:13:50,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:13:50,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056698107] [2023-11-06 23:13:50,610 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:13:50,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401835456] [2023-11-06 23:13:50,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401835456] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 23:13:50,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:13:50,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [15] total 21 [2023-11-06 23:13:50,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959477428] [2023-11-06 23:13:50,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:13:50,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 23:13:50,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:13:50,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 23:13:50,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=315, Unknown=0, NotChecked=0, Total=420 [2023-11-06 23:13:50,613 INFO L87 Difference]: Start difference. First operand 198 states and 309 transitions. Second operand has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:13:54,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:13:54,731 INFO L93 Difference]: Finished difference Result 445 states and 688 transitions. [2023-11-06 23:13:54,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 23:13:54,732 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 197 [2023-11-06 23:13:54,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:13:54,735 INFO L225 Difference]: With dead ends: 445 [2023-11-06 23:13:54,735 INFO L226 Difference]: Without dead ends: 250 [2023-11-06 23:13:54,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 375 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=176, Invalid=580, Unknown=0, NotChecked=0, Total=756 [2023-11-06 23:13:54,737 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 195 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 23:13:54,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 445 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 23:13:54,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2023-11-06 23:13:54,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 208. [2023-11-06 23:13:54,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 139 states have (on average 1.4316546762589928) internal successors, (199), 139 states have internal predecessors, (199), 64 states have call successors, (64), 4 states have call predecessors, (64), 4 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-06 23:13:54,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 327 transitions. [2023-11-06 23:13:54,784 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 327 transitions. Word has length 197 [2023-11-06 23:13:54,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:13:54,785 INFO L495 AbstractCegarLoop]: Abstraction has 208 states and 327 transitions. [2023-11-06 23:13:54,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:13:54,786 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 327 transitions. [2023-11-06 23:13:54,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-06 23:13:54,787 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:13:54,788 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:54,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-06 23:13:54,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:13:54,994 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:13:54,994 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:54,994 INFO L85 PathProgramCache]: Analyzing trace with hash -58786563, now seen corresponding path program 1 times [2023-11-06 23:13:54,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:13:54,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094025314] [2023-11-06 23:13:54,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:54,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:13:55,023 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:13:55,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1978908182] [2023-11-06 23:13:55,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:55,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:13:55,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:13:55,025 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:13:55,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 23:13:55,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:55,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-06 23:13:55,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:14:11,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-06 23:14:11,077 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:14:11,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:14:11,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094025314] [2023-11-06 23:14:11,077 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:14:11,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978908182] [2023-11-06 23:14:11,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978908182] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:14:11,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:14:11,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 23:14:11,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316376585] [2023-11-06 23:14:11,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:14:11,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:14:11,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:14:11,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:14:11,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:14:11,080 INFO L87 Difference]: Start difference. First operand 208 states and 327 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:14:12,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, Real, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-06 23:14:14,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:14:14,284 INFO L93 Difference]: Finished difference Result 545 states and 829 transitions. [2023-11-06 23:14:14,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 23:14:14,285 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 197 [2023-11-06 23:14:14,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:14:14,288 INFO L225 Difference]: With dead ends: 545 [2023-11-06 23:14:14,288 INFO L226 Difference]: Without dead ends: 340 [2023-11-06 23:14:14,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:14:14,290 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 160 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:14:14,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 554 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-06 23:14:14,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2023-11-06 23:14:14,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 226. [2023-11-06 23:14:14,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 157 states have (on average 1.4522292993630572) internal successors, (228), 157 states have internal predecessors, (228), 64 states have call successors, (64), 4 states have call predecessors, (64), 4 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-06 23:14:14,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 356 transitions. [2023-11-06 23:14:14,343 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 356 transitions. Word has length 197 [2023-11-06 23:14:14,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:14:14,344 INFO L495 AbstractCegarLoop]: Abstraction has 226 states and 356 transitions. [2023-11-06 23:14:14,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:14:14,344 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 356 transitions. [2023-11-06 23:14:14,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-06 23:14:14,346 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:14:14,346 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:14:14,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 23:14:14,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 23:14:14,553 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:14:14,554 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:14:14,554 INFO L85 PathProgramCache]: Analyzing trace with hash -451813573, now seen corresponding path program 1 times [2023-11-06 23:14:14,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:14:14,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859074669] [2023-11-06 23:14:14,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:14:14,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:14:14,598 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:14:14,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1040893203] [2023-11-06 23:14:14,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:14:14,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:14:14,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:14:14,600 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:14:14,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 23:14:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:14:14,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-06 23:14:14,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:14:32,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-06 23:14:32,248 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:14:32,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:14:32,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859074669] [2023-11-06 23:14:32,249 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:14:32,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040893203] [2023-11-06 23:14:32,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040893203] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:14:32,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:14:32,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 23:14:32,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774759770] [2023-11-06 23:14:32,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:14:32,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:14:32,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:14:32,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:14:32,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:14:32,251 