./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-80.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/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_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/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_891fba4a-6991-452b-b809-b862b69d6e3f/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 1afef333d2d5ce937d4e371f5893af89013ff82bbfaa9da10d02f3a397c05cb5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:54:19,817 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:54:19,920 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:54:19,927 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:54:19,928 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:54:19,970 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:54:19,971 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:54:19,972 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:54:19,972 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:54:19,977 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:54:19,979 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:54:19,979 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:54:19,980 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:54:19,981 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:54:19,982 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:54:19,982 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:54:19,983 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:54:19,983 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:54:19,984 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:54:19,984 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:54:19,985 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:54:19,985 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:54:19,986 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:54:19,986 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:54:19,987 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:54:19,988 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:54:19,988 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:54:19,989 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:54:19,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:54:19,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:54:19,991 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:54:19,991 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:54:19,991 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:54:19,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:54:19,992 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:54:19,992 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:54:19,993 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:54:19,993 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:54:19,993 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:54:19,994 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_891fba4a-6991-452b-b809-b862b69d6e3f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1afef333d2d5ce937d4e371f5893af89013ff82bbfaa9da10d02f3a397c05cb5 [2023-11-06 22:54:20,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:54:20,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:54:20,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:54:20,365 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:54:20,366 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:54:20,367 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-80.i [2023-11-06 22:54:23,352 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:54:23,679 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:54:23,680 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-80.i [2023-11-06 22:54:23,703 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/data/8f36f6831/3e07f96726fd43f5a0b3f84b7f8d83ff/FLAG79a134829 [2023-11-06 22:54:23,721 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/data/8f36f6831/3e07f96726fd43f5a0b3f84b7f8d83ff [2023-11-06 22:54:23,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:54:23,728 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:54:23,734 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:54:23,734 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:54:23,739 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:54:23,740 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:54:23" (1/1) ... [2023-11-06 22:54:23,741 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@512cca6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:23, skipping insertion in model container [2023-11-06 22:54:23,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:54:23" (1/1) ... [2023-11-06 22:54:23,786 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:54:23,957 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_891fba4a-6991-452b-b809-b862b69d6e3f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-80.i[913,926] [2023-11-06 22:54:24,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:54:24,020 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:54:24,033 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_891fba4a-6991-452b-b809-b862b69d6e3f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-80.i[913,926] [2023-11-06 22:54:24,062 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:54:24,080 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:54:24,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:24 WrapperNode [2023-11-06 22:54:24,080 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:54:24,082 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:54:24,082 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:54:24,082 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:54:24,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:24" (1/1) ... [2023-11-06 22:54:24,100 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:24" (1/1) ... [2023-11-06 22:54:24,131 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2023-11-06 22:54:24,132 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:54:24,133 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:54:24,133 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:54:24,133 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:54:24,143 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:24" (1/1) ... [2023-11-06 22:54:24,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:24" (1/1) ... [2023-11-06 22:54:24,147 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:24" (1/1) ... [2023-11-06 22:54:24,148 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:24" (1/1) ... [2023-11-06 22:54:24,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:24" (1/1) ... [2023-11-06 22:54:24,159 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:24" (1/1) ... [2023-11-06 22:54:24,162 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:24" (1/1) ... [2023-11-06 22:54:24,164 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:24" (1/1) ... [2023-11-06 22:54:24,167 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:54:24,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:54:24,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:54:24,168 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:54:24,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:24" (1/1) ... [2023-11-06 22:54:24,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:54:24,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:24,203 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:24,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:54:24,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:54:24,243 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:54:24,243 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:54:24,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:54:24,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:54:24,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:54:24,324 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:54:24,325 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:54:24,732 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:54:24,744 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:54:24,746 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:54:24,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:24 BoogieIcfgContainer [2023-11-06 22:54:24,749 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:54:24,753 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:54:24,753 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:54:24,764 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:54:24,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:54:23" (1/3) ... [2023-11-06 