./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-68.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/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_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/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_f305cefc-876a-4ff7-a3c7-66ccaa82f898/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 59f9b6dc260e19b867852db23250c8f2678f4f2ad196a31f4b91ae3706156d51 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:20:49,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:20:49,378 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:20:49,386 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:20:49,388 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:20:49,426 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:20:49,427 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:20:49,427 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:20:49,428 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:20:49,433 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:20:49,435 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:20:49,436 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:20:49,436 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:20:49,438 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:20:49,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:20:49,439 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:20:49,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:20:49,440 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:20:49,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:20:49,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:20:49,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:20:49,442 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:20:49,442 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:20:49,443 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:20:49,443 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:20:49,444 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:20:49,444 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:20:49,445 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:20:49,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:20:49,446 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:20:49,447 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:20:49,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:20:49,448 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:20:49,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:20:49,448 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:20:49,448 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:20:49,449 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:20:49,449 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:20:49,449 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:20:49,449 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_f305cefc-876a-4ff7-a3c7-66ccaa82f898/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59f9b6dc260e19b867852db23250c8f2678f4f2ad196a31f4b91ae3706156d51 [2023-11-06 22:20:49,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:20:49,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:20:49,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:20:49,781 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:20:49,782 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:20:49,784 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-68.i [2023-11-06 22:20:52,978 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:20:53,227 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:20:53,229 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-68.i [2023-11-06 22:20:53,241 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/data/0b559b51d/790f39ccce0f4aa684f2ac7caebd808e/FLAGd61046674 [2023-11-06 22:20:53,261 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/data/0b559b51d/790f39ccce0f4aa684f2ac7caebd808e [2023-11-06 22:20:53,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:20:53,269 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:20:53,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:20:53,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:20:53,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:20:53,279 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:20:53" (1/1) ... [2023-11-06 22:20:53,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@740c4d8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:53, skipping insertion in model container [2023-11-06 22:20:53,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:20:53" (1/1) ... [2023-11-06 22:20:53,332 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:20:53,526 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_f305cefc-876a-4ff7-a3c7-66ccaa82f898/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-68.i[919,932] [2023-11-06 22:20:53,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:20:53,648 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:20:53,669 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_f305cefc-876a-4ff7-a3c7-66ccaa82f898/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-68.i[919,932] [2023-11-06 22:20:53,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:20:53,752 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:20:53,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:53 WrapperNode [2023-11-06 22:20:53,753 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:20:53,755 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:20:53,755 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:20:53,755 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:20:53,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:53" (1/1) ... [2023-11-06 22:20:53,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:53" (1/1) ... [2023-11-06 22:20:53,837 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 238 [2023-11-06 22:20:53,837 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:20:53,838 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:20:53,838 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:20:53,838 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:20:53,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:53" (1/1) ... [2023-11-06 22:20:53,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:53" (1/1) ... [2023-11-06 22:20:53,852 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:53" (1/1) ... [2023-11-06 22:20:53,853 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:53" (1/1) ... [2023-11-06 22:20:53,869 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:53" (1/1) ... [2023-11-06 22:20:53,873 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:53" (1/1) ... [2023-11-06 22:20:53,878 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:53" (1/1) ... [2023-11-06 22:20:53,882 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:53" (1/1) ... [2023-11-06 22:20:53,888 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:20:53,889 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:20:53,890 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:20:53,890 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:20:53,891 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:53" (1/1) ... [2023-11-06 22:20:53,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:20:53,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:20:53,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:20:53,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:20:53,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:20:53,975 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:20:53,975 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:20:53,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:20:53,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:20:53,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:20:54,060 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:20:54,062 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:20:54,594 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:20:54,602 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:20:54,602 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:20:54,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:20:54 BoogieIcfgContainer [2023-11-06 22:20:54,605 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:20:54,607 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:20:54,608 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:20:54,611 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:20:54,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:20:53" (1/3) ... [2023-11-06 22:20:54,612 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3487c901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:20:54, skipping insertion in model container [2023-11-06 22:20:54,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:53" (2/3) ... [2023-11-06 22:20:54,613 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3487c901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:20:54, skipping insertion in model container [2023-11-06 22:20:54,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:20:54" (3/3) ... [2023-11-06 22:20:54,615 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-68.i [2023-11-06 22:20:54,635 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:20:54,636 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:20:54,691 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:20:54,698 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;@71a4b7b2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:20:54,698 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:20:54,703 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 67 states have (on average 1.5522388059701493) internal successors, (104), 68 states have internal