INFO L87 Difference]: Start difference. First operand 226 states and 356 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:14:34,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:14:34,130 INFO L93 Difference]: Finished difference Result 563 states and 852 transitions. [2023-11-06 23:14:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 23:14:34,131 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 197 [2023-11-06 23:14:34,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:14:34,134 INFO L225 Difference]: With dead ends: 563 [2023-11-06 23:14:34,134 INFO L226 Difference]: Without dead ends: 340 [2023-11-06 23:14:34,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:14:34,136 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 156 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 23:14:34,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 442 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 23:14:34,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2023-11-06 23:14:34,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 224. [2023-11-06 23:14:34,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 155 states have (on average 1.4516129032258065) internal successors, (225), 155 states have internal predecessors, (225), 64 states have call successors, (64), 4 states have call predecessors, (64), 4 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-06 23:14:34,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 353 transitions. [2023-11-06 23:14:34,187 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 353 transitions. Word has length 197 [2023-11-06 23:14:34,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:14:34,188 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 353 transitions. [2023-11-06 23:14:34,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:14:34,188 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 353 transitions. [2023-11-06 23:14:34,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-06 23:14:34,190 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:14:34,190 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:14:34,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-06 23:14:34,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-06 23:14:34,396 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:14:34,396 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:14:34,396 INFO L85 PathProgramCache]: Analyzing trace with hash -645592577, now seen corresponding path program 1 times [2023-11-06 23:14:34,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:14:34,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458632080] [2023-11-06 23:14:34,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:14:34,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:14:34,436 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:14:34,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [384635806] [2023-11-06 23:14:34,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:14:34,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:14:34,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:14:34,438 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:14:34,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 23:14:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:14:34,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-06 23:14:34,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:14:44,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-06 23:14:44,249 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:14:44,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:14:44,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458632080] [2023-11-06 23:14:44,249 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:14:44,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384635806] [2023-11-06 23:14:44,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384635806] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:14:44,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:14:44,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 23:14:44,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585594736] [2023-11-06 23:14:44,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:14:44,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:14:44,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:14:44,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:14:44,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:14:44,252 INFO L87 Difference]: Start difference. First operand 224 states and 353 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:14:45,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:14:45,408 INFO L93 Difference]: Finished difference Result 551 states and 841 transitions. [2023-11-06 23:14:45,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 23:14:45,409 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 197 [2023-11-06 23:14:45,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:14:45,412 INFO L225 Difference]: With dead ends: 551 [2023-11-06 23:14:45,412 INFO L226 Difference]: Without dead ends: 330 [2023-11-06 23:14:45,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:14:45,414 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 135 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 23:14:45,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 542 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 23:14:45,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2023-11-06 23:14:45,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 232. [2023-11-06 23:14:45,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 163 states have (on average 1.4662576687116564) internal successors, (239), 163 states have internal predecessors, (239), 64 states have call successors, (64), 4 states have call predecessors, (64), 4 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-06 23:14:45,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 367 transitions. [2023-11-06 23:14:45,465 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 367 transitions. Word has length 197 [2023-11-06 23:14:45,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:14:45,466 INFO L495 AbstractCegarLoop]: Abstraction has 232 states and 367 transitions. [2023-11-06 23:14:45,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:14:45,467 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 367 transitions. [2023-11-06 23:14:45,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-06 23:14:45,468 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:14:45,468 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:14:45,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-06 23:14:45,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 23:14:45,675 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:14:45,675 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:14:45,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1038619587, now seen corresponding path program 1 times [2023-11-06 23:14:45,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:14:45,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540746372] [2023-11-06 23:14:45,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:14:45,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:14:45,701 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:14:45,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1636219009] [2023-11-06 23:14:45,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:14:45,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:14:45,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:14:45,703 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:14:45,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-06 23:14:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:14:45,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-06 23:14:45,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:14:49,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-06 23:14:49,704 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:14:49,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:14:49,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540746372] [2023-11-06 23:14:49,704 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:14:49,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636219009] [2023-11-06 23:14:49,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636219009] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:14:49,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:14:49,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 23:14:49,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651443674] [2023-11-06 23:14:49,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:14:49,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:14:49,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:14:49,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:14:49,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:14:49,707 INFO L87 Difference]: Start difference. First operand 232 states and 367 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:14:50,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:14:50,227 INFO L93 Difference]: Finished difference Result 559 states and 851 transitions. [2023-11-06 23:14:50,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 23:14:50,228 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 197 [2023-11-06 23:14:50,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:14:50,230 INFO L225 Difference]: With dead ends: 559 [2023-11-06 23:14:50,231 INFO L226 Difference]: Without dead ends: 330 [2023-11-06 23:14:50,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:14:50,232 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 138 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 23:14:50,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 496 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 23:14:50,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2023-11-06 23:14:50,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 229. [2023-11-06 