./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-32.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_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/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_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/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_331094db-1d91-45bb-940e-fb52272570d0/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 c35ab03f4f4f78ac1af608465bb57e10aa6da013cafc0cae47ddeca5b98a94fb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:54:22,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:54:22,611 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:54:22,625 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:54:22,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:54:22,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:54:22,665 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:54:22,666 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:54:22,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:54:22,672 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:54:22,674 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:54:22,674 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:54:22,675 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:54:22,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:54:22,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:54:22,678 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:54:22,678 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:54:22,679 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:54:22,679 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:54:22,680 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:54:22,680 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:54:22,681 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:54:22,681 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:54:22,682 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:54:22,682 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:54:22,683 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:54:22,684 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:54:22,684 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:54:22,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:54:22,685 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:54:22,687 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:54:22,687 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:54:22,687 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:54:22,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:54:22,688 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:54:22,688 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:54:22,689 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:54:22,689 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:54:22,689 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:54:22,690 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_331094db-1d91-45bb-940e-fb52272570d0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c35ab03f4f4f78ac1af608465bb57e10aa6da013cafc0cae47ddeca5b98a94fb [2023-11-06 22:54:22,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:54:23,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:54:23,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:54:23,036 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:54:23,037 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:54:23,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-32.i [2023-11-06 22:54:26,235 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:54:26,517 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:54:26,519 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-32.i [2023-11-06 22:54:26,532 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/data/d39bd2fdf/6daf2d08d07246158116716549ab0cd9/FLAG32e2abfa1 [2023-11-06 22:54:26,556 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/data/d39bd2fdf/6daf2d08d07246158116716549ab0cd9 [2023-11-06 22:54:26,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:54:26,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:54:26,568 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:54:26,568 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:54:26,574 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:54:26,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:54:26" (1/1) ... [2023-11-06 22:54:26,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a039888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:26, skipping insertion in model container [2023-11-06 22:54:26,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:54:26" (1/1) ... [2023-11-06 22:54:26,626 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:54:26,773 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_331094db-1d91-45bb-940e-fb52272570d0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-32.i[913,926] [2023-11-06 22:54:26,830 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:54:26,843 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:54:26,853 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_331094db-1d91-45bb-940e-fb52272570d0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-32.i[913,926] [2023-11-06 22:54:26,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:54:26,904 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:54:26,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:26 WrapperNode [2023-11-06 22:54:26,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:54:26,906 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:54:26,906 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:54:26,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:54:26,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:26" (1/1) ... [2023-11-06 22:54:26,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:26" (1/1) ... [2023-11-06 22:54:26,970 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2023-11-06 22:54:26,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:54:26,971 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:54:26,971 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:54:26,971 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:54:26,982 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:26" (1/1) ... [2023-11-06 22:54:26,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:26" (1/1) ... [2023-11-06 22:54:26,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:26" (1/1) ... [2023-11-06 22:54:26,987 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:26" (1/1) ... [2023-11-06 22:54:26,998 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:26" (1/1) ... [2023-11-06 22:54:27,002 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:26" (1/1) ... [2023-11-06 22:54:27,006 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:26" (1/1) ... [2023-11-06 22:54:27,008 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:26" (1/1) ... [2023-11-06 22:54:27,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:54:27,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:54:27,015 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:54:27,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:54:27,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:26" (1/1) ... [2023-11-06 22:54:27,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:54:27,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:27,066 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:27,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:54:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:54:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:54:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:54:27,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:54:27,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:54:27,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:54:27,177 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:54:27,179 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:54:27,677 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:54:27,688 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:54:27,689 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:54:27,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:27 BoogieIcfgContainer [2023-11-06 22:54:27,693 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:54:27,698 