predecessors, (104), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-06 22:20:54,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-06 22:20:54,721 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:20:54,723 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:20:54,724 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:20:54,733 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:20:54,733 INFO L85 PathProgramCache]: Analyzing trace with hash 904013948, now seen corresponding path program 1 times [2023-11-06 22:20:54,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:20:54,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396880896] [2023-11-06 22:20:54,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:54,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:20:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:54,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:20:54,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396880896] [2023-11-06 22:20:54,978 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:20:54,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036017055] [2023-11-06 22:20:54,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:54,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:20:54,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:20:54,983 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:20:55,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:20:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:55,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:20:55,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:20:55,252 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2023-11-06 22:20:55,252 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:20:55,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1036017055] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:20:55,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:20:55,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:20:55,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028886242] [2023-11-06 22:20:55,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:20:55,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:20:55,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:20:55,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:20:55,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:20:55,299 INFO L87 Difference]: Start difference. First operand has 88 states, 67 states have (on average 1.5522388059701493) internal successors, (104), 68 states have internal predecessors, (104), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-06 22:20:55,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:20:55,346 INFO L93 Difference]: Finished difference Result 168 states and 290 transitions. [2023-11-06 22:20:55,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:20:55,349 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 133 [2023-11-06 22:20:55,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:20:55,358 INFO L225 Difference]: With dead ends: 168 [2023-11-06 22:20:55,359 INFO L226 Difference]: Without dead ends: 83 [2023-11-06 22:20:55,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 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 22:20:55,367 INFO L413 NwaCegarLoop]: 128 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, 128 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 22:20:55,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:20:55,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-06 22:20:55,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-11-06 22:20:55,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 63 states have (on average 1.4603174603174602) internal successors, (92), 63 states have internal predecessors, (92), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-06 22:20:55,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 128 transitions. [2023-11-06 22:20:55,419 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 128 transitions. Word has length 133 [2023-11-06 22:20:55,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:20:55,420 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 128 transitions. [2023-11-06 22:20:55,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-06 22:20:55,421 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 128 transitions. [2023-11-06 22:20:55,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-06 22:20:55,425 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:20:55,425 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:20:55,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:20:55,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:20:55,632 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:20:55,633 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:20:55,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1375244996, now seen corresponding path program 1 times [2023-11-06 22:20:55,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:20:55,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907928991] [2023-11-06 22:20:55,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:55,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:20:55,737 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:20:55,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [531355147] [2023-11-06 22:20:55,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:55,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:20:55,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:20:55,740 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:20:55,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:20:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:55,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:20:55,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:20:56,023 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-06 22:20:56,023 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:20:56,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:20:56,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907928991] [2023-11-06 22:20:56,024 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:20:56,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531355147] [2023-11-06 22:20:56,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [531355147] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:20:56,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:20:56,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:20:56,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859233803] [2023-11-06 22:20:56,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:20:56,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:20:56,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:20:56,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:20:56,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:20:56,029 INFO L87 Difference]: Start difference. First operand 83 states and 128 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-06 22:20:56,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:20:56,207 INFO L93 Difference]: Finished difference Result 167 states and 261 transitions. [2023-11-06 22:20:56,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:20:56,208 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 133 [2023-11-06 22:20:56,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:20:56,211 INFO L225 Difference]: With dead ends: 167 [2023-11-06 22:20:56,212 INFO L226 Difference]: Without dead ends: 87 [2023-11-06 22:20:56,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:20:56,215 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 18 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:20:56,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 435 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:20:56,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-06 22:20:56,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 86. [2023-11-06 22:20:56,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 66 states have (on average 1.4545454545454546) internal successors, (96), 66 states have internal predecessors, (96), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-06 22:20:56,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 132 transitions. [2023-11-06 22:20:56,236 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 132 transitions. Word has length 133 [2023-11-06 22:20:56,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:20:56,238 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 132 transitions. [2023-11-06 22:20:56,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-06 22:20:56,238 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 132 transitions. [2023-11-06 22:20:56,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-06 22:20:56,241 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:20:56,241 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:20:56,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:20:56,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:20:56,448 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:20:56,449 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:20:56,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1156390278, now seen corresponding path program 1 times [2023-11-06 22:20:56,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:20:56,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216536568] [2023-11-06 22:20:56,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:56,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:20:56,523 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:20:56,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1014426672] [2023-11-06 22:20:56,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:56,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:20:56,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:20:56,527 