./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-23.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_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/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_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/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_065a9c89-fed5-44c0-9c82-d0037acb54b8/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 d9a4a26779ee984e42e9384b39e93bedd4033278a9c1a1ebdac0e82301018e49 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:10:23,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:10:23,684 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:10:23,689 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:10:23,698 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:10:23,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:10:23,738 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:10:23,739 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:10:23,740 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:10:23,746 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:10:23,747 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:10:23,748 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:10:23,749 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:10:23,750 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:10:23,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:10:23,751 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:10:23,752 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:10:23,752 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:10:23,753 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:10:23,753 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:10:23,754 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:10:23,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:10:23,756 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:10:23,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:10:23,757 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:10:23,758 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:10:23,759 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:10:23,759 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:10:23,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:10:23,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:10:23,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:10:23,762 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:10:23,763 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:10:23,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:10:23,763 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:10:23,764 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:10:23,764 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:10:23,764 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:10:23,765 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:10:23,765 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_065a9c89-fed5-44c0-9c82-d0037acb54b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9a4a26779ee984e42e9384b39e93bedd4033278a9c1a1ebdac0e82301018e49 [2023-11-06 22:10:24,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:10:24,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:10:24,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:10:24,122 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:10:24,123 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:10:24,124 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-23.i [2023-11-06 22:10:27,312 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:10:27,608 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:10:27,611 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-23.i [2023-11-06 22:10:27,622 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/data/569b57ffe/7f24ada97dff48a4b34fe03eb957d915/FLAGa7f9ce9fb [2023-11-06 22:10:27,640 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/data/569b57ffe/7f24ada97dff48a4b34fe03eb957d915 [2023-11-06 22:10:27,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:10:27,648 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:10:27,652 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:10:27,652 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:10:27,658 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:10:27,659 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:10:27" (1/1) ... [2023-11-06 22:10:27,660 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b68ee62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:27, skipping insertion in model container [2023-11-06 22:10:27,660 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:10:27" (1/1) ... [2023-11-06 22:10:27,704 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:10:27,877 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_065a9c89-fed5-44c0-9c82-d0037acb54b8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-23.i[913,926] [2023-11-06 22:10:27,921 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:10:27,935 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:10:27,954 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_065a9c89-fed5-44c0-9c82-d0037acb54b8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-23.i[913,926] [2023-11-06 22:10:27,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:10:27,997 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:10:27,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:27 WrapperNode [2023-11-06 22:10:27,997 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:10:27,999 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:10:27,999 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:10:27,999 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:10:28,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:27" (1/1) ... [2023-11-06 22:10:28,017 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:27" (1/1) ... [2023-11-06 22:10:28,049 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 119 [2023-11-06 22:10:28,049 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:10:28,050 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:10:28,050 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:10:28,050 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:10:28,060 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:27" (1/1) ... [2023-11-06 22:10:28,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:27" (1/1) ... [2023-11-06 22:10:28,065 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:27" (1/1) ... [2023-11-06 22:10:28,066 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:27" (1/1) ... [2023-11-06 22:10:28,073 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:27" (1/1) ... [2023-11-06 22:10:28,077 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:27" (1/1) ... [2023-11-06 22:10:28,079 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:27" (1/1) ... [2023-11-06 22:10:28,081 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:27" (1/1) ... [2023-11-06 22:10:28,084 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:10:28,085 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:10:28,085 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:10:28,085 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:10:28,086 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:27" (1/1) ... [2023-11-06 22:10:28,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:10:28,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:28,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:10:28,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:10:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:10:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:10:28,182 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:10:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:10:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:10:28,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:10:28,267 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:10:28,269 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:10:28,528 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:10:28,535 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:10:28,535 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:10:28,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:10:28 BoogieIcfgContainer [2023-11-06 22:10:28,537 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:10:28,540 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:10:28,541 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:10:28,544 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:10:28,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:10:27" (1/3) ... [2023-11-06 