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:54:27,699 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:54:27,703 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:54:27,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:54:26" (1/3) ... [2023-11-06 22:54:27,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc44802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:54:27, skipping insertion in model container [2023-11-06 22:54:27,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:26" (2/3) ... [2023-11-06 22:54:27,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc44802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:54:27, skipping insertion in model container [2023-11-06 22:54:27,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:27" (3/3) ... [2023-11-06 22:54:27,708 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-32.i [2023-11-06 22:54:27,730 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:54:27,731 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:54:27,793 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:54:27,802 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;@4389338d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:54:27,802 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:54:27,806 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 40 states have (on average 1.4) internal successors, (56), 41 states have internal predecessors, (56), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 22:54:27,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-06 22:54:27,821 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:27,823 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:27,824 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:27,830 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:27,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1402951041, now seen corresponding path program 1 times [2023-11-06 22:54:27,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:27,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221144574] [2023-11-06 22:54:27,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:27,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:54:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:54:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:54:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:54:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:54:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 22:54:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:54:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 22:54:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 22:54:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 22:54:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 22:54:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 22:54:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 22:54:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-06 22:54:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-06 22:54:28,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-06 22:54:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-06 22:54:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-06 22:54:28,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-06 22:54:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,257 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:54:28,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:28,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221144574] [2023-11-06 22:54:28,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221144574] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:28,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:28,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:54:28,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915707902] [2023-11-06 22:54:28,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:28,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:54:28,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:28,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:54:28,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:54:28,330 INFO L87 Difference]: Start difference. First operand has 62 states, 40 states have (on average 1.4) internal successors, (56), 41 states have internal predecessors, (56), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 22:54:28,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:28,365 INFO L93 Difference]: Finished difference Result 117 states and 201 transitions. [2023-11-06 22:54:28,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:54:28,368 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 123 [2023-11-06 22:54:28,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:28,377 INFO L225 Difference]: With dead ends: 117 [2023-11-06 22:54:28,377 INFO L226 Difference]: Without dead ends: 58 [2023-11-06 22:54:28,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 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 22:54:28,386 INFO L413 NwaCegarLoop]: 87 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, 87 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 22:54:28,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:54:28,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-06 22:54:28,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-06 22:54:28,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 22:54:28,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 87 transitions. [2023-11-06 22:54:28,439 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 87 transitions. Word has length 123 [2023-11-06 22:54:28,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:28,440 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 87 transitions. [2023-11-06 22:54:28,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 22:54:28,441 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 87 transitions. [2023-11-06 22:54:28,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-06 22:54:28,445 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:28,445 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:28,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:54:28,446 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:28,447 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:28,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1225521275, now seen corresponding path program 1 times [2023-11-06 22:54:28,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:28,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045971585] [2023-11-06 22:54:28,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:28,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:54:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:54:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:54:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:54:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:54:28,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 22:54:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:54:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 22:54:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 22:54:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 22:54:28,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 22:54:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 22:54:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 22:54:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-06 22:54:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-06 22:54:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-06 22:54:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-06 22:54:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-06 22:54:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-06 22:54:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,892 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:54:28,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:28,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045971585] [2023-11-06 22:54:28,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045971585] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:28,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:28,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:54:28,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083504569] [2023-11-06 