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:20:56,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:20:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:56,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:20:56,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:20:56,784 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-06 22:20:56,789 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:20:56,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:20:56,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216536568] [2023-11-06 22:20:56,790 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:20:56,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014426672] [2023-11-06 22:20:56,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1014426672] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:20:56,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:20:56,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:20:56,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013813097] [2023-11-06 22:20:56,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:20:56,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:20:56,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:20:56,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:20:56,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:20:56,793 INFO L87 Difference]: Start difference. First operand 86 states and 132 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-06 22:20:56,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:20:56,861 INFO L93 Difference]: Finished difference Result 169 states and 261 transitions. [2023-11-06 22:20:56,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:20:56,862 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 133 [2023-11-06 22:20:56,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:20:56,866 INFO L225 Difference]: With dead ends: 169 [2023-11-06 22:20:56,866 INFO L226 Difference]: Without dead ends: 86 [2023-11-06 22:20:56,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:20:56,869 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 136 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:20:56,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 206 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:20:56,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-06 22:20:56,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2023-11-06 22:20:56,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 66 states have (on average 1.4393939393939394) internal successors, (95), 66 states have internal predecessors, (95), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-06 22:20:56,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 131 transitions. [2023-11-06 22:20:56,894 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 131 transitions. Word has length 133 [2023-11-06 22:20:56,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:20:56,897 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 131 transitions. [2023-11-06 22:20:56,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-06 22:20:56,898 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 131 transitions. [2023-11-06 22:20:56,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-06 22:20:56,909 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:20:56,909 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:20:56,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:20:57,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:20:57,116 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:20:57,117 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:20:57,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1243183417, now seen corresponding path program 1 times [2023-11-06 22:20:57,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:20:57,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492552814] [2023-11-06 22:20:57,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:57,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:20:57,194 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:20:57,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [962482976] [2023-11-06 22:20:57,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:57,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:20:57,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:20:57,207 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:20:57,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:20:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:57,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:20:57,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:20:57,977 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-06 22:20:57,977 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:20:57,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:20:57,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492552814] [2023-11-06 22:20:57,978 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:20:57,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962482976] [2023-11-06 22:20:57,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962482976] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:20:57,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:20:57,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:20:57,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828760259] [2023-11-06 22:20:57,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:20:57,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:20:57,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:20:57,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:20:57,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:20:57,982 INFO L87 Difference]: Start difference. First operand 86 states and 131 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-06 22:20:58,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:20:58,054 INFO L93 Difference]: Finished difference Result 250 states and 383 transitions. [2023-11-06 22:20:58,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:20:58,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 134 [2023-11-06 22:20:58,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:20:58,058 INFO L225 Difference]: With dead ends: 250 [2023-11-06 22:20:58,058 INFO L226 Difference]: Without dead ends: 167 [2023-11-06 22:20:58,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:20:58,060 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 67 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:20:58,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 345 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:20:58,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-11-06 22:20:58,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 164. [2023-11-06 22:20:58,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 125 states have (on average 1.424) internal successors, (178), 125 states have internal predecessors, (178), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-06 22:20:58,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 250 transitions. [2023-11-06 22:20:58,095 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 250 transitions. Word has length 134 [2023-11-06 22:20:58,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:20:58,096 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 250 transitions. [2023-11-06 22:20:58,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-06 22:20:58,096 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 250 transitions. [2023-11-06 22:20:58,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-06 22:20:58,100 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:20:58,100 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:20:58,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:20:58,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:20:58,307 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:20:58,307 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:20:58,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1636210427, now seen corresponding path program 1 times [2023-11-06 22:20:58,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:20:58,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404755076] [2023-11-06 22:20:58,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:58,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:20:58,350 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:20:58,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [537956048] [2023-11-06 22:20:58,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:58,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:20:58,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:20:58,353 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:20:58,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:20:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:58,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:20:58,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:20:58,594 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-06 22:20:58,594 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:20:58,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:20:58,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404755076] [2023-11-06 22:20:58,594 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:20:58,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537956048] [2023-11-06 22:20:58,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537956048] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:20:58,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:20:58,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:20:58,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009269741] [2023-11-06 