23:14:50,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 160 states have (on average 1.46875) internal successors, (235), 160 states have internal predecessors, (235), 64 states have call successors, (64), 4 states have call predecessors, (64), 4 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-06 23:14:50,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 363 transitions. [2023-11-06 23:14:50,282 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 363 transitions. Word has length 197 [2023-11-06 23:14:50,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:14:50,283 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 363 transitions. [2023-11-06 23:14:50,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:14:50,283 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 363 transitions. [2023-11-06 23:14:50,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-06 23:14:50,285 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:14:50,285 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:14:50,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-06 23:14:50,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-06 23:14:50,491 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:14:50,491 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:14:50,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1069903813, now seen corresponding path program 1 times [2023-11-06 23:14:50,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:14:50,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915704300] [2023-11-06 23:14:50,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:14:50,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:14:50,515 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:14:50,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1846085270] [2023-11-06 23:14:50,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:14:50,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:14:50,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:14:50,517 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:14:50,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-06 23:14:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:14:50,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 23:14:50,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:14:58,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-06 23:14:58,661 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:14:58,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:14:58,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915704300] [2023-11-06 23:14:58,662 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:14:58,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846085270] [2023-11-06 23:14:58,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846085270] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:14:58,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:14:58,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 23:14:58,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005680662] [2023-11-06 23:14:58,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:14:58,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:14:58,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:14:58,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:14:58,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:14:58,664 INFO L87 Difference]: Start difference. First operand 229 states and 363 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:14:59,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:14:59,649 INFO L93 Difference]: Finished difference Result 592 states and 899 transitions. [2023-11-06 23:14:59,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 23:14:59,650 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 197 [2023-11-06 23:14:59,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:14:59,652 INFO L225 Difference]: With dead ends: 592 [2023-11-06 23:14:59,653 INFO L226 Difference]: Without dead ends: 366 [2023-11-06 23:14:59,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:14:59,654 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 174 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 23:14:59,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 550 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 23:14:59,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2023-11-06 23:14:59,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 229. [2023-11-06 23:14:59,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 160 states have (on average 1.45625) internal successors, (233), 160 states have internal predecessors, (233), 64 states have call successors, (64), 4 states have call predecessors, (64), 4 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-06 23:14:59,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 361 transitions. [2023-11-06 23:14:59,706 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 361 transitions. Word has length 197 [2023-11-06 23:14:59,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:14:59,707 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 361 transitions. [2023-11-06 23:14:59,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:14:59,707 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 361 transitions. [2023-11-06 23:14:59,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-06 23:14:59,709 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:14:59,709 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:14:59,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-06 23:14:59,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-06 23:14:59,916 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:14:59,916 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:14:59,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1462930823, now seen corresponding path program 1 times [2023-11-06 23:14:59,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:14:59,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145386892] [2023-11-06 23:14:59,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:14:59,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:14:59,941 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:14:59,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1033475459] [2023-11-06 23:14:59,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:14:59,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:14:59,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:14:59,942 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:14:59,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-06 23:15:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:15:00,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 23:15:00,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:15:05,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-06 23:15:05,484 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:15:05,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:15:05,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145386892] [2023-11-06 23:15:05,484 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:15:05,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033475459] [2023-11-06 23:15:05,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033475459] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:15:05,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:15:05,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 23:15:05,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363118279] [2023-11-06 23:15:05,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:15:05,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:15:05,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:15:05,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:15:05,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:15:05,487 INFO L87 Difference]: Start difference. First operand 229 states and 361 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:15:06,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:15:06,521 INFO L93 Difference]: Finished difference Result 592 states and 890 transitions. [2023-11-06 23:15:06,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 23:15:06,522 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 197 [2023-11-06 23:15:06,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:15:06,524 INFO L225 Difference]: With dead ends: 592 [2023-11-06 23:15:06,524 INFO L226 Difference]: Without dead ends: 366 [2023-11-06 23:15:06,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:15:06,528 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 155 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 23:15:06,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 581 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 23:15:06,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2023-11-06 23:15:06,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 223. [2023-11-06 23:15:06,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 154 states have (on average 1.448051948051948) internal successors, (223), 154 states have internal predecessors, (223), 64 states have call successors, (64), 4 states have call predecessors, (64), 4 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-06 23:15:06,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 351 transitions. [2023-11-06 23:15:06,582 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 351 transitions. Word has length 197 [2023-11-06 23:15:06,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:15:06,583 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 351 transitions. [2023-11-06 23:15:06,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:15:06,583 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 351 transitions. [2023-11-06 23:15:06,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-06 23:15:06,585 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:15:06,585 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:15:06,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-11-06 23:15:06,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-06 23:15:06,792 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:15:06,792 