22:54:28,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:28,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:54:28,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:28,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:54:28,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:54:28,898 INFO L87 Difference]: Start difference. First operand 58 states and 87 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:54:28,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:28,951 INFO L93 Difference]: Finished difference Result 168 states and 255 transitions. [2023-11-06 22:54:28,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:54:28,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 123 [2023-11-06 22:54:28,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:28,955 INFO L225 Difference]: With dead ends: 168 [2023-11-06 22:54:28,955 INFO L226 Difference]: Without dead ends: 113 [2023-11-06 22:54:28,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 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 22:54:28,958 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 44 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:28,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 160 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:54:28,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-11-06 22:54:29,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 110. [2023-11-06 22:54:29,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 69 states have (on average 1.318840579710145) internal successors, (91), 69 states have internal predecessors, (91), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-06 22:54:29,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 167 transitions. [2023-11-06 22:54:29,014 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 167 transitions. Word has length 123 [2023-11-06 22:54:29,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:29,016 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 167 transitions. [2023-11-06 22:54:29,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:54:29,016 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 167 transitions. [2023-11-06 22:54:29,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-06 22:54:29,023 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:29,023 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:29,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:54:29,024 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:29,024 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:29,024 INFO L85 PathProgramCache]: Analyzing trace with hash 549486087, now seen corresponding path program 1 times [2023-11-06 22:54:29,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:29,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098186043] [2023-11-06 22:54:29,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:29,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:29,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:54:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:29,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:54:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:29,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:54:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:29,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:54:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:29,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:54:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:29,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 22:54:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:29,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:54:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:29,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 22:54:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:29,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 22:54:29,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:29,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 22:54:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:29,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 22:54:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:29,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 22:54:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:29,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 22:54:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:29,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-06 22:54:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:29,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-06 22:54:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:29,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-06 22:54:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:29,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-06 22:54:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:29,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-06 22:54:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:29,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-06 22:54:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:29,551 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 42 proven. 12 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-06 22:54:29,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:29,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098186043] [2023-11-06 22:54:29,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098186043] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:54:29,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908927135] [2023-11-06 22:54:29,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:29,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:54:29,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:29,557 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:54:29,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:54:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:29,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:54:29,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:29,877 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 270 proven. 12 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2023-11-06 22:54:29,877 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:54:30,073 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 42 proven. 12 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-06 22:54:30,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908927135] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:54:30,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:54:30,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2023-11-06 22:54:30,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802073298] [2023-11-06 22:54:30,074 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:54:30,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:54:30,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:30,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:54:30,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:54:30,077 INFO L87 Difference]: Start difference. First operand 110 states and 167 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-06 22:54:30,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:30,404 INFO L93 Difference]: Finished difference Result 255 states and 381 transitions. [2023-11-06 22:54:30,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:54:30,405 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 123 [2023-11-06 22:54:30,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:30,408 INFO L225 Difference]: With dead ends: 255 [2023-11-06 22:54:30,408 INFO L226 Difference]: Without dead ends: 148 [2023-11-06 22:54:30,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 279 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:54:30,412 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 89 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:30,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 193 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:54:30,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2023-11-06 22:54:30,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 141. [2023-11-06 22:54:30,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 84 states have (on average 1.2380952380952381) internal successors, (104), 85 states have internal predecessors, (104), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-06 22:54:30,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 208 transitions. [2023-11-06 22:54:30,454 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 208 transitions. Word has length 123 [2023-11-06 22:54:30,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:30,455 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 208 transitions. [2023-11-06 22:54:30,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-06 22:54:30,456 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 208 transitions. [2023-11-06 22:54:30,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-06 22:54:30,459 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:30,459 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:30,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:30,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:54:30,666 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:30,666 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:30,666 INFO L85 PathProgramCache]: Analyzing trace with hash -219419195, now seen corresponding path program 1 times [2023-11-06 22:54:30,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:30,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944013005] [2023-11-06 22:54:30,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:30,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:30,754 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:54:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:30,972 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:54:30,973 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:54:30,974 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:54:30,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:54:30,979 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-06 22:54:30,983 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:54:31,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:54:31 BoogieIcfgContainer [2023-11-06 22:54:31,143 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:54:31,144 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:54:31,144 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:54:31,144 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:54:31,145 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:27" (3/4) ... [2023-11-06 22:54:31,147 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:54:31,148 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:54:31,149 INFO L158 Benchmark]: Toolchain (without parser) took 4584.47ms. Allocated memory was 148.9MB in the beginning and 199.2MB in the end (delta: 50.3MB). Free memory was 109.5MB in the beginning and 113.9MB in the end (delta: -4.3MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2023-11-06 22:54:31,150 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:54:31,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.55ms. Allocated memory is still 148.9MB. Free memory was 109.3MB in the beginning and 95.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:54:31,154 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.18ms. Allocated memory is still 148.9MB. Free memory was 95.8MB in the beginning and 92.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:54:31,156 INFO L158 Benchmark]: Boogie Preprocessor took 42.85ms. Allocated memory is still 148.9MB. Free memory was 92.5MB in the beginning and 90.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:54:31,157 INFO L158 Benchmark]: RCFGBuilder took 680.17ms. Allocated memory is still 148.9MB. Free memory was 90.7MB in the beginning and 113.4MB in the end (delta: -22.8MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2023-11-06 22:54:31,157 INFO L158 Benchmark]: TraceAbstraction took 3444.56ms. Allocated memory was 148.9MB in the beginning and 199.2MB in the end (delta: 50.3MB). Free memory was 112.4MB in the beginning and 113.9MB in the end (delta: -1.5MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2023-11-06 22:54:31,158 INFO L158 Benchmark]: Witness Printer took 4.60ms. Allocated memory is still 199.2MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:54:31,161 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.55ms. Allocated memory is still 148.9MB. Free memory was 109.3MB in the beginning and 95.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.18ms. Allocated memory is still 148.9MB. Free memory was 95.8MB in the beginning and 92.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.85ms. Allocated memory is still 148.9MB. Free memory was 92.5MB in the beginning and 90.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 680.17ms. Allocated memory is still 148.9MB. Free memory was 90.7MB in the beginning and 113.4MB in the end (delta: -22.8MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3444.56ms. Allocated memory was 148.9MB in the beginning and 199.2MB in the end (delta: 50.3MB). Free memory was 112.4MB in the beginning and 113.9MB in the end (delta: -1.5MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. * Witness Printer took 4.60ms. Allocated memory is still 199.2MB. Free memory is still 113.9MB. 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 someBinaryFLOATComparisonOperation at line 130, overapproximation of someBinaryDOUBLEComparisonOperation at line 130, overapproximation of someBinaryArithmeticFLOAToperation at line 84. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 2; [L23] unsigned char var_1_4 = 100; [L24] unsigned char var_1_5 = 2; [L25] unsigned char var_1_6 = 64; [L26] unsigned char var_1_7 = 32; [L27] unsigned char var_1_8 = 32; [L28] float var_1_9 = 100.5; [L29] float var_1_11 = 0.8; [L30] float var_1_12 = 2.5; [L31] signed short int var_1_13 = -32; [L32] unsigned char var_1_15 = 1; [L33] unsigned char var_1_16 = 0; [L34] unsigned char var_1_17 = 0; [L35] float var_1_18 = 0.25; [L36] float var_1_19 = 100000000.25; [L37] signed char var_1_20 = 0; [L38] signed char var_1_21 = 10; [L39] double var_1_22 = 1000000.5; [L40] unsigned long int var_1_23 = 256; [L41] unsigned long int var_1_24 = 50; [L42] unsigned char last_1_var_1_1 = 2; [L43] unsigned char last_1_var_1_15 = 1; [L44] signed char last_1_var_1_20 = 0; VAL [isInitial=0, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=100, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L134] isInitial = 1 [L135] FCALL initially() [L136] COND TRUE 1 [L137] CALL updateLastVariables() [L125] last_1_var_1_1 = var_1_1 [L126] last_1_var_1_15 = var_1_15 [L127] last_1_var_1_20 = var_1_20 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=100, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L137] RET updateLastVariables() [L138] CALL updateVariables() [L93] var_1_4 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_4 >= 95) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L94] RET assume_abort_if_not(var_1_4 >= 95) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L95] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L95] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L96] var_1_5 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L97] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L98] CALL assume_abort_if_not(var_1_5 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L98] RET assume_abort_if_not(var_1_5 <= 32) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L99] var_1_6 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_6 >= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L100] RET assume_abort_if_not(var_1_6 >= 64) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L101] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L101] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L102] var_1_7 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=32, var_1_9=201/2] [L103] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=32, var_1_9=201/2] [L104] CALL assume_abort_if_not(var_1_7 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=32, var_1_9=201/2] [L104] RET assume_abort_if_not(var_1_7 <= 64) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=32, var_1_9=201/2] [L105] var_1_8 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L106] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L107] CALL assume_abort_if_not(var_1_8 