22:20:58,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:20:58,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:20:58,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:20:58,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:20:58,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:20:58,597 INFO L87 Difference]: Start difference. First operand 164 states and 250 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-06 22:20:58,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:20:58,924 INFO L93 Difference]: Finished difference Result 509 states and 766 transitions. [2023-11-06 22:20:58,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:20:58,925 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 134 [2023-11-06 22:20:58,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:20:58,929 INFO L225 Difference]: With dead ends: 509 [2023-11-06 22:20:58,929 INFO L226 Difference]: Without dead ends: 348 [2023-11-06 22:20:58,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:20:58,933 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 247 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:20:58,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 434 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:20:58,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2023-11-06 22:20:58,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 277. [2023-11-06 22:20:58,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 220 states have (on average 1.4136363636363636) internal successors, (311), 222 states have internal predecessors, (311), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 50 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-06 22:20:58,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 415 transitions. [2023-11-06 22:20:58,989 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 415 transitions. Word has length 134 [2023-11-06 22:20:58,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:20:58,990 INFO L495 AbstractCegarLoop]: Abstraction has 277 states and 415 transitions. [2023-11-06 22:20:58,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-06 22:20:58,991 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 415 transitions. [2023-11-06 22:20:58,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-06 22:20:58,993 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:20:58,993 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:20:59,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:20:59,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:20:59,200 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:20:59,200 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:20:59,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1888181202, now seen corresponding path program 1 times [2023-11-06 22:20:59,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:20:59,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471648626] [2023-11-06 22:20:59,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:59,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:20:59,269 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:20:59,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1297153474] [2023-11-06 22:20:59,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:59,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:20:59,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:20:59,276 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:20:59,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:20:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:59,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:20:59,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:20:59,749 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-06 22:20:59,749 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:20:59,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:20:59,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471648626] [2023-11-06 22:20:59,750 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:20:59,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297153474] [2023-11-06 22:20:59,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297153474] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:20:59,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:20:59,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:20:59,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131140013] [2023-11-06 22:20:59,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:20:59,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:20:59,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:20:59,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:20:59,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:20:59,753 INFO L87 Difference]: Start difference. First operand 277 states and 415 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-06 22:21:00,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:00,305 INFO L93 Difference]: Finished difference Result 673 states and 992 transitions. [2023-11-06 22:21:00,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:21:00,306 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 135 [2023-11-06 22:21:00,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:00,312 INFO L225 Difference]: With dead ends: 673 [2023-11-06 22:21:00,313 INFO L226 Difference]: Without dead ends: 507 [2023-11-06 22:21:00,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:21:00,314 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 386 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:00,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 598 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:21:00,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2023-11-06 22:21:00,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 315. [2023-11-06 22:21:00,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 247 states have (on average 1.4048582995951417) internal successors, (347), 248 states have internal predecessors, (347), 62 states have call successors, (62), 5 states have call predecessors, (62), 5 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-06 22:21:00,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 471 transitions. [2023-11-06 22:21:00,356 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 471 transitions. Word has length 135 [2023-11-06 22:21:00,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:00,356 INFO L495 AbstractCegarLoop]: Abstraction has 315 states and 471 transitions. [2023-11-06 22:21:00,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-06 22:21:00,357 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 471 transitions. [2023-11-06 22:21:00,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-06 22:21:00,359 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:00,359 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:21:00,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:00,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:00,566 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:21:00,566 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:00,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1984084268, now seen corresponding path program 1 times [2023-11-06 22:21:00,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:00,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729354586] [2023-11-06 22:21:00,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:00,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:00,597 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:21:00,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1183696271] [2023-11-06 22:21:00,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:00,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:00,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:00,599 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:21:00,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:21:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:21:00,761 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:21:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:21:01,009 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:21:01,009 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:21:01,010 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:21:01,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:01,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:01,222 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:01,226 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:21:01,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:21:01 BoogieIcfgContainer [2023-11-06 22:21:01,361 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:21:01,362 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:21:01,362 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:21:01,362 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:21:01,362 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:20:54" (3/4) ... [2023-11-06 22:21:01,364 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:21:01,366 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:21:01,366 INFO L158 Benchmark]: Toolchain (without parser) took 8097.14ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 135.1MB in the beginning and 64.8MB in the end (delta: 70.3MB). Peak memory consumption was 106.7MB. Max. memory is 16.1GB. [2023-11-06 22:21:01,367 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:21:01,367 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.06ms. Allocated memory is still 174.1MB. Free memory was 134.3MB in the beginning and 119.5MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:21:01,367 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.70ms. Allocated memory is still 174.1MB. Free memory was 119.5MB in the beginning and 115.4MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:21:01,368 INFO L158 Benchmark]: Boogie Preprocessor took 50.55ms. Allocated memory is still 174.1MB. Free memory was 115.4MB in the beginning and 112.