22:10:28,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e01aeb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:10:28, skipping insertion in model container [2023-11-06 22:10:28,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:27" (2/3) ... [2023-11-06 22:10:28,546 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e01aeb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:10:28, skipping insertion in model container [2023-11-06 22:10:28,546 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:10:28" (3/3) ... [2023-11-06 22:10:28,547 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-23.i [2023-11-06 22:10:28,567 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:10:28,568 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:10:28,623 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:10:28,630 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;@2f225d68, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:10:28,630 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:10:28,635 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:10:28,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-06 22:10:28,652 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:28,653 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:10:28,654 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:28,660 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:28,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1570848541, now seen corresponding path program 1 times [2023-11-06 22:10:28,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:28,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806692293] [2023-11-06 22:10:28,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:28,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:28,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:28,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806692293] [2023-11-06 22:10:28,994 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:10:28,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948560921] [2023-11-06 22:10:28,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:28,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:28,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:29,002 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:10:29,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:10:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:29,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:10:29,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:10:29,321 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-11-06 22:10:29,321 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:10:29,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [948560921] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:29,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:29,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:10:29,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749656560] [2023-11-06 22:10:29,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:29,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:10:29,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:29,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:10:29,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:10:29,366 INFO L87 Difference]: Start difference. First operand has 57 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-06 22:10:29,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:29,395 INFO L93 Difference]: Finished difference Result 107 states and 182 transitions. [2023-11-06 22:10:29,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:10:29,397 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2023-11-06 22:10:29,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:29,410 INFO L225 Difference]: With dead ends: 107 [2023-11-06 22:10:29,410 INFO L226 Difference]: Without dead ends: 53 [2023-11-06 22:10:29,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 124 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 22:10:29,423 INFO L413 NwaCegarLoop]: 77 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, 77 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 22:10:29,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:10:29,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-06 22:10:29,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-11-06 22:10:29,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:10:29,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 77 transitions. [2023-11-06 22:10:29,489 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 77 transitions. Word has length 125 [2023-11-06 22:10:29,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:29,490 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 77 transitions. [2023-11-06 22:10:29,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-06 22:10:29,490 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 77 transitions. [2023-11-06 22:10:29,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-06 22:10:29,493 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:29,494 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:10:29,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:10:29,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:10:29,698 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:29,699 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:29,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1680222887, now seen corresponding path program 1 times [2023-11-06 22:10:29,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:29,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93660873] [2023-11-06 22:10:29,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:29,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:29,793 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:10:29,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [275890570] [2023-11-06 22:10:29,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:29,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:29,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:29,796 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:10:29,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:10:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:29,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:10:29,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:10:30,098 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-06 22:10:30,098 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:10:30,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:30,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93660873] [2023-11-06 22:10:30,099 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:10:30,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275890570] [2023-11-06 22:10:30,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275890570] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:30,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:30,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:10:30,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646952090] [2023-11-06 22:10:30,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:30,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:10:30,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:30,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:10:30,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:10:30,109 INFO L87 Difference]: Start difference. First operand 53 states and 77 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:30,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:30,576 INFO L93 Difference]: Finished difference Result 169 states and 239 transitions. [2023-11-06 22:10:30,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 22:10:30,577 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 125 [2023-11-06 22:10:30,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:30,580 INFO L225 Difference]: With dead ends: 169 [2023-11-06 22:10:30,581 INFO L226 Difference]: Without dead ends: 119 [2023-11-06 22:10:30,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2023-11-06 22:10:30,584 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 103 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:30,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 246 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:10:30,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-11-06 22:10:30,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 60. [2023-11-06 22:10:30,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 37 states have internal