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L107] RET assume_abort_if_not(var_1_8 <= 63) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L108] var_1_11 = __VERIFIER_nondet_float() [L109] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L109] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L110] var_1_12 = __VERIFIER_nondet_float() [L111] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L111] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L112] var_1_16 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L113] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L114] CALL assume_abort_if_not(var_1_16 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L114] RET assume_abort_if_not(var_1_16 <= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L115] var_1_17 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L116] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L117] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L117] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L118] var_1_19 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=100000006, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=100000006, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L119] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=100000006, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L120] var_1_21 = __VERIFIER_nondet_char() [L121] CALL assume_abort_if_not(var_1_21 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=100000006, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=100000006, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L121] RET assume_abort_if_not(var_1_21 >= -31) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=100000006, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L122] CALL assume_abort_if_not(var_1_21 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=100000006, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=100000006, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L122] RET assume_abort_if_not(var_1_21 <= 31) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=100000006, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L138] RET updateVariables() [L139] CALL step() [L48] COND FALSE !(var_1_5 >= var_1_6) [L57] var_1_15 = var_1_17 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=100000006, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L59] unsigned char stepLocal_1 = var_1_15; [L60] unsigned char stepLocal_0 = var_1_15; VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, stepLocal_0=1, stepLocal_1=1, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=100000006, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L61] COND TRUE var_1_17 || stepLocal_0 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, stepLocal_0=1, stepLocal_1=1, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=100000006, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L62] COND TRUE var_1_15 && stepLocal_1 [L63] var_1_18 = (var_1_11 + var_1_19) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, stepLocal_0=1, stepLocal_1=1, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_19=100000006, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L68] COND FALSE !((var_1_12 * ((((var_1_18) < (var_1_11)) ? (var_1_18) : (var_1_11)))) > (- var_1_18)) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, stepLocal_0=1, stepLocal_1=1, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_19=100000006, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L77] COND TRUE var_1_11 == var_1_18 [L78] var_1_20 = ((var_1_5 + var_1_21) + var_1_8) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, stepLocal_0=1, stepLocal_1=1, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_19=100000006, var_1_1=2, var_1_20=64, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L80] COND FALSE !(-32 < var_1_13) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, stepLocal_0=1, stepLocal_1=1, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_19=100000006, var_1_1=2, var_1_20=64, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L83] COND TRUE (var_1_13 + ((((var_1_13) > (var_1_6)) ? (var_1_13) : (var_1_6)))) == var_1_5 [L84] var_1_9 = ((4.5f + var_1_11) - var_1_12) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, stepLocal_0=1, stepLocal_1=1, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_19=100000006, var_1_1=2, var_1_20=64, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63] [L88] var_1_22 = var_1_12 [L89] var_1_23 = var_1_8 [L90] var_1_24 = var_1_6 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, stepLocal_0=1, stepLocal_1=1, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_19=100000006, var_1_1=2, var_1_20=64, var_1_21=-31, var_1_22=100000005, var_1_23=63, var_1_24=64, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63] [L139] RET step() [L140] CALL, EXPR property() [L130-L131] return (((((((((-32 < var_1_13) ? (var_1_1 == ((unsigned char) (((var_1_4 - var_1_5) + var_1_6) - (var_1_7 + ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))))) : 1) && (((var_1_13 + ((((var_1_13) > (var_1_6)) ? (var_1_13) : (var_1_6)))) == var_1_5) ? (var_1_9 == ((float) ((4.5f + var_1_11) - var_1_12))) : (var_1_9 == ((float) var_1_12)))) && (((var_1_12 * ((((var_1_18) < (var_1_11)) ? (var_1_18) : (var_1_11)))) > (- var_1_18)) ? ((var_1_6 <= var_1_8) ? (var_1_15 ? (var_1_13 == ((signed short int) var_1_8)) : (var_1_13 == ((signed short int) var_1_5))) : 1) : 1)) && ((var_1_5 >= var_1_6) ? ((last_1_var_1_1 <= last_1_var_1_20) ? (var_1_15 == ((unsigned char) var_1_16)) : ((last_1_var_1_15 || var_1_16) ? (var_1_15 == ((unsigned char) var_1_17)) : 1)) : (var_1_15 == ((unsigned char) var_1_17)))) && ((var_1_17 || var_1_15) ? ((var_1_15 && var_1_15) ? (var_1_18 == ((float) (var_1_11 + var_1_19))) : (var_1_18 == ((float) var_1_19))) : 1)) && ((var_1_11 == var_1_18) ? (var_1_20 == ((signed char) ((var_1_5 + var_1_21) + var_1_8))) : 1)) && (var_1_22 == ((double) var_1_12))) && (var_1_23 == ((unsigned long int) var_1_8))) && (var_1_24 == ((unsigned long int) var_1_6)) ; VAL [\result=0, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_19=100000006, var_1_1=2, var_1_20=64, var_1_21=-31, var_1_22=100000005, var_1_23=63, var_1_24=64, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63] [L140] RET, EXPR property() [L140] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_19=100000006, var_1_1=2, var_1_20=64, var_1_21=-31, var_1_22=100000005, var_1_23=63, var_1_24=64, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=100000007, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_19=100000006, var_1_1=2, var_1_20=64, var_1_21=-31, var_1_22=100000005, var_1_23=63, var_1_24=64, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 4, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 147 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 133 mSDsluCounter, 440 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 182 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 194 IncrementalHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 258 mSDtfsCounter, 194 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 389 GetRequests, 377 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=141occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 616 NumberOfCodeBlocks, 616 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 610 ConstructedInterpolants, 0 QuantifiedInterpolants, 1190 SizeOfPredicates, 3 NumberOfNonLiveVariables, 310 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 3384/3420 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 22:54:31,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/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_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/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_331094db-1d91-45bb-940e-fb52272570d0/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 c35ab03f4f4f78ac1af608465bb57e10aa6da013cafc0cae47ddeca5b98a94fb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:54:33,872 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:54:34,011 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:54:34,020 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:54:34,023 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:54:34,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:54:34,066 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:54:34,066 