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:21:01,368 INFO L158 Benchmark]: RCFGBuilder took 715.44ms. Allocated memory is still 174.1MB. Free memory was 112.8MB in the beginning and 85.8MB in the end (delta: 27.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-06 22:21:01,369 INFO L158 Benchmark]: TraceAbstraction took 6753.58ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 84.7MB in the beginning and 64.8MB in the end (delta: 20.0MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. [2023-11-06 22:21:01,369 INFO L158 Benchmark]: Witness Printer took 4.17ms. Allocated memory is still 209.7MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:21:01,371 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.06ms. Allocated memory is still 174.1MB. Free memory was 134.3MB in the beginning and 119.5MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.70ms. Allocated memory is still 174.1MB. Free memory was 119.5MB in the beginning and 115.4MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.55ms. Allocated memory is still 174.1MB. Free memory was 115.4MB in the beginning and 112.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 715.44ms. Allocated memory is still 174.1MB. Free memory was 112.8MB in the beginning and 85.8MB in the end (delta: 27.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 6753.58ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 84.7MB in the beginning and 64.8MB in the end (delta: 20.0MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. * Witness Printer took 4.17ms. Allocated memory is still 209.7MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 170, overapproximation of someBinaryFLOATComparisonOperation at line 170. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_5 = 0; [L24] unsigned char var_1_6 = 0; [L25] unsigned char var_1_7 = 1; [L26] unsigned char var_1_8 = 32; [L27] double var_1_9 = 4.6; [L28] double var_1_10 = 9.25; [L29] double var_1_11 = 1.25; [L30] unsigned char var_1_12 = 100; [L31] unsigned char var_1_13 = 64; [L32] unsigned char var_1_14 = 0; [L33] float var_1_15 = 7.5; [L34] signed long int var_1_16 = 0; [L35] unsigned char var_1_17 = 1; [L36] double var_1_21 = 4.65; [L37] double var_1_23 = 9999999999.1; [L38] double var_1_24 = 5.5; [L39] unsigned short int var_1_25 = 16; [L40] signed long int var_1_27 = 32; [L41] signed char var_1_31 = 32; [L42] signed char var_1_32 = 32; [L43] signed short int var_1_33 = 100; [L44] unsigned char var_1_34 = 1; [L45] double var_1_35 = 3.8; [L46] signed short int var_1_37 = -256; [L47] unsigned short int var_1_38 = 4; [L48] double last_1_var_1_9 = 4.6; [L49] unsigned char last_1_var_1_12 = 100; [L50] unsigned char last_1_var_1_14 = 0; [L51] signed long int last_1_var_1_16 = 0; VAL [isInitial=0, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L174] isInitial = 1 [L175] FCALL initially() [L176] COND TRUE 1 [L177] CALL updateLastVariables() [L164] last_1_var_1_9 = var_1_9 [L165] last_1_var_1_12 = var_1_12 [L166] last_1_var_1_14 = var_1_14 [L167] last_1_var_1_16 = var_1_16 VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L177] RET updateLastVariables() [L178] CALL updateVariables() [L134] var_1_5 = __VERIFIER_nondet_uchar() [L135] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L135] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L136] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L136] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L137] var_1_7 = __VERIFIER_nondet_uchar() [L138] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L138] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L139] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L139] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L140] var_1_8 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L141] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L142] CALL assume_abort_if_not(var_1_8 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L142] RET assume_abort_if_not(var_1_8 <= 255) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L143] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L143] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L144] var_1_10 = __VERIFIER_nondet_double() [L145] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L145] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L146] var_1_13 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L147] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L148] CALL assume_abort_if_not(var_1_13 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L148] RET assume_abort_if_not(var_1_13 <= 254) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L149] var_1_23 = __VERIFIER_nondet_double() [L150] CALL assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L150] RET assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L151] var_1_24 = __VERIFIER_nondet_double() [L152] CALL assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L152] RET assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L153] var_1_31 = __VERIFIER_nondet_char() [L154] CALL assume_abort_if_not(var_1_31 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L154] RET assume_abort_if_not(var_1_31 >= -127) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L155] CALL assume_abort_if_not(var_1_31 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L155] RET assume_abort_if_not(var_1_31 <= 127) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L156] var_1_32 = __VERIFIER_nondet_char() [L157] CALL assume_abort_if_not(var_1_32 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L157] RET assume_abort_if_not(var_1_32 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L158] CALL assume_abort_if_not(var_1_32 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L158] RET assume_abort_if_not(var_1_32 <= 127) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L159] var_1_35 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_35 >= -922337.2036854776000e+13F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854776000e+12F && var_1_35 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L160] RET assume_abort_if_not((var_1_35 >= -922337.2036854776000e+13F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854776000e+12F && var_1_35 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L161] CALL assume_abort_if_not(var_1_35 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L161] RET assume_abort_if_not(var_1_35 != 0.0F) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L178] RET updateVariables() [L179] CALL step() [L55] signed long int stepLocal_4 = last_1_var_1_16; VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_4=0, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L56] COND FALSE !(\read(last_1_var_1_14)) [L67] var_1_12 = var_1_13 VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_4=0, var_1_10=2, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L69] var_1_16 = last_1_var_1_12 VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_4=0, var_1_10=2, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=100, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L70] COND FALSE !(var_1_31 >= var_1_32) [L75] var_1_34 = ((var_1_24 >= (var_1_10 / var_1_35)) || var_1_7) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_4=0, var_1_10=2, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=100, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L77] EXPR var_1_13 | var_1_13 VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_4=0, var_1_10=2, var_1_11=5/4, var_1_12=0, var_1_13 | var_1_13=0, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=100, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L77] EXPR var_1_12 ^ (var_1_13 | var_1_13) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_4=0, var_1_10=2, var_1_11=5/4, var_1_12 ^ (var_1_13 | var_1_13)=0, var_1_12=0, var_1_13 | var_1_13=0, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=100, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L77] EXPR var_1_31 ^ var_1_12 VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_4=0, var_1_10=2, var_1_11=5/4, var_1_12 ^ (var_1_13 | var_1_13)=0, var_1_12=0, var_1_13 | var_1_13=0, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=100, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31 ^ var_1_12=0, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L77] COND FALSE !((var_1_12 ^ (var_1_13 | var_1_13)) < (var_1_31 ^ var_1_12)) [L80] unsigned long int stepLocal_6 = var_1_13 % (5u + 256u); [L81] signed long int stepLocal_5 = var_1_13 + 16; VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_10=2, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=100, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L82] COND TRUE stepLocal_6 <= var_1_16 VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_10=2, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=100, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L83] COND FALSE !