predecessors, (44), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:10:30,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2023-11-06 22:10:30,609 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 84 transitions. Word has length 125 [2023-11-06 22:10:30,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:30,610 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 84 transitions. [2023-11-06 22:10:30,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:30,611 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2023-11-06 22:10:30,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-06 22:10:30,613 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:30,613 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:10:30,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:10:30,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:30,820 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:30,821 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:30,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1737481189, now seen corresponding path program 1 times [2023-11-06 22:10:30,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:30,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482225562] [2023-11-06 22:10:30,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:30,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:30,928 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:10:30,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1399223872] [2023-11-06 22:10:30,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:30,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:30,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:30,939 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:10:30,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:10:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:10:31,995 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:10:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:10:32,139 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:10:32,139 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:10:32,140 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:10:32,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:10:32,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:32,358 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-06 22:10:32,362 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:10:32,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:10:32 BoogieIcfgContainer [2023-11-06 22:10:32,480 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:10:32,481 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:10:32,484 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:10:32,485 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:10:32,485 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:10:28" (3/4) ... [2023-11-06 22:10:32,487 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:10:32,488 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:10:32,489 INFO L158 Benchmark]: Toolchain (without parser) took 4840.79ms. Allocated memory is still 172.0MB. Free memory was 127.4MB in the beginning and 114.3MB in the end (delta: 13.0MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2023-11-06 22:10:32,490 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:10:32,494 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.90ms. Allocated memory is still 172.0MB. Free memory was 127.4MB in the beginning and 114.7MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:10:32,494 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.70ms. Allocated memory is still 172.0MB. Free memory was 114.7MB in the beginning and 112.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:10:32,498 INFO L158 Benchmark]: Boogie Preprocessor took 34.33ms. Allocated memory is still 172.0MB. Free memory was 112.7MB in the beginning and 111.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:10:32,498 INFO L158 Benchmark]: RCFGBuilder took 452.61ms. Allocated memory is still 172.0MB. Free memory was 111.2MB in the beginning and 95.3MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:10:32,501 INFO L158 Benchmark]: TraceAbstraction took 3940.10ms. Allocated memory is still 172.0MB. Free memory was 95.0MB in the beginning and 114.3MB in the end (delta: -19.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:10:32,505 INFO L158 Benchmark]: Witness Printer took 7.29ms. Allocated memory is still 172.0MB. Free memory is still 114.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:10:32,507 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.90ms. Allocated memory is still 172.0MB. Free memory was 127.4MB in the beginning and 114.7MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.70ms. Allocated memory is still 172.0MB. Free memory was 114.7MB in the beginning and 112.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.33ms. Allocated memory is still 172.0MB. Free memory was 112.7MB in the beginning and 111.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 452.61ms. Allocated memory is still 172.0MB. Free memory was 111.2MB in the beginning and 95.3MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3940.10ms. Allocated memory is still 172.0MB. Free memory was 95.0MB in the beginning and 114.3MB in the end (delta: -19.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.29ms. Allocated memory is still 172.0MB. Free memory is still 114.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 98. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 0; [L23] unsigned long int var_1_2 = 16; [L24] unsigned long int var_1_3 = 64; [L25] unsigned long int var_1_4 = 25; [L26] float var_1_5 = 1.2; [L27] float var_1_6 = 999.7; [L28] float var_1_7 = 1.4; [L29] float var_1_8 = 9.75; [L30] float var_1_9 = 1.75; [L31] unsigned long int var_1_10 = 16; [L32] unsigned long int var_1_11 = 1277342739; [L33] unsigned long int var_1_12 = 1394088949; [L34] unsigned long int var_1_13 = 0; [L35] unsigned char var_1_14 = 0; [L36] unsigned char var_1_17 = 0; [L37] unsigned char var_1_18 = 0; [L38] unsigned char var_1_19 = 0; VAL [isInitial=0, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=16, var_1_3=64, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L102] isInitial = 1 [L103] FCALL initially() [L104] COND TRUE 1 [L105] FCALL updateLastVariables() [L106] CALL updateVariables() [L62] var_1_2 = __VERIFIER_nondet_ulong() [L63] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_3=64, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_3=64, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L63] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_3=64, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L64] CALL assume_abort_if_not(var_1_2 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=64, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=64, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L64] RET assume_abort_if_not(var_1_2 <= 4294967294) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=64, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L65] var_1_3 = __VERIFIER_nondet_ulong() [L66] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L66] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L67] CALL assume_abort_if_not(var_1_3 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L67] RET assume_abort_if_not(var_1_3 <= 4294967294) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L68] var_1_5 = __VERIFIER_nondet_float() [L69] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L69] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L70] var_1_6 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L71] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L72] CALL assume_abort_if_not(var_1_6 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L72] RET assume_abort_if_not(var_1_6 != 0.0F) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L73] var_1_7 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=39/4, var_1_9=7/4] [L74] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=39/4, var_1_9=7/4] [L75] var_1_8 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=7/4] [L76] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=7/4] [L77] var_1_9 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L78] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L79] var_1_11 = __VERIFIER_nondet_ulong() [L80] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L80] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L81] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L81] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L82] var_1_12 = __VERIFIER_nondet_ulong() [L83] CALL assume_abort_if_not(var_1_12 >= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1073741824, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1073741824, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L83] RET assume_abort_if_not(var_1_12 >= 1073741824) VAL [isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1073741824, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L84] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1073741824, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1073741824, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L84] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1073741824, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L85] var_1_13 = __VERIFIER_nondet_ulong() [L86] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1073741824, var_1_13=2147483647, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1073741824, var_1_13=2147483647, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L86] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1073741824, var_1_13=2147483647, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L87] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1073741824, var_1_13=2147483647, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1073741824, var_1_13=2147483647, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L87] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1073741824, var_1_13=2147483647, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L88] var_1_17 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1073741824, var_1_13=2147483647, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1073741824, var_1_13=2147483647, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L89] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1073741824, var_1_13=2147483647, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L90] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1073741824, var_1_13=2147483647, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1073741824, var_1_13=2147483647, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L90] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1073741824, var_1_13=2147483647, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L91] var_1_19 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1073741824, var_1_13=2147483647, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1073741824, var_1_13=2147483647, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L92] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1073741824, var_1_13=2147483647, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L93] CALL assume_abort_if_not(var_1_19 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1073741824, var_1_13=2147483647, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1073741824, var_1_13=2147483647, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L93] RET assume_abort_if_not(var_1_19 <= 0) VAL [isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1073741824, var_1_13=2147483647, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L106] RET updateVariables() [L107] CALL step() [L42] var_1_1 = ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) VAL [isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1073741824, var_1_13=2147483647, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L43] COND TRUE (var_1_5 / var_1_6) <= (var_1_7 + (var_1_8 - var_1_9)) [L44] var_1_4 = ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) VAL [isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1073741824, var_1_13=2147483647, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L46] var_1_10 = ((((var_1_2) > (((var_1_11 + var_1_12) - var_1_13))) ? (var_1_2) : (((var_1_11 + var_1_12) - var_1_13)))) [L47] unsigned char stepLocal_0 = (- var_1_5) != 1.9f; VAL [isInitial=1, stepLocal_0=0, var_1_10=0, var_1_11=1073741823, var_1_12=1073741824, var_1_13=2147483647, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L48] COND FALSE !(stepLocal_0 || ((var_1_4 * var_1_13) < var_1_3)) [L51] var_1_18 = var_1_19 VAL [isInitial=1, stepLocal_0=0, var_1_10=0, var_1_11=1073741823, var_1_12=1073741824, var_1_13=2147483647, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L53] COND FALSE !(\read(var_1_18)) VAL [isInitial=1, stepLocal_0=0, var_1_10=0, var_1_11=1073741823, var_1_12=1073741824, var_1_13=2147483647, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L107] RET step() [L108] CALL, EXPR property() [L98-L99] return ((((var_1_1 == ((unsigned long int) ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))))) && (((var_1_5 / var_1_6) <= (var_1_7 + (var_1_8 - var_1_9))) ? (var_1_4 == ((unsigned long int) ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))))) : 1)) && (var_1_10 == ((unsigned long int) ((((var_1_2) > (((var_1_11 + var_1_12) - var_1_13))) ? (var_1_2) : (((var_1_11 + var_1_12) - var_1_13))))))) && (var_1_18 ? ((! ((var_1_5 / var_1_6) < (var_1_8 - var_1_9))) ? (var_1_18 ? (var_1_14 == ((unsigned char) (! var_1_17))) : 1) : 1) : 1)) && ((((- var_1_5) != 1.9f) || ((var_1_4 * var_1_13) < var_1_3)) ? (var_1_18 == ((unsigned char) (! var_1_19))) : (var_1_18 == ((unsigned char) var_1_19))) ; VAL [\result=0, isInitial=1, var_1_10=0, var_1_11=1073741823, var_1_12=1073741824, var_1_13=2147483647, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L108] RET, EXPR property() [L108] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=1073741823, var_1_12=1073741824, var_1_13=2147483647, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=1073741823, var_1_12=1073741824, var_1_13=2147483647, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=5, var_1_9=6] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 3, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 123 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 103 mSDsluCounter, 323 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 153 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 262 IncrementalHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 170 mSDtfsCounter, 262 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 260 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=2, InterpolantAutomatonStates: 19, 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, 2 MinimizatonAttempts, 59 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 500 NumberOfCodeBlocks, 500 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 274 SizeOfPredicates, 2 NumberOfNonLiveVariables, 582 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1520/1520 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 22:10:32,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/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_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/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_065a9c89-fed5-44c0-9c82-d0037acb54b8/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 d9a4a26779ee984e42e9384b39e93bedd4033278a9c1a1ebdac0e82301018e49 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:10:35,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:10:35,194 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:10:35,200 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:10:35,201 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:10:35,229 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:10:35,230 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:10:35,231 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:10:35,232 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:10:35,232 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:10:35,233 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:10:35,234 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:10:35,234 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:10:35,235 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:10:35,236 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:10:35,236 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:10:35,237 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:10:35,237 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:10:35,238 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:10:35,238 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:10:35,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:10:35,240 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:10:35,240 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:10:35,241 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:10:35,241 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:10:35,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:10:35,242 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:10:35,243 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:10:35,243 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:10:35,243 