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:15:06,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1656709827, now seen corresponding path program 1 times [2023-11-06 23:15:06,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:15:06,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837116530] [2023-11-06 23:15:06,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:15:06,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:15:06,824 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:15:06,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1238875195] [2023-11-06 23:15:06,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:15:06,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:15:06,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:15:06,826 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:15:06,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-06 23:15:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:15:07,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 23:15:07,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:15:11,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-06 23:15:11,987 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:15:11,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:15:11,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837116530] [2023-11-06 23:15:11,987 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:15:11,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238875195] [2023-11-06 23:15:11,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238875195] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:15:11,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:15:11,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 23:15:11,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288447345] [2023-11-06 23:15:11,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:15:11,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:15:11,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:15:11,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:15:11,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:15:11,989 INFO L87 Difference]: Start difference. First operand 223 states and 351 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:15:12,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:15:12,465 INFO L93 Difference]: Finished difference Result 555 states and 846 transitions. [2023-11-06 23:15:12,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 23:15:12,466 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 197 [2023-11-06 23:15:12,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:15:12,468 INFO L225 Difference]: With dead ends: 555 [2023-11-06 23:15:12,468 INFO L226 Difference]: Without dead ends: 335 [2023-11-06 23:15:12,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:15:12,469 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 143 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:15:12,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 735 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 23:15:12,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2023-11-06 23:15:12,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 220. [2023-11-06 23:15:12,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 151 states have (on average 1.4304635761589404) internal successors, (216), 151 states have internal predecessors, (216), 64 states have call successors, (64), 4 states have call predecessors, (64), 4 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-06 23:15:12,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 344 transitions. [2023-11-06 23:15:12,522 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 344 transitions. Word has length 197 [2023-11-06 23:15:12,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:15:12,523 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 344 transitions. [2023-11-06 23:15:12,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:15:12,523 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 344 transitions. [2023-11-06 23:15:12,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-06 23:15:12,525 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:15:12,525 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:15:12,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-11-06 23:15:12,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-06 23:15:12,731 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:15:12,731 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:15:12,732 INFO L85 PathProgramCache]: Analyzing trace with hash -2049736837, now seen corresponding path program 1 times [2023-11-06 23:15:12,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:15:12,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870706857] [2023-11-06 23:15:12,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:15:12,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:15:12,758 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:15:12,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [427311941] [2023-11-06 23:15:12,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:15:12,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:15:12,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:15:12,760 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:15:12,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-06 23:15:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:15:12,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 23:15:12,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:15:15,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-06 23:15:15,465 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:15:15,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:15:15,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870706857] [2023-11-06 23:15:15,465 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:15:15,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427311941] [2023-11-06 23:15:15,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427311941] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:15:15,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:15:15,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 23:15:15,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257257648] [2023-11-06 23:15:15,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:15:15,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:15:15,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:15:15,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:15:15,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:15:15,467 INFO L87 Difference]: Start difference. First operand 220 states and 344 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:15:15,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:15:15,935 INFO L93 Difference]: Finished difference Result 552 states and 835 transitions. [2023-11-06 23:15:15,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 23:15:15,939 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 197 [2023-11-06 23:15:15,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:15:15,941 INFO L225 Difference]: With dead ends: 552 [2023-11-06 23:15:15,942 INFO L226 Difference]: Without dead ends: 335 [2023-11-06 23:15:15,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:15:15,943 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 124 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:15:15,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 567 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 23:15:15,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2023-11-06 23:15:15,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 214. [2023-11-06 23:15:15,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 145 states have (on average 1.4206896551724137) internal successors, (206), 145 states have internal predecessors, (206), 64 states have call successors, (64), 4 states have call predecessors, (64), 4 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-06 23:15:15,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 334 transitions. [2023-11-06 23:15:15,997 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 334 transitions. Word has length 197 [2023-11-06 23:15:15,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:15:15,997 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 334 transitions. [2023-11-06 23:15:15,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:15:15,998 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 334 transitions. [2023-11-06 23:15:15,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-11-06 23:15:15,999 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:15:16,000 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:15:16,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-06 23:15:16,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-06 23:15:16,206 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:15:16,207 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:15:16,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1124945150, now seen corresponding path program 1 times [2023-11-06 23:15:16,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:15:16,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770322793] [2023-11-06 23:15:16,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:15:16,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:15:16,232 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:15:16,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1532106698] [2023-11-06 23:15:16,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:15:16,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:15:16,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:15:16,234 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:15:16,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-06 23:15:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:15:16,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:15:16,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:15:16,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-06 23:15:16,472 