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:54:34,067 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:54:34,072 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:54:34,073 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:54:34,074 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:54:34,074 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:54:34,076 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:54:34,077 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:54:34,077 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:54:34,077 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:54:34,078 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:54:34,078 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:54:34,079 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:54:34,080 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:54:34,080 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:54:34,081 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:54:34,081 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:54:34,082 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:54:34,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:54:34,082 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:54:34,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:54:34,083 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:54:34,083 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:54:34,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:54:34,085 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:54:34,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:54:34,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:54:34,086 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:54:34,086 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:54:34,086 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:54:34,087 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:54:34,087 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:54:34,088 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:54:34,088 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:54:34,088 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:54:34,089 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_331094db-1d91-45bb-940e-fb52272570d0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c35ab03f4f4f78ac1af608465bb57e10aa6da013cafc0cae47ddeca5b98a94fb [2023-11-06 22:54:34,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:54:34,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:54:34,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:54:34,512 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:54:34,513 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:54:34,514 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-32.i [2023-11-06 22:54:37,662 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:54:37,914 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:54:37,917 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-32.i [2023-11-06 22:54:37,931 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/data/d9d085903/6ba7195f0ee34bb48058a1bdab3419e7/FLAG849cdc639 [2023-11-06 22:54:38,232 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/data/d9d085903/6ba7195f0ee34bb48058a1bdab3419e7 [2023-11-06 22:54:38,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:54:38,237 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:54:38,238 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:54:38,238 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:54:38,246 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:54:38,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:54:38" (1/1) ... [2023-11-06 22:54:38,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21505a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:38, skipping insertion in model container [2023-11-06 22:54:38,249 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:54:38" (1/1) ... [2023-11-06 22:54:38,297 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:54:38,501 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_331094db-1d91-45bb-940e-fb52272570d0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-32.i[913,926] [2023-11-06 22:54:38,603 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:54:38,642 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:54:38,661 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_331094db-1d91-45bb-940e-fb52272570d0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-32.i[913,926] [2023-11-06 22:54:38,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:54:38,761 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:54:38,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:38 WrapperNode [2023-11-06 22:54:38,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:54:38,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:54:38,764 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:54:38,764 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:54:38,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:38" (1/1) ... [2023-11-06 22:54:38,801 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:38" (1/1) ... [2023-11-06 22:54:38,850 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2023-11-06 22:54:38,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:54:38,853 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:54:38,854 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:54:38,854 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:54:38,864 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:38" (1/1) ... [2023-11-06 22:54:38,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:38" (1/1) ... [2023-11-06 22:54:38,880 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:38" (1/1) ... [2023-11-06 22:54:38,882 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:38" (1/1) ... [2023-11-06 22:54:38,895 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:38" (1/1) ... [2023-11-06 22:54:38,898 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:38" (1/1) ... [2023-11-06 22:54:38,901 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:38" (1/1) ... [2023-11-06 22:54:38,904 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:38" (1/1) ... [2023-11-06 22:54:38,908 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:54:38,909 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:54:38,909 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:54:38,909 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:54:38,910 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:38" (1/1) ... [2023-11-06 22:54:38,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:54:38,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:38,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:38,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:54:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:54:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:54:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:54:38,992 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:54:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:54:38,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:54:39,090 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:54:39,092 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:54:42,508 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:54:42,516 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:54:42,524 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:54:42,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:42 BoogieIcfgContainer [2023-11-06 22:54:42,527 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:54:42,530 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:54:42,530 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:54:42,534 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:54:42,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:54:38" (1/3) ... [2023-11-06 22:54:42,535 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b34a81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:54:42, skipping insertion in model container [2023-11-06 22:54:42,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:38" (2/3) ... [2023-11-06 22:54:42,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b34a81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:54:42, skipping