22:54:24,765 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72583c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:54:24, skipping insertion in model container [2023-11-06 22:54:24,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:24" (2/3) ... [2023-11-06 22:54:24,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72583c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:54:24, skipping insertion in model container [2023-11-06 22:54:24,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:24" (3/3) ... [2023-11-06 22:54:24,768 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-80.i [2023-11-06 22:54:24,788 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:54:24,788 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:54:24,848 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:54:24,854 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;@399a5f35, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:54:24,855 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:54:24,859 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-06 22:54:24,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-06 22:54:24,878 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:24,880 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:24,881 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:24,890 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:24,891 INFO L85 PathProgramCache]: Analyzing trace with hash -241923401, now seen corresponding path program 1 times [2023-11-06 22:54:24,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:24,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393437583] [2023-11-06 22:54:24,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:24,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:25,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:25,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393437583] [2023-11-06 22:54:25,246 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:54:25,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838461157] [2023-11-06 22:54:25,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:25,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:54:25,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:25,279 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:54:25,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:54:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:25,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:54:25,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:25,566 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2023-11-06 22:54:25,567 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:54:25,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838461157] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:25,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:25,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:54:25,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472014160] [2023-11-06 22:54:25,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:25,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:54:25,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:25,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:54:25,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:54:25,627 INFO L87 Difference]: Start difference. First operand has 51 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-06 22:54:25,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:25,656 INFO L93 Difference]: Finished difference Result 95 states and 157 transitions. [2023-11-06 22:54:25,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:54:25,658 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 109 [2023-11-06 22:54:25,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:25,667 INFO L225 Difference]: With dead ends: 95 [2023-11-06 22:54:25,667 INFO L226 Difference]: Without dead ends: 47 [2023-11-06 22:54:25,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 108 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 22:54:25,677 INFO L413 NwaCegarLoop]: 66 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, 66 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 22:54:25,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:54:25,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-06 22:54:25,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-11-06 22:54:25,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-06 22:54:25,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 66 transitions. [2023-11-06 22:54:25,753 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 66 transitions. Word has length 109 [2023-11-06 22:54:25,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:25,754 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 66 transitions. [2023-11-06 22:54:25,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-06 22:54:25,755 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 66 transitions. [2023-11-06 22:54:25,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-06 22:54:25,759 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:25,759 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:25,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:25,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:54:25,966 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:25,967 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:25,967 INFO L85 PathProgramCache]: Analyzing trace with hash 985876905, now seen corresponding path program 1 times [2023-11-06 22:54:25,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:25,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750933163] [2023-11-06 22:54:25,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:25,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:26,087 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:54:26,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1049442767] [2023-11-06 22:54:26,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:26,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:54:26,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:26,098 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:54:26,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:54:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:26,436 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:54:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:26,612 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:54:26,613 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:54:26,614 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:54:26,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:26,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:54:26,825 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 22:54:26,828 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:54:26,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:54:26 BoogieIcfgContainer [2023-11-06 22:54:26,961 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:54:26,963 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:54:26,963 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:54:26,963 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:54:26,964 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:24" (3/4) ... [2023-11-06 22:54:26,966 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:54:26,967 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:54:26,971 INFO L158 Benchmark]: Toolchain (without parser) took 3239.65ms. Allocated memory was 138.4MB in the beginning and 211.8MB in the end (delta: 73.4MB). Free memory was 106.0MB in the beginning and 128.2MB in the end (delta: -22.2MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2023-11-06 22:54:26,972 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 138.4MB. Free memory is still 113.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:54:26,973 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.29ms. Allocated memory is still 138.4MB. Free memory was 105.6MB in the beginning and 92.7MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:54:26,976 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.45ms. Allocated memory is still 138.4MB. Free memory was 92.7MB in the beginning and 89.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:54:26,977 INFO L158 Benchmark]: Boogie Preprocessor took 34.70ms. Allocated memory is still 138.4MB. Free memory was 89.8MB in the beginning and 88.