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:15:16,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:15:16,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770322793] [2023-11-06 23:15:16,473 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:15:16,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532106698] [2023-11-06 23:15:16,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1532106698] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:15:16,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:15:16,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:15:16,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080530460] [2023-11-06 23:15:16,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:15:16,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:15:16,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:15:16,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:15:16,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:15:16,475 INFO L87 Difference]: Start difference. First operand 214 states and 334 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:15:16,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:15:16,559 INFO L93 Difference]: Finished difference Result 512 states and 788 transitions. [2023-11-06 23:15:16,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:15:16,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 198 [2023-11-06 23:15:16,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:15:16,563 INFO L225 Difference]: With dead ends: 512 [2023-11-06 23:15:16,563 INFO L226 Difference]: Without dead ends: 301 [2023-11-06 23:15:16,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:15:16,565 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 73 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:15:16,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 247 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:15:16,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2023-11-06 23:15:16,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 297. [2023-11-06 23:15:16,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 190 states have (on average 1.3263157894736841) internal successors, (252), 192 states have internal predecessors, (252), 100 states have call successors, (100), 6 states have call predecessors, (100), 6 states have return successors, (100), 98 states have call predecessors, (100), 100 states have call successors, (100) [2023-11-06 23:15:16,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 452 transitions. [2023-11-06 23:15:16,658 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 452 transitions. Word has length 198 [2023-11-06 23:15:16,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:15:16,658 INFO L495 AbstractCegarLoop]: Abstraction has 297 states and 452 transitions. [2023-11-06 23:15:16,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-06 23:15:16,659 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 452 transitions. [2023-11-06 23:15:16,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-11-06 23:15:16,660 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:15:16,660 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:15:16,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-06 23:15:16,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-06 23:15:16,866 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:15:16,867 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:15:16,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1046480444, now seen corresponding path program 1 times [2023-11-06 23:15:16,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:15:16,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324285678] [2023-11-06 23:15:16,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:15:16,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:15:16,900 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:15:16,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1133725165] [2023-11-06 23:15:16,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:15:16,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:15:16,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:15:16,902 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:15:16,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-06 23:15:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:15:17,118 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:15:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:15:17,350 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:15:17,350 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 23:15:17,352 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:15:17,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-11-06 23:15:17,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:15:17,562 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:15:17,567 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:15:17,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:15:17 BoogieIcfgContainer [2023-11-06 23:15:17,724 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:15:17,724 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:15:17,725 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:15:17,725 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:15:17,725 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:50" (3/4) ... [2023-11-06 23:15:17,727 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 23:15:17,728 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:15:17,729 INFO L158 Benchmark]: Toolchain (without parser) took 208337.03ms. Allocated memory was 155.2MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 117.6MB in the beginning and 839.2MB in the end (delta: -721.7MB). Peak memory consumption was 296.3MB. Max. memory is 16.1GB. [2023-11-06 23:15:17,729 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 87.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:15:17,730 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.73ms. Allocated memory is still 155.2MB. Free memory was 117.4MB in the beginning and 117.1MB in the end (delta: 236.0kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 23:15:17,731 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.39ms. Allocated memory is still 155.2MB. Free memory was 116.9MB in the beginning and 110.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 23:15:17,732 INFO L158 Benchmark]: Boogie Preprocessor took 60.36ms. Allocated memory is still 155.2MB. Free memory was 110.7MB in the beginning and 107.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:15:17,732 INFO L158 Benchmark]: RCFGBuilder took 737.85ms. Allocated memory is still 155.2MB. Free memory was 107.8MB in the beginning and 78.9MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-06 23:15:17,733 INFO L158 Benchmark]: TraceAbstraction took 206969.93ms. Allocated memory was 155.2MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 78.3MB in the beginning and 839.2MB in the end (delta: -760.9MB). Peak memory consumption was 260.1MB. Max. memory is 16.1GB. [2023-11-06 23:15:17,733 INFO L158 Benchmark]: Witness Printer took 3.85ms. Allocated memory is still 1.2GB. Free memory is still 839.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:15:17,738 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 87.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 451.73ms. Allocated memory is still 155.2MB. Free memory was 117.4MB in the beginning and 117.1MB in the end (delta: 236.0kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.39ms. Allocated memory is still 155.2MB. Free memory was 116.9MB in the beginning and 110.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.36ms. Allocated memory is still 155.2MB. Free memory was 110.7MB in the beginning and 107.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 737.85ms. Allocated memory is still 155.2MB. Free memory was 107.8MB in the beginning and 78.9MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 206969.93ms. Allocated memory was 155.2MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 78.3MB in the beginning and 839.2MB in the end (delta: -760.9MB). Peak memory consumption was 260.1MB. Max. memory is 16.1GB. * Witness Printer took 3.85ms. Allocated memory is still 1.2GB. Free memory is still 839.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 149, overapproximation of someBinaryFLOATComparisonOperation at line 149. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 4; [L23] unsigned char var_1_2 = 8; [L24] unsigned char var_1_3 = 50; [L25] unsigned short int var_1_4 = 1; [L26] unsigned short int var_1_5 = 16; [L27] unsigned char var_1_6 = 4; [L28] unsigned char var_1_7 = 2; [L29] unsigned char var_1_8 = 128; [L30] unsigned char var_1_9 = 0; [L31] unsigned char var_1_10 = 100; [L32] signed short int var_1_11 = 10; [L33] unsigned char var_1_12 = 1; [L34] unsigned char var_1_13 = 1; [L35] unsigned char var_1_14 = 0; [L36] signed long int var_1_15 = 128; [L37] unsigned char var_1_16 = 128; [L38] unsigned char var_1_17 = 5; [L39] double var_1_18 = 3.6; [L40] double var_1_19 = 31.45; [L41] float var_1_20 = 50.25; [L42] float var_1_21 = 9.8; [L43] float var_1_22 = 4.65; [L44] float var_1_23 = 99.65; [L45] unsigned char var_1_24 = 32; VAL [isInitial=0, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_2=8, var_1_3=50, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L153] isInitial = 1 [L154] FCALL initially() [L155] COND TRUE 1 [L156] FCALL updateLastVariables() [L157] CALL updateVariables() [L95] var_1_2 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=50, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=50, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L96] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=50, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L97] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=50, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=50, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L97] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=50, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L98] var_1_3 