insertion in model container [2023-11-06 22:54:42,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:42" (3/3) ... [2023-11-06 22:54:42,540 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-32.i [2023-11-06 22:54:42,560 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:54:42,560 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:54:42,631 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:54:42,639 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;@518421a0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:54:42,639 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:54:42,644 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 40 states have (on average 1.4) internal successors, (56), 41 states have internal predecessors, (56), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 22:54:42,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-06 22:54:42,661 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:42,662 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:42,663 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:42,670 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:42,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1402951041, now seen corresponding path program 1 times [2023-11-06 22:54:42,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:54:42,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [784161805] [2023-11-06 22:54:42,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:42,689 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 22:54:42,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:54:42,697 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/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 22:54:42,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/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 22:54:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:43,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:54:43,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:43,185 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2023-11-06 22:54:43,186 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:54:43,187 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:54:43,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [784161805] [2023-11-06 22:54:43,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [784161805] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:43,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:43,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:54:43,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578985218] [2023-11-06 22:54:43,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:43,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:54:43,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:54:43,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:54:43,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:54:43,235 INFO L87 Difference]: Start difference. First operand has 62 states, 40 states have (on average 1.4) internal successors, (56), 41 states have internal predecessors, (56), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 22:54:43,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:43,272 INFO L93 Difference]: Finished difference Result 117 states and 201 transitions. [2023-11-06 22:54:43,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:54:43,274 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 123 [2023-11-06 22:54:43,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:43,283 INFO L225 Difference]: With dead ends: 117 [2023-11-06 22:54:43,284 INFO L226 Difference]: Without dead ends: 58 [2023-11-06 22:54:43,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 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 22:54:43,292 INFO L413 NwaCegarLoop]: 87 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, 87 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 22:54:43,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:54:43,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-06 22:54:43,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-06 22:54:43,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 22:54:43,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 87 transitions. [2023-11-06 22:54:43,363 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 87 transitions. Word has length 123 [2023-11-06 22:54:43,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:43,364 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 87 transitions. [2023-11-06 22:54:43,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 22:54:43,365 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 87 transitions. [2023-11-06 22:54:43,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-06 22:54:43,368 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:43,369 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:43,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/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 22:54:43,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/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 22:54:43,591 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:43,592 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:43,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1225521275, now seen corresponding path program 1 times [2023-11-06 22:54:43,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:54:43,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [899434675] [2023-11-06 22:54:43,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:43,594 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 22:54:43,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:54:43,595 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/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 22:54:43,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/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 22:54:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:43,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:54:43,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:44,209 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 270 proven. 12 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2023-11-06 22:54:44,209 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:54:44,535 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 42 proven. 12 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-06 22:54:44,535 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:54:44,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [899434675] [2023-11-06 22:54:44,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [899434675] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:54:44,536 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:54:44,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-06 22:54:44,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313904072] [2023-11-06 22:54:44,537 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:54:44,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:54:44,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:54:44,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:54:44,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:54:44,541 INFO L87 Difference]: Start difference. First operand 58 states and 87 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-06 22:54:46,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:54:47,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:47,271 INFO L93 Difference]: Finished difference Result 145 states and 216 transitions. [2023-11-06 22:54:47,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:54:47,273 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 123 [2023-11-06 22:54:47,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:47,277 INFO L225 Difference]: With dead ends: 145 [2023-11-06 22:54:47,277 INFO L226 Difference]: Without dead ends: 90 [2023-11-06 22:54:47,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 238 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:54:47,280 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 125 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:47,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 178 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-06 22:54:47,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-11-06 