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:54:26,978 INFO L158 Benchmark]: RCFGBuilder took 582.55ms. Allocated memory is still 138.4MB. Free memory was 88.1MB in the beginning and 71.9MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:54:26,978 INFO L158 Benchmark]: TraceAbstraction took 2208.20ms. Allocated memory was 138.4MB in the beginning and 211.8MB in the end (delta: 73.4MB). Free memory was 70.9MB in the beginning and 129.2MB in the end (delta: -58.3MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2023-11-06 22:54:26,984 INFO L158 Benchmark]: Witness Printer took 4.89ms. Allocated memory is still 211.8MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:54:26,986 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 138.4MB. Free memory is still 113.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.29ms. Allocated memory is still 138.4MB. Free memory was 105.6MB in the beginning and 92.7MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.45ms. Allocated memory is still 138.4MB. Free memory was 92.7MB in the beginning and 89.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.70ms. Allocated memory is still 138.4MB. Free memory was 89.8MB in the beginning and 88.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 582.55ms. Allocated memory is still 138.4MB. Free memory was 88.1MB in the beginning and 71.9MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2208.20ms. Allocated memory was 138.4MB in the beginning and 211.8MB in the end (delta: 73.4MB). Free memory was 70.9MB in the beginning and 129.2MB in the end (delta: -58.3MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * Witness Printer took 4.89ms. Allocated memory is still 211.8MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 94. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 256; [L23] signed long int var_1_8 = 128; [L24] signed short int var_1_9 = -1; [L25] signed short int var_1_10 = 1; [L26] signed char var_1_12 = 0; [L27] unsigned char var_1_13 = 1; [L28] signed char var_1_14 = 2; [L29] double var_1_15 = 1.8; [L30] double var_1_16 = 25.8; [L31] double var_1_17 = 5.5; [L32] double var_1_18 = 4.3; [L33] double var_1_19 = 500.7; [L34] double var_1_20 = 127.5; [L35] double var_1_21 = 1.5; [L36] double var_1_22 = 99.84; [L37] unsigned short int var_1_23 = 4; [L38] signed char var_1_24 = -64; VAL [isInitial=0, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=128, var_1_9=-1] [L98] isInitial = 1 [L99] FCALL initially() [L100] COND TRUE 1 [L101] FCALL updateLastVariables() [L102] CALL updateVariables() [L62] var_1_8 = __VERIFIER_nondet_long() [L63] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L63] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L64] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L64] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L65] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L65] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L66] var_1_9 = __VERIFIER_nondet_short() [L67] CALL assume_abort_if_not(var_1_9 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L67] RET assume_abort_if_not(var_1_9 >= -1) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L68] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L68] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L69] var_1_10 = __VERIFIER_nondet_short() [L70] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L70] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L71] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L71] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L72] var_1_13 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L73] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L74] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L74] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L75] var_1_14 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L76] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L77] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L77] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L78] var_1_16 = __VERIFIER_nondet_double() [L79] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=7, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=7, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L79] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=7, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L80] var_1_17 = __VERIFIER_nondet_double() [L81] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=7, var_1_17=2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=7, var_1_17=2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L81] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=7, var_1_17=2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L82] var_1_18 = __VERIFIER_nondet_double() [L83] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=7, var_1_17=2, var_1_18=3, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=7, var_1_17=2, var_1_18=3, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L83] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=7, var_1_17=2, var_1_18=3, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L84] var_1_19 = __VERIFIER_nondet_double() [L85] CALL assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=7, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=7, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L85] RET assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=7, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L86] var_1_20 = __VERIFIER_nondet_double() [L87] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=7, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=256, var_1_20=5, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=7, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=256, var_1_20=5, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L87] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=7, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=256, var_1_20=5, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L88] var_1_21 = __VERIFIER_nondet_double() [L89] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=7, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=256, var_1_20=5, var_1_21=6, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=7, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=256, var_1_20=5, var_1_21=6, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L89] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=7, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=256, var_1_20=5, var_1_21=6, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L102] RET updateVariables() [L103] CALL step() [L42] var_1_22 = var_1_19 [L43] var_1_23 = var_1_10 [L44] var_1_24 = var_1_14 [L45] unsigned char stepLocal_0 = var_1_23 <= var_1_24; VAL [isInitial=1, stepLocal_0=0, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=7, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=256, var_1_20=5, var_1_21=6, var_1_22=4, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=1] [L46] COND FALSE !(var_1_13 || stepLocal_0) [L49] var_1_12 = var_1_14 VAL [isInitial=1, stepLocal_0=0, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=7, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=256, var_1_20=5, var_1_21=6, var_1_22=4, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=1] [L51] signed short int stepLocal_1 = var_1_10; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=7, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=256, var_1_20=5, var_1_21=6, var_1_22=4, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=1] [L52] COND TRUE stepLocal_1 <= (var_1_23 / var_1_8) [L53] var_1_15 = ((((((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) < (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19))))) ? (((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) : (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19)))))) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=7, var_1_16=7, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=256, var_1_20=5, var_1_21=6, var_1_22=4, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=1] [L57] COND TRUE (((((var_1_23 - var_1_23)) > (var_1_12)) ? ((var_1_23 - var_1_23)) : (var_1_12))) <= (((((var_1_23 - var_1_23)) < ((var_1_24 % var_1_8))) ? ((var_1_23 - var_1_23)) : ((var_1_24 % var_1_8)))) [L58] var_1_1 = (((((var_1_9 - var_1_10)) < (var_1_12)) ? ((var_1_9 - var_1_10)) : (var_1_12))) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=7, var_1_16=7, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=0, var_1_20=5, var_1_21=6, var_1_22=4, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=1] [L103] RET step() [L104] CALL, EXPR property() [L94-L95] return (((((((((((var_1_23 - var_1_23)) > (var_1_12)) ? ((var_1_23 - var_1_23)) : (var_1_12))) <= (((((var_1_23 - var_1_23)) < ((var_1_24 % var_1_8))) ? ((var_1_23 - var_1_23)) : ((var_1_24 % var_1_8))))) ? (var_1_1 == ((signed short int) (((((var_1_9 - var_1_10)) < (var_1_12)) ? ((var_1_9 - var_1_10)) : (var_1_12))))) : 1) && ((var_1_13 || (var_1_23 <= var_1_24)) ? (var_1_12 == ((signed char) ((((1 - var_1_14) < 0 ) ? -(1 - var_1_14) : (1 - var_1_14))))) : (var_1_12 == ((signed char) var_1_14)))) && ((var_1_10 <= (var_1_23 / var_1_8)) ? (var_1_15 == ((double) ((((((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) < (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19))))) ? (((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) : (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19)))))))) : (var_1_15 == ((double) (var_1_20 - var_1_21))))) && (var_1_22 == ((double) var_1_19))) && (var_1_23 == ((unsigned short int) var_1_10))) && (var_1_24 == ((signed char) var_1_14)) ; VAL [\result=0, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=7, var_1_16=7, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=0, var_1_20=5, var_1_21=6, var_1_22=4, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=1] [L104] RET, EXPR property() [L104] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=7, var_1_16=7, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=0, var_1_20=5, var_1_21=6, var_1_22=4, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=7, var_1_16=7, var_1_17=2, var_1_18=3, var_1_19=4, var_1_1=0, var_1_20=5, var_1_21=6, var_1_22=4, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 2, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 66 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 327 NumberOfCodeBlocks, 327 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 108 SizeOfPredicates, 0 NumberOfNonLiveVariables, 277 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 544/544 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 22:54:27,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/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_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/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_891fba4a-6991-452b-b809-b862b69d6e3f/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 1afef333d2d5ce937d4e371f5893af89013ff82bbfaa9da10d02f3a397c05cb5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:54:29,768 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:54:29,907 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:54:29,916 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:54:29,917 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:54:29,960 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:54:29,961 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:54:29,962 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:54:29,963 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:54:29,966 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:54:29,967 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:54:29,968 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:54:29,968 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:54:29,971 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:54:29,971 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:54:29,971 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:54:29,972 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:54:29,972 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:54:29,973 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:54:29,974 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:54:29,974 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:54:29,975 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:54:29,975 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:54:29,976 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:54:29,976 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:54:29,977 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:54:29,977 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:54:29,978 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:54:29,978 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:54:29,978 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:54:29,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:54:29,980 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:54:29,980 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:54:29,981 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:54:29,981 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:54:29,981 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:54:29,982 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:54:29,982 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:54:29,982 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:54:29,983 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:54:29,984 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:54:29,984 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:54:29,984 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_891fba4a-6991-452b-b809-b862b69d6e3f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1afef333d2d5ce937d4e371f5893af89013ff82bbfaa9da10d02f3a397c05cb5 [2023-11-06 22:54:30,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:54:30,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:54:30,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:54:30,470 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:54:30,471 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:54:30,472 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-80.i [2023-11-06 22:54:33,570 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:54:33,873 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:54:33,873 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-80.i [2023-11-06 22:54:33,889 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/data/df8318d00/6c966db6d9c543b0b86331ac01c36959/FLAG4d2b85e15 [2023-11-06 22:54:33,905 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/data/df8318d00/6c966db6d9c543b0b86331ac01c36959 [2023-11-06 22:54:33,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:54:33,912 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:54:33,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:54:33,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:54:33,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:54:33,921 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:54:33" (1/1) ... [2023-11-06 22:54:33,922 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fd7a2ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:33, skipping insertion in model container [2023-11-06 22:54:33,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:54:33" (1/1) ... [2023-11-06 22:54:33,969 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:54:34,144 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_891fba4a-6991-452b-b809-b862b69d6e3f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-80.i[913,926] [2023-11-06 22:54:34,225 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:54:34,254 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:54:34,276 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_891fba4a-6991-452b-b809-b862b69d6e3f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-80.i[913,926] [2023-11-06 22:54:34,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:54:34,339 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:54:34,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:34 WrapperNode [2023-11-06 22:54:34,339 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:54:34,341 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:54:34,341 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:54:34,341 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:54:34,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:34" (1/1) ... [2023-11-06 22:54:34,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:34" (1/1) ... [2023-11-06 22:54:34,399 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2023-11-06 22:54:34,400 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:54:34,400 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:54:34,401 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:54:34,401 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:54:34,410 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:34" (1/1) ... [2023-11-06 22:54:34,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:34" (1/1) ... [2023-11-06 22:54:34,436 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:34" (1/1) ... [2023-11-06 22:54:34,437 