(stepLocal_5 >= var_1_16) [L86] var_1_14 = var_1_7 VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_10=2, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=15/2, var_1_16=100, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L89] var_1_38 = var_1_12 [L90] unsigned char stepLocal_0 = var_1_12; VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_0=0, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_10=2, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=15/2, var_1_16=100, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L91] EXPR var_1_12 ^ var_1_12 VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_0=0, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_10=2, var_1_11=5/4, var_1_12 ^ var_1_12=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=15/2, var_1_16=100, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L91] COND TRUE stepLocal_0 <= (var_1_12 ^ var_1_12) [L92] var_1_1 = (! var_1_5) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_0=0, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_10=2, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=15/2, var_1_16=100, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L96] unsigned char stepLocal_2 = var_1_12 < (var_1_16 / var_1_8); [L97] signed long int stepLocal_1 = var_1_16; VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_0=0, stepLocal_1=100, stepLocal_2=1, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_10=2, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=15/2, var_1_16=100, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L98] COND FALSE !(-256 >= stepLocal_1) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_0=0, stepLocal_1=100, stepLocal_2=1, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_10=2, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=15/2, var_1_16=100, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L101] COND TRUE stepLocal_2 || ((var_1_5 && var_1_7) && var_1_1) [L102] var_1_6 = var_1_7 VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_0=0, stepLocal_1=100, stepLocal_2=1, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_10=2, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=15/2, var_1_16=100, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=0, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=99, var_1_9=23/5] [L105] var_1_25 = var_1_12 VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_0=0, stepLocal_1=100, stepLocal_2=1, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_10=2, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=15/2, var_1_16=100, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=0, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=0, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=99, var_1_9=23/5] [L106] COND FALSE !(((((var_1_10) > (var_1_24)) ? (var_1_10) : (var_1_24))) > var_1_23) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_0=0, stepLocal_1=100, stepLocal_2=1, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_10=2, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=15/2, var_1_16=100, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=0, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=0, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=99, var_1_9=23/5] [L119] unsigned char stepLocal_3 = ! var_1_5; VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_0=0, stepLocal_1=100, stepLocal_2=1, stepLocal_3=1, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_10=2, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=15/2, var_1_16=100, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=0, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=0, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=99, var_1_9=23/5] [L120] COND TRUE (var_1_7 && var_1_14) || stepLocal_3 [L121] var_1_11 = var_1_10 VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_0=0, stepLocal_1=100, stepLocal_2=1, stepLocal_3=1, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=15/2, var_1_16=100, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=0, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=0, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=99, var_1_9=23/5] [L123] COND FALSE !(! var_1_14) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_0=0, stepLocal_1=100, stepLocal_2=1, stepLocal_3=1, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=15/2, var_1_16=100, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=0, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=0, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=99, var_1_9=23/5] [L126] var_1_15 = var_1_10 VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_0=0, stepLocal_1=100, stepLocal_2=1, stepLocal_3=1, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=100, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=0, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=0, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=99, var_1_9=23/5] [L127] COND TRUE ((((((((var_1_16) < (var_1_12)) ? (var_1_16) : (var_1_12)))) > (var_1_12)) ? (((((var_1_16) < (var_1_12)) ? (var_1_16) : (var_1_12)))) : (var_1_12))) <= (50 * var_1_8) [L128] var_1_9 = var_1_10 VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_0=0, stepLocal_1=100, stepLocal_2=1, stepLocal_3=1, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=100, var_1_17=1, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=0, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=0, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=99, var_1_9=2] [L130] var_1_17 = (var_1_5 || (var_1_7 && var_1_5)) [L131] var_1_33 = var_1_31 VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_0=0, stepLocal_1=100, stepLocal_2=1, stepLocal_3=1, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=100, var_1_17=0, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=0, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=0, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=99, var_1_9=2] [L179] RET step() [L180] CALL, EXPR property() [L170] EXPR var_1_12 ^ var_1_12 VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=2, var_1_12 ^ var_1_12=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=100, var_1_17=0, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=0, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=0, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=99, var_1_9=2] [L170-L171] return ((((((((var_1_12 <= (var_1_12 ^ var_1_12)) ? (var_1_1 == ((unsigned char) (! var_1_5))) : (var_1_1 == ((unsigned char) (! var_1_5)))) && ((-256 >= var_1_16) ? (var_1_6 == ((unsigned char) (var_1_1 || var_1_7))) : (((var_1_12 < (var_1_16 / var_1_8)) || ((var_1_5 && var_1_7) && var_1_1)) ? (var_1_6 == ((unsigned char) var_1_7)) : 1))) && ((((((((((var_1_16) < (var_1_12)) ? (var_1_16) : (var_1_12)))) > (var_1_12)) ? (((((var_1_16) < (var_1_12)) ? (var_1_16) : (var_1_12)))) : (var_1_12))) <= (50 * var_1_8)) ? (var_1_9 == ((double) var_1_10)) : 1)) && (((var_1_7 && var_1_14) || (! var_1_5)) ? (var_1_11 == ((double) var_1_10)) : 1)) && (last_1_var_1_14 ? ((var_1_10 >= (- last_1_var_1_9)) ? ((var_1_8 != last_1_var_1_16) ? (var_1_12 == ((unsigned char) var_1_13)) : (var_1_12 == ((unsigned char) 50))) : (var_1_12 == ((unsigned char) var_1_13))) : (var_1_12 == ((unsigned char) var_1_13)))) && (((var_1_13 % (5u + 256u)) <= var_1_16) ? (((var_1_13 + 16) >= var_1_16) ? (var_1_14 == ((unsigned char) var_1_7)) : (var_1_14 == ((unsigned char) var_1_7))) : 1)) && (var_1_15 == ((float) var_1_10))) && (var_1_16 == ((signed long int) last_1_var_1_12)) ; [L180] RET, EXPR property() [L180] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=100, var_1_17=0, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=0, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=0, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=99, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=100, var_1_17=0, var_1_1=1, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=0, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=1, var_1_35=5, var_1_37=-256, var_1_38=0, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=99, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.6s, OverallIterations: 7, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 854 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 854 mSDsluCounter, 2146 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1435 mSDsCounter, 123 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 652 IncrementalHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 123 mSolverCounterUnsat, 711 mSDtfsCounter, 652 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 807 GetRequests, 781 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=315occurred in iteration=6, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 267 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1070 NumberOfCodeBlocks, 1070 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 796 ConstructedInterpolants, 0 QuantifiedInterpolants, 1784 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2171 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 3672/3672 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 22:21:01,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/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_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/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_f305cefc-876a-4ff7-a3c7-66ccaa82f898/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 59f9b6dc260e19b867852db23250c8f2678f4f2ad196a31f4b91ae3706156d51 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:21:04,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:21:04,228 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:21:04,234 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:21:04,235 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:21:04,264 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:21:04,266 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:21:04,267 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:21:04,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:21:04,274 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:21:04,275 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:21:04,275 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:21:04,276 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:21:04,278 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:21:04,279 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:21:04,279 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:21:04,280 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:21:04,280 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:21:04,280 