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L99] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L100] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L100] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L101] var_1_4 = __VERIFIER_nondet_ushort() [L102] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L102] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L103] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L103] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L104] var_1_5 = __VERIFIER_nondet_ushort() [L105] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L105] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L106] CALL assume_abort_if_not(var_1_5 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L106] RET assume_abort_if_not(var_1_5 <= 65534) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L107] var_1_7 = __VERIFIER_nondet_uchar() [L108] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=128, var_1_9=0] [L108] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=128, var_1_9=0] [L109] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=128, var_1_9=0] [L109] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=128, var_1_9=0] [L110] var_1_8 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=0] [L111] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=0] [L112] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=0] [L112] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=0] [L113] var_1_9 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L114] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L115] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L115] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L116] var_1_10 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L117] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=2, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L118] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L118] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, var_1_10=2, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L119] var_1_12 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L120] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L121] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L121] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L122] var_1_13 = __VERIFIER_nondet_uchar() [L123] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L123] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L124] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L124] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L125] var_1_14 = __VERIFIER_nondet_uchar() [L126] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L126] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L127] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L127] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L128] var_1_16 = __VERIFIER_nondet_uchar() [L129] CALL assume_abort_if_not(var_1_16 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L129] RET assume_abort_if_not(var_1_16 >= 127) VAL [isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L130] CALL assume_abort_if_not(var_1_16 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L130] RET assume_abort_if_not(var_1_16 <= 255) VAL [isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L131] var_1_17 = __VERIFIER_nondet_uchar() [L132] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L132] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L133] CALL assume_abort_if_not(var_1_17 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L133] RET assume_abort_if_not(var_1_17 <= 127) VAL [isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L134] var_1_19 = __VERIFIER_nondet_double() [L135] CALL assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L135] RET assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L136] var_1_21 = __VERIFIER_nondet_float() [L137] CALL assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L137] RET assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L138] var_1_22 = __VERIFIER_nondet_float() [L139] CALL assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L139] RET assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=1993/20, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L140] var_1_23 = __VERIFIER_nondet_float() [L141] CALL assume_abort_if_not((var_1_23 >= -461168.6018427382800e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L141] RET assume_abort_if_not((var_1_23 >= -461168.6018427382800e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_24=32, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L142] var_1_24 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_24=6, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_24=6, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L143] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_24=6, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L144] CALL assume_abort_if_not(var_1_24 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_24=6, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_24=6, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L144] RET assume_abort_if_not(var_1_24 <= 255) VAL [isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_24=6, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L157] RET updateVariables() [L158] CALL step() [L49] COND TRUE var_1_2 <= var_1_3 [L50] var_1_1 = ((((((((var_1_2) < (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))))) > (var_1_5)) ? (((((var_1_2) < (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))))) : (var_1_5))) VAL [isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=0, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_24=6, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=1] [L52] COND TRUE var_1_1 < 5 [L53] var_1_6 = ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))) VAL [isInitial=1, var_1_10=2, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=0, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_24=6, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=2, var_1_7=253, var_1_8=254, var_1_9=1] [L57] COND FALSE !(\read(var_1_12)) [L68] var_1_11 = var_1_2 VAL [isInitial=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=0, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_24=6, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=2, var_1_7=253, var_1_8=254, var_1_9=1] [L70] COND TRUE var_1_2 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17) [L71] var_1_15 = (((((var_1_5 - var_1_2)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_5 - var_1_2)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))) VAL [isInitial=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=253, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=0, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_24=6, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=2, var_1_7=253, var_1_8=254, var_1_9=1] [L75] EXPR 200 << var_1_1 VAL [200 << var_1_1=200, isInitial=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=253, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=0, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_24=6, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=2, var_1_7=253, var_1_8=254, var_1_9=1] [L75] COND FALSE !(((200 << var_1_1) * (var_1_17 * var_1_7)) < var_1_11) [L78] COND FALSE !(\read(var_1_13)) [L91] var_1_20 = var_1_23 VAL [isInitial=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=253, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=0, var_1_20=5, var_1_21=3, var_1_22=4, var_1_23=5, var_1_24=6, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=2, var_1_7=253, var_1_8=254, var_1_9=1] [L158] RET step() [L159] CALL, EXPR property() [L149] EXPR (((((var_1_2 <= var_1_3) ? (var_1_1 == ((unsigned short int) ((((((((var_1_2) < (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))))) > (var_1_5)) ? (((((var_1_2) < (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))))) : (var_1_5))))) : 1) && ((var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((var_1_4 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + var_1_6))) ? (var_1_8) : ((var_1_10 + var_1_6)))))) : (var_1_11 == ((signed short int) var_1_3))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) var_1_2)))) && ((var_1_2 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_5 - var_1_2)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_5 - var_1_2)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_6)))) && ((((200 << var_1_1) * (var_1_17 * var_1_7)) < var_1_11) ? (var_1_18 == ((double) var_1_19)) : 1) VAL [(((((var_1_2 <= var_1_3) ? (var_1_1 == ((unsigned short int) ((((((((var_1_2) < (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))))) > (var_1_5)) ? (((((var_1_2) < (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))))) : (var_1_5))))) : 1) && ((var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((var_1_4 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + var_1_6))) ? (var_1_8) : ((var_1_10 + var_1_6)))))) : (var_1_11 == ((signed short int) var_1_3))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) var_1_2)))) && ((var_1_2 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_5 - var_1_2)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_5 - var_1_2)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_6)))) && ((((200 << var_1_1) * (var_1_17 * var_1_7)) < var_1_11) ? (var_1_18 == ((double) var_1_19)) : 1)=1, isInitial=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=253, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=0, var_1_20=5, var_1_21=3, var_1_22=4, var_1_23=5, var_1_24=6, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=2, var_1_7=253, var_1_8=254, var_1_9=1] [L149] EXPR 200 << var_1_1 VAL [(((((var_1_2 <= var_1_3) ? (var_1_1 == ((unsigned short int) ((((((((var_1_2) < (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))))) > (var_1_5)) ? (((((var_1_2) < (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))))) : (var_1_5))))) : 1) && ((var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((var_1_4 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + var_1_6))) ? (var_1_8) : ((var_1_10 + var_1_6)))))) : (var_1_11 == ((signed short int) var_1_3))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) var_1_2)))) && ((var_1_2 