22:54:47,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 85. [2023-11-06 22:54:47,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 49 states have (on average 1.2244897959183674) internal successors, (60), 50 states have internal predecessors, (60), 33 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 32 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-06 22:54:47,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 126 transitions. [2023-11-06 22:54:47,309 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 126 transitions. Word has length 123 [2023-11-06 22:54:47,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:47,312 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 126 transitions. [2023-11-06 22:54:47,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-06 22:54:47,313 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 126 transitions. [2023-11-06 22:54:47,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-06 22:54:47,320 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:47,321 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:47,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/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)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:47,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/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 22:54:47,540 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:47,540 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:47,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1994426557, now seen corresponding path program 1 times [2023-11-06 22:54:47,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:54:47,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [556747163] [2023-11-06 22:54:47,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:47,542 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 22:54:47,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:54:47,544 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/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 22:54:47,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/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 (4)] Waiting until timeout for monitored process [2023-11-06 22:54:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:47,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:54:47,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:48,593 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:54:48,593 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:54:48,593 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:54:48,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [556747163] [2023-11-06 22:54:48,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [556747163] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:48,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:48,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:54:48,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842367962] [2023-11-06 22:54:48,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:48,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:54:48,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:54:48,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:54:48,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:54:48,597 INFO L87 Difference]: Start difference. First operand 85 states and 126 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:54:50,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:54:53,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:54:53,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:53,103 INFO L93 Difference]: Finished difference Result 203 states and 298 transitions. [2023-11-06 22:54:53,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:54:53,126 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 124 [2023-11-06 22:54:53,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:53,131 INFO L225 Difference]: With dead ends: 203 [2023-11-06 22:54:53,131 INFO L226 Difference]: Without dead ends: 144 [2023-11-06 22:54:53,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 122 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 22:54:53,133 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 20 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:53,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 158 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2023-11-06 22:54:53,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-11-06 22:54:53,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 141. [2023-11-06 22:54:53,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 84 states have (on average 1.2380952380952381) internal successors, (104), 85 states have internal predecessors, (104), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-06 22:54:53,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 208 transitions. [2023-11-06 22:54:53,189 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 208 transitions. Word has length 124 [2023-11-06 22:54:53,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:53,190 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 208 transitions. [2023-11-06 22:54:53,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:54:53,191 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 208 transitions. [2023-11-06 22:54:53,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-06 22:54:53,193 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:53,193 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:53,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/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 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:53,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/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 22:54:53,395 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:53,396 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:53,396 INFO L85 PathProgramCache]: Analyzing trace with hash -219419195, now seen corresponding path program 1 times [2023-11-06 22:54:53,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:54:53,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [796603880] [2023-11-06 22:54:53,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:53,397 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 22:54:53,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:54:53,399 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/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 22:54:53,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/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 (5)] Waiting until timeout for monitored process [2023-11-06 22:54:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:53,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:54:53,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:55:11,799 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 368 proven. 42 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2023-11-06 22:55:11,799 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:55:43,112 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:55:43,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [796603880] [2023-11-06 22:55:43,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [796603880] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:55:43,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [48995589] [2023-11-06 22:55:43,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:43,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:55:43,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:55:43,118 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:55:43,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331094db-1d91-45bb-940e-fb52272570d0/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-06 22:55:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:43,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-06 22:55:44,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:57:23,999 WARN L293 SmtUtils]: Spent 33.19s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-06 22:58:05,881 WARN L293 SmtUtils]: Spent 12.14s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-06 22:58:46,216 WARN L293 SmtUtils]: Spent 11.12s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)