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:21:04,282 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:21:04,282 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:21:04,283 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:21:04,283 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:21:04,284 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:21:04,284 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:21:04,284 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:21:04,285 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:21:04,285 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:21:04,286 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:21:04,286 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:21:04,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:21:04,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:21:04,288 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:21:04,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:21:04,289 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:21:04,289 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:21:04,290 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:21:04,290 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:21:04,290 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:21:04,291 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:21:04,292 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:21:04,292 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:21:04,292 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_f305cefc-876a-4ff7-a3c7-66ccaa82f898/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59f9b6dc260e19b867852db23250c8f2678f4f2ad196a31f4b91ae3706156d51 [2023-11-06 22:21:04,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:21:04,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:21:04,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:21:04,718 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:21:04,719 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:21:04,720 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-68.i [2023-11-06 22:21:07,946 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:21:08,285 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:21:08,287 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-68.i [2023-11-06 22:21:08,299 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/data/ad889f675/b3c52fa6aa9e4ea2845f7d8f265cbf88/FLAG817c883fc [2023-11-06 22:21:08,314 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/data/ad889f675/b3c52fa6aa9e4ea2845f7d8f265cbf88 [2023-11-06 22:21:08,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:21:08,322 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:21:08,328 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:21:08,328 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:21:08,333 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:21:08,337 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:21:08" (1/1) ... [2023-11-06 22:21:08,338 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@562e0331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:08, skipping insertion in model container [2023-11-06 22:21:08,338 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:21:08" (1/1) ... [2023-11-06 22:21:08,389 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:21:08,592 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_f305cefc-876a-4ff7-a3c7-66ccaa82f898/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-68.i[919,932] [2023-11-06 22:21:08,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:21:08,750 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:21:08,768 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_f305cefc-876a-4ff7-a3c7-66ccaa82f898/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-68.i[919,932] [2023-11-06 22:21:08,843 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:21:08,872 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:21:08,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:08 WrapperNode [2023-11-06 22:21:08,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:21:08,875 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:21:08,876 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:21:08,876 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:21:08,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:08" (1/1) ... [2023-11-06 22:21:08,913 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:08" (1/1) ... [2023-11-06 22:21:08,962 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 166 [2023-11-06 22:21:08,964 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:21:08,965 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:21:08,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:21:08,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:21:08,975 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:08" (1/1) ... [2023-11-06 22:21:08,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:08" (1/1) ... [2023-11-06 22:21:08,996 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:08" (1/1) ... [2023-11-06 22:21:08,996 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:08" (1/1) ... [2023-11-06 22:21:09,017 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:08" (1/1) ... [2023-11-06 22:21:09,034 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:08" (1/1) ... [2023-11-06 22:21:09,037 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:08" (1/1) ... [2023-11-06 22:21:09,040 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:08" (1/1) ... [2023-11-06 22:21:09,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:21:09,046 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:21:09,046 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:21:09,046 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:21:09,047 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:08" (1/1) ... [2023-11-06 22:21:09,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:21:09,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:09,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:21:09,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:21:09,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:21:09,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:21:09,136 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:21:09,136 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:21:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:21:09,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:21:09,271 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:21:09,273 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:21:11,752 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:21:11,759 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:21:11,760 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:21:11,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:21:11 BoogieIcfgContainer [2023-11-06 22:21:11,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:21:11,764 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:21:11,764 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:21:11,768 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:21:11,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:21:08" (1/3) ... [2023-11-06 22:21:11,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@747ee3b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:21:11, skipping insertion in model container [2023-11-06 22:21:11,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:08" (2/3) ... [2023-11-06 22:21:11,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@747ee3b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:21:11, skipping insertion in model container [2023-11-06 22:21:11,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:21:11" (3/3) ... [2023-11-06 22:21:11,771 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-68.i [2023-11-06 22:21:11,789 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:21:11,789 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:21:11,841 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:21:11,848 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;@3188f1ec, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:21:11,848 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:21:11,853 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 53 states have internal predecessors, (75), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-06 22:21:11,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-06 22:21:11,868 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:11,869 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:21:11,870 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:21:11,875 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:11,876 INFO L85 PathProgramCache]: Analyzing trace with hash 675350181, now seen corresponding path program 1 times [2023-11-06 22:21:11,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:21:11,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [507372884] [2023-11-06 22:21:11,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:11,891 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 22:21:11,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:21:11,899 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/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 22:21:11,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/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 22:21:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:13,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:21:13,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:13,213 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-06 22:21:13,213 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:13,214 