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_5 - var_1_2)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_5 - var_1_2)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_6)))) && ((((200 << var_1_1) * (var_1_17 * var_1_7)) < var_1_11) ? (var_1_18 == ((double) var_1_19)) : 1)=1, 200 << var_1_1=200, isInitial=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=253, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=0, var_1_20=5, var_1_21=3, var_1_22=4, var_1_23=5, var_1_24=6, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=2, var_1_7=253, var_1_8=254, var_1_9=1] [L149] EXPR (((((var_1_2 <= var_1_3) ? (var_1_1 == ((unsigned short int) ((((((((var_1_2) < (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))))) > (var_1_5)) ? (((((var_1_2) < (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))))) : (var_1_5))))) : 1) && ((var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((var_1_4 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + var_1_6))) ? (var_1_8) : ((var_1_10 + var_1_6)))))) : (var_1_11 == ((signed short int) var_1_3))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) var_1_2)))) && ((var_1_2 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_5 - var_1_2)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_5 - var_1_2)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_6)))) && ((((200 << var_1_1) * (var_1_17 * var_1_7)) < var_1_11) ? (var_1_18 == ((double) var_1_19)) : 1) VAL [(((((var_1_2 <= var_1_3) ? (var_1_1 == ((unsigned short int) ((((((((var_1_2) < (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))))) > (var_1_5)) ? (((((var_1_2) < (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))))) : (var_1_5))))) : 1) && ((var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((var_1_4 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + var_1_6))) ? (var_1_8) : ((var_1_10 + var_1_6)))))) : (var_1_11 == ((signed short int) var_1_3))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) var_1_2)))) && ((var_1_2 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_5 - var_1_2)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_5 - var_1_2)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_6)))) && ((((200 << var_1_1) * (var_1_17 * var_1_7)) < var_1_11) ? (var_1_18 == ((double) var_1_19)) : 1)=1, 200 << var_1_1=200, isInitial=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=253, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=0, var_1_20=5, var_1_21=3, var_1_22=4, var_1_23=5, var_1_24=6, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=2, var_1_7=253, var_1_8=254, var_1_9=1] [L149-L150] return ((((((var_1_2 <= var_1_3) ? (var_1_1 == ((unsigned short int) ((((((((var_1_2) < (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))))) > (var_1_5)) ? (((((var_1_2) < (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))))) : (var_1_5))))) : 1) && ((var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((var_1_4 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + var_1_6))) ? (var_1_8) : ((var_1_10 + var_1_6)))))) : (var_1_11 == ((signed short int) var_1_3))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) var_1_2)))) && ((var_1_2 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_5 - var_1_2)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_5 - var_1_2)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_6)))) && ((((200 << var_1_1) * (var_1_17 * var_1_7)) < var_1_11) ? (var_1_18 == ((double) var_1_19)) : 1)) && (var_1_13 ? (var_1_14 ? (var_1_12 ? (var_1_20 == ((float) (var_1_21 + ((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23)))))) : 1) : ((var_1_24 <= 0) ? (var_1_20 == ((float) var_1_19)) : (var_1_20 == ((float) var_1_22)))) : (var_1_20 == ((float) var_1_23))) ; [L159] RET, EXPR property() [L159] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=253, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=0, var_1_20=5, var_1_21=3, var_1_22=4, var_1_23=5, var_1_24=6, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=2, var_1_7=253, var_1_8=254, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=253, var_1_16=255, var_1_17=0, var_1_18=18/5, var_1_19=2, var_1_1=0, var_1_20=5, var_1_21=3, var_1_22=4, var_1_23=5, var_1_24=6, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=2, var_1_7=253, var_1_8=254, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 206.7s, OverallIterations: 19, TraceHistogramMax: 32, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 21.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2966 SdHoareTripleChecker+Valid, 9.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2938 mSDsluCounter, 8855 SdHoareTripleChecker+Invalid, 8.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6184 mSDsCounter, 420 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3009 IncrementalHoareTripleChecker+Invalid, 3429 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 420 mSolverCounterUnsat, 2671 mSDtfsCounter, 3009 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4205 GetRequests, 3992 SyntacticMatches, 0 SemanticMatches, 213 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 682 ImplicationChecksByTransitivity, 20.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=297occurred in iteration=18, InterpolantAutomatonStates: 220, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 18 MinimizatonAttempts, 1635 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 175.1s InterpolantComputationTime, 3933 NumberOfCodeBlocks, 3933 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 4107 ConstructedInterpolants, 0 QuantifiedInterpolants, 37279 SizeOfPredicates, 289 NumberOfNonLiveVariables, 7820 ConjunctsInSsa, 254 ConjunctsInUnsatCore, 21 InterpolantComputations, 17 PerfectInterpolantSequences, 41376/41664 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 23:15:17,990 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-11-06 23:15:18,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 49a7910a640b9ef8dea3798033f5d3f27279f235dab211562519047fb85b8da0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:15:20,362 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:15:20,458 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 23:15:20,469 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:15:20,470 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:15:20,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:15:20,521 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:15:20,522 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:15:20,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:15:20,528 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:15:20,529 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:15:20,529 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:15:20,529 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:15:20,532 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:15:20,532 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:15:20,532 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:15:20,533 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:15:20,533 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:15:20,534 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:15:20,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:15:20,535 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:15:20,536 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 23:15:20,536 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 23:15:20,537 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 23:15:20,537 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:15:20,537 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:15:20,538 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:15:20,538 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:15:20,539 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:15:20,539 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:15:20,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:15:20,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:15:20,541 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:15:20,542 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:15:20,542 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 23:15:20,542 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 23:15:20,542 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:15:20,543 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:15:20,543 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:15:20,543 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:15:20,544 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 23:15:20,544 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:15:20,544 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49a7910a640b9ef8dea3798033f5d3f27279f235dab211562519047fb85b8da0 [2023-11-06 23:15:20,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:15:20,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:15:20,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:15:20,941 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:15:20,942 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:15:20,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-28.i [2023-11-06 23:15:23,973 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:15:24,306 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:15:24,308 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-28.i [2023-11-06 23:15:24,322 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/data/9ea7cd752/aad2b612d13c4af2abf0910307f7c307/FLAG5ba74976f [2023-11-06 23:15:24,339 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/data/9ea7cd752/aad2b612d13c4af2abf0910307f7c307 [2023-11-06 23:15:24,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:15:24,346 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:15:24,352 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:15:24,352 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:15:24,357 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:15:24,358 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:15:24" (1/1) ... [2023-11-06 23:15:24,359 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d4e2f1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:15:24, skipping