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:10:35,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:10:35,244 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:10:35,245 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:10:35,245 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:10:35,245 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:10:35,246 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:10:35,246 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:10:35,246 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:10:35,246 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:10:35,247 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:10:35,247 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:10:35,247 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:10:35,248 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_065a9c89-fed5-44c0-9c82-d0037acb54b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9a4a26779ee984e42e9384b39e93bedd4033278a9c1a1ebdac0e82301018e49 [2023-11-06 22:10:35,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:10:35,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:10:35,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:10:35,710 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:10:35,711 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:10:35,712 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-23.i [2023-11-06 22:10:38,868 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:10:39,166 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:10:39,167 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-23.i [2023-11-06 22:10:39,177 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/data/5d624cad3/c091ba114b164d8fbc2f8482572b9515/FLAG5976d3ddb [2023-11-06 22:10:39,194 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/data/5d624cad3/c091ba114b164d8fbc2f8482572b9515 [2023-11-06 22:10:39,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:10:39,206 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:10:39,207 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:10:39,207 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:10:39,220 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:10:39,221 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:10:39" (1/1) ... [2023-11-06 22:10:39,222 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bf02608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:39, skipping insertion in model container [2023-11-06 22:10:39,222 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:10:39" (1/1) ... [2023-11-06 22:10:39,269 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:10:39,415 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_065a9c89-fed5-44c0-9c82-d0037acb54b8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-23.i[913,926] [2023-11-06 22:10:39,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:10:39,498 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:10:39,520 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_065a9c89-fed5-44c0-9c82-d0037acb54b8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-23.i[913,926] [2023-11-06 22:10:39,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:10:39,588 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:10:39,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:39 WrapperNode [2023-11-06 22:10:39,589 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:10:39,590 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:10:39,590 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:10:39,591 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:10:39,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:39" (1/1) ... [2023-11-06 22:10:39,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:39" (1/1) ... [2023-11-06 22:10:39,670 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 119 [2023-11-06 22:10:39,672 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:10:39,673 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:10:39,673 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:10:39,673 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:10:39,683 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:39" (1/1) ... [2023-11-06 22:10:39,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:39" (1/1) ... [2023-11-06 22:10:39,708 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:39" (1/1) ... [2023-11-06 22:10:39,708 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:39" (1/1) ... [2023-11-06 22:10:39,718 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:39" (1/1) ... [2023-11-06 22:10:39,732 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:39" (1/1) ... [2023-11-06 22:10:39,734 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:39" (1/1) ... [2023-11-06 22:10:39,747 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:39" (1/1) ... [2023-11-06 22:10:39,751 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:10:39,752 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:10:39,752 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:10:39,752 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:10:39,753 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:39" (1/1) ... [2023-11-06 22:10:39,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:10:39,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:39,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:10:39,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:10:39,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:10:39,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:10:39,916 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:10:39,916 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:10:39,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:10:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:10:40,038 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:10:40,040 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:10:49,849 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:10:49,856 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:10:49,856 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:10:49,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:10:49 BoogieIcfgContainer [2023-11-06 22:10:49,859 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:10:49,861 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:10:49,861 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:10:49,865 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:10:49,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:10:39" (1/3) ... [2023-11-06 22:10:49,866 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7343b54a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:10:49, skipping insertion in model container [2023-11-06 22:10:49,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:39" (2/3) ... [2023-11-06 22:10:49,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7343b54a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:10:49, skipping insertion in model container [2023-11-06 22:10:49,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:10:49" (3/3) ... [2023-11-06 22:10:49,868 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-23.i [2023-11-06 22:10:49,885 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:10:49,886 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:10:49,937 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:10:49,944 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;@7e0c0ab7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:10:49,944 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:10:49,950 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:10:49,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-06 22:10:49,970 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:49,973 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:10:49,975 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:49,983 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:49,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1570848541, now seen corresponding path program 1 times [2023-11-06 22:10:50,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:10:50,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1111200908] [2023-11-06 22:10:50,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:50,002 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 22:10:50,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:10:50,014 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/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 22:10:50,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/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 