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:21:13,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [507372884] [2023-11-06 22:21:13,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [507372884] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:13,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:13,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:21:13,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613323399] [2023-11-06 22:21:13,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:13,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:21:13,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:21:13,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:21:13,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:21:13,274 INFO L87 Difference]: Start difference. First operand has 73 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 53 states have internal predecessors, (75), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-06 22:21:13,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:13,312 INFO L93 Difference]: Finished difference Result 139 states and 234 transitions. [2023-11-06 22:21:13,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:21:13,315 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 127 [2023-11-06 22:21:13,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:13,325 INFO L225 Difference]: With dead ends: 139 [2023-11-06 22:21:13,326 INFO L226 Difference]: Without dead ends: 69 [2023-11-06 22:21:13,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 126 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 22:21:13,336 INFO L413 NwaCegarLoop]: 104 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, 104 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 22:21:13,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:21:13,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-06 22:21:13,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-06 22:21:13,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 49 states have internal predecessors, (68), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-06 22:21:13,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 104 transitions. [2023-11-06 22:21:13,404 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 104 transitions. Word has length 127 [2023-11-06 22:21:13,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:13,404 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 104 transitions. [2023-11-06 22:21:13,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-06 22:21:13,405 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 104 transitions. [2023-11-06 22:21:13,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-06 22:21:13,408 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:13,409 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:21:13,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/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 22:21:13,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/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 22:21:13,611 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:21:13,612 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:13,612 INFO L85 PathProgramCache]: Analyzing trace with hash -471278747, now seen corresponding path program 1 times [2023-11-06 22:21:13,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:21:13,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [277514193] [2023-11-06 22:21:13,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:13,613 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 22:21:13,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:21:13,614 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/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 22:21:13,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/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 22:21:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:14,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:21:14,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:16,394 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-06 22:21:16,394 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:16,395 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:21:16,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [277514193] [2023-11-06 22:21:16,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [277514193] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:16,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:16,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:21:16,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219601612] [2023-11-06 22:21:16,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:16,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:21:16,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:21:16,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:21:16,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:21:16,400 INFO L87 Difference]: Start difference. First operand 69 states and 104 transitions. Second operand has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-06 22:21:21,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:21,320 INFO L93 Difference]: Finished difference Result 312 states and 468 transitions. [2023-11-06 22:21:21,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:21:21,331 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 127 [2023-11-06 22:21:21,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:21,336 INFO L225 Difference]: With dead ends: 312 [2023-11-06 22:21:21,337 INFO L226 Difference]: Without dead ends: 246 [2023-11-06 22:21:21,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:21:21,340 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 370 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:21,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 541 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-11-06 22:21:21,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2023-11-06 22:21:21,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 207. [2023-11-06 22:21:21,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 139 states have (on average 1.3453237410071943) internal successors, (187), 141 states have internal predecessors, (187), 62 states have call successors, (62), 5 states have call predecessors, (62), 5 states have return successors, (62), 60 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-06 22:21:21,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 311 transitions. [2023-11-06 22:21:21,426 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 311 transitions. Word has length 127 [2023-11-06 22:21:21,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:21,427 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 311 transitions. [2023-11-06 22:21:21,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-06 22:21:21,427 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 311 transitions. [2023-11-06 22:21:21,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-06 22:21:21,433 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:21,433 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:21:21,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:21,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/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 22:21:21,655 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:21:21,656 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:21,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1751142425, now seen corresponding path program 1 times [2023-11-06 22:21:21,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:21:21,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [702100265] [2023-11-06 22:21:21,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:21,657 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 22:21:21,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:21:21,662 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/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 22:21:21,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/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 22:21:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:22,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:21:22,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:23,120 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-06 22:21:23,120 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:23,120 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:21:23,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [702100265] [2023-11-06 22:21:23,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [702100265] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:23,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:23,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:21:23,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156630434] [2023-11-06 22:21:23,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:23,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:21:23,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:21:23,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:21:23,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:21:23,124 INFO L87 Difference]: Start difference. First operand 207 states and 311 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-06 22:21:23,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:23,970 INFO L93 Difference]: Finished difference Result 357 states and 535 transitions. [2023-11-06 22:21:23,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:21:23,983 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 127 [2023-11-06 22:21:23,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:23,988 INFO L225 Difference]: With dead ends: 357 [2023-11-06 22:21:23,988 INFO L226 Difference]: Without dead ends: 207 [2