insertion in model container [2023-11-06 23:15:24,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:15:24" (1/1) ... [2023-11-06 23:15:24,407 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:15:24,560 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-28.i[913,926] [2023-11-06 23:15:24,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:15:24,644 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:15:24,654 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-28.i[913,926] [2023-11-06 23:15:24,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:15:24,716 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:15:24,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:15:24 WrapperNode [2023-11-06 23:15:24,717 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:15:24,718 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:15:24,718 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:15:24,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:15:24,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:15:24" (1/1) ... [2023-11-06 23:15:24,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:15:24" (1/1) ... [2023-11-06 23:15:24,775 INFO L138 Inliner]: procedures = 27, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 169 [2023-11-06 23:15:24,775 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:15:24,776 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:15:24,777 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:15:24,777 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:15:24,786 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:15:24" (1/1) ... [2023-11-06 23:15:24,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:15:24" (1/1) ... [2023-11-06 23:15:24,795 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:15:24" (1/1) ... [2023-11-06 23:15:24,795 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:15:24" (1/1) ... [2023-11-06 23:15:24,818 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:15:24" (1/1) ... [2023-11-06 23:15:24,832 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:15:24" (1/1) ... [2023-11-06 23:15:24,845 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:15:24" (1/1) ... [2023-11-06 23:15:24,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:15:24" (1/1) ... [2023-11-06 23:15:24,853 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:15:24,854 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:15:24,854 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:15:24,854 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:15:24,855 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:15:24" (1/1) ... [2023-11-06 23:15:24,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:15:24,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:15:24,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:15:24,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:15:24,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:15:24,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 23:15:24,966 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 23:15:24,966 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 23:15:24,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:15:24,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:15:25,114 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:15:25,116 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:15:26,225 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:15:26,234 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:15:26,234 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:15:26,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:15:26 BoogieIcfgContainer [2023-11-06 23:15:26,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:15:26,240 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:15:26,241 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:15:26,244 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:15:26,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:15:24" (1/3) ... [2023-11-06 23:15:26,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eba21a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:15:26, skipping insertion in model container [2023-11-06 23:15:26,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:15:24" (2/3) ... [2023-11-06 23:15:26,248 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eba21a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:15:26, skipping insertion in model container [2023-11-06 23:15:26,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:15:26" (3/3) ... [2023-11-06 23:15:26,250 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-28.i [2023-11-06 23:15:26,266 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:15:26,266 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:15:26,312 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:15:26,318 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@562b67ff, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:15:26,319 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:15:26,324 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-06 23:15:26,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-11-06 23:15:26,346 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:15:26,348 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:15:26,351 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:15:26,359 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:15:26,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1311173460, now seen corresponding path program 1 times [2023-11-06 23:15:26,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:15:26,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [122062533] [2023-11-06 23:15:26,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:15:26,378 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:15:26,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:15:26,386 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:15:26,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 23:15:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:15:26,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 23:15:26,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:15:26,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 734 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2023-11-06 23:15:26,993 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:15:26,994 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:15:26,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [122062533] [2023-11-06 23:15:26,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [122062533] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:15:26,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:15:26,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:15:26,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310723274] [2023-11-06 23:15:26,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:15:27,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:15:27,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:15:27,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:15:27,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:15:27,034 INFO L87 Difference]: Start difference. First operand has 80 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-06 23:15:27,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:15:27,070 INFO L93 Difference]: Finished difference Result 153 states and 276 transitions. [2023-11-06 23:15:27,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:15:27,072 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 193 [2023-11-06 23:15:27,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:15:27,081 INFO L225 Difference]: With dead ends: 153 [2023-11-06 23:15:27,081 INFO L226 Difference]: Without dead ends: 76 [2023-11-06 23:15:27,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:15:27,089 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:15:27,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:15:27,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-06 23:15:27,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-11-06 23:15:27,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 42 states have internal predecessors, (54), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-06 23:15:27,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 118 transitions. [2023-11-06 23:15:27,142 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 118 transitions. Word has length 193 [2023-11-06 23:15:27,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:15:27,143 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 118 transitions. [2023-11-06 23:15:27,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-06 23:15:27,144 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2023-11-06 23:15:27,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-11-06 23:15:27,149 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:15:27,150 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:15:27,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 23:15:27,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:15:27,369 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:15:27,369 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:15:27,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1040710580, now seen corresponding path program 1 times [2023-11-06 23:15:27,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:15:27,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1297857289] [2023-11-06 23:15:27,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:15:27,371 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:15:27,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:15:27,372 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:15:27,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7771fee-49b2-4655-95ea-e1db9f31d24f/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 23:15:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:15:27,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-06 23:15:27,859 INFO L285 TraceCheckSpWp]: Computing forward predicates...