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:34" (1/1) ... [2023-11-06 22:54:34,461 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:34" (1/1) ... [2023-11-06 22:54:34,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:34" (1/1) ... [2023-11-06 22:54:34,467 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:34" (1/1) ... [2023-11-06 22:54:34,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:34" (1/1) ... [2023-11-06 22:54:34,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:54:34,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:54:34,477 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:54:34,492 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:54:34,493 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:34" (1/1) ... [2023-11-06 22:54:34,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:54:34,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:34,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:34,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:54:34,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:54:34,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:54:34,564 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:54:34,565 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:54:34,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:54:34,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:54:34,658 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:54:34,660 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:54:35,469 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:54:35,476 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:54:35,477 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:54:35,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:35 BoogieIcfgContainer [2023-11-06 22:54:35,479 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:54:35,482 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:54:35,482 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:54:35,486 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:54:35,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:54:33" (1/3) ... [2023-11-06 22:54:35,487 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10ac3b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:54:35, skipping insertion in model container [2023-11-06 22:54:35,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:34" (2/3) ... [2023-11-06 22:54:35,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10ac3b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:54:35, skipping insertion in model container [2023-11-06 22:54:35,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:35" (3/3) ... [2023-11-06 22:54:35,489 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-80.i [2023-11-06 22:54:35,506 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:54:35,506 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:54:35,555 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:54:35,562 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;@2ab73a12, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:54:35,562 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:54:35,566 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-06 22:54:35,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-06 22:54:35,581 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:35,582 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:35,583 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:35,588 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:35,589 INFO L85 PathProgramCache]: Analyzing trace with hash -241923401, now seen corresponding path program 1 times [2023-11-06 22:54:35,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:54:35,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1596639480] [2023-11-06 22:54:35,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:35,609 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 22:54:35,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:54:35,616 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/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 22:54:35,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/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 22:54:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:36,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:54:36,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:36,231 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2023-11-06 22:54:36,232 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:54:36,232 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:54:36,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1596639480] [2023-11-06 22:54:36,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1596639480] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:36,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:36,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:54:36,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250838482] [2023-11-06 22:54:36,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:36,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:54:36,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:54:36,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:54:36,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:54:36,289 INFO L87 Difference]: Start difference. First operand has 51 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-06 22:54:36,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:36,336 INFO L93 Difference]: Finished difference Result 95 states and 157 transitions. [2023-11-06 22:54:36,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:54:36,339 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 109 [2023-11-06 22:54:36,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:36,347 INFO L225 Difference]: With dead ends: 95 [2023-11-06 22:54:36,347 INFO L226 Difference]: Without dead ends: 47 [2023-11-06 22:54:36,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 108 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 22:54:36,356 INFO L413 NwaCegarLoop]: 66 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, 66 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 22:54:36,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:54:36,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-06 22:54:36,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-11-06 22:54:36,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-06 22:54:36,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 66 transitions. [2023-11-06 22:54:36,420 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 66 transitions. Word has length 109 [2023-11-06 22:54:36,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:36,421 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 66 transitions. [2023-11-06 22:54:36,421 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-06 22:54:36,422 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 66 transitions. [2023-11-06 22:54:36,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-06 22:54:36,425 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:36,425 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:36,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/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 22:54:36,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/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 22:54:36,644 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:36,644 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:36,645 INFO L85 PathProgramCache]: Analyzing trace with hash 985876905, now seen corresponding path program 1 times [2023-11-06 22:54:36,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:54:36,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1384195179] [2023-11-06 22:54:36,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:36,647 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 22:54:36,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:54:36,648 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/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 22:54:36,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_891fba4a-6991-452b-b809-b862b69d6e3f/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 22:54:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:37,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-06 22:54:37,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:55:07,908 WARN L293 SmtUtils]: Spent 5.43s on a formula simplification. DAG size of input: 127 DAG size of output: 125 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)