22:10:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:50,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:10:50,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:10:50,865 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2023-11-06 22:10:50,865 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:10:50,866 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:10:50,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1111200908] [2023-11-06 22:10:50,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1111200908] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:50,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:50,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:10:50,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25919882] [2023-11-06 22:10:50,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:50,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:10:50,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:10:50,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:10:50,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:10:50,920 INFO L87 Difference]: Start difference. First operand has 57 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-06 22:10:50,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:50,959 INFO L93 Difference]: Finished difference Result 107 states and 182 transitions. [2023-11-06 22:10:50,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:10:50,962 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2023-11-06 22:10:50,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:50,973 INFO L225 Difference]: With dead ends: 107 [2023-11-06 22:10:50,973 INFO L226 Difference]: Without dead ends: 53 [2023-11-06 22:10:50,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 124 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 22:10:50,985 INFO L413 NwaCegarLoop]: 77 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, 77 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 22:10:50,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:10:51,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-06 22:10:51,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-11-06 22:10:51,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:10:51,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 77 transitions. [2023-11-06 22:10:51,044 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 77 transitions. Word has length 125 [2023-11-06 22:10:51,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:51,045 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 77 transitions. [2023-11-06 22:10:51,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-06 22:10:51,045 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 77 transitions. [2023-11-06 22:10:51,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-06 22:10:51,049 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:51,049 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:10:51,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/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 22:10:51,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/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 22:10:51,250 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:51,251 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:51,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1680222887, now seen corresponding path program 1 times [2023-11-06 22:10:51,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:10:51,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [873793369] [2023-11-06 22:10:51,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:51,253 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 22:10:51,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:10:51,255 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/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 22:10:51,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/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 22:10:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:51,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:10:51,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:10:52,049 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-06 22:10:52,049 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:10:52,050 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:10:52,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [873793369] [2023-11-06 22:10:52,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [873793369] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:52,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:52,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:10:52,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346513740] [2023-11-06 22:10:52,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:52,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:10:52,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:10:52,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:10:52,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:10:52,055 INFO L87 Difference]: Start difference. First operand 53 states and 77 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:54,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:10:56,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:10:58,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:11:00,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:11:01,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:11:01,678 INFO L93 Difference]: Finished difference Result 169 states and 239 transitions. [2023-11-06 22:11:01,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 22:11:01,681 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 125 [2023-11-06 22:11:01,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:11:01,685 INFO L225 Difference]: With dead ends: 169 [2023-11-06 22:11:01,685 INFO L226 Difference]: Without dead ends: 119 [2023-11-06 22:11:01,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2023-11-06 22:11:01,688 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 103 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 42 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:11:01,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 244 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 261 Invalid, 3 Unknown, 0 Unchecked, 9.2s Time] [2023-11-06 22:11:01,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-11-06 22:11:01,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 60. [2023-11-06 22:11:01,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 37 states have internal predecessors, (44), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:11:01,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2023-11-06 22:11:01,721 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 84 transitions. Word has length 125 [2023-11-06 22:11:01,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:11:01,723 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 84 transitions. [2023-11-06 22:11:01,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:11:01,723 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2023-11-06 22:11:01,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-06 22:11:01,733 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:11:01,734 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:11:01,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/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)] Ended with exit code 0 [2023-11-06 22:11:01,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/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 22:11:01,946 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:11:01,947 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:11:01,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1737481189, now seen corresponding path program 1 times [2023-11-06 22:11:01,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:11:01,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1823859286] [2023-11-06 22:11:01,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:01,949 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 22:11:01,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:11:01,950 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/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 22:11:01,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a9c89-fed5-44c0-9c82-d0037acb54b8/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-06 22:11:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:02,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-06 22:11:02,493 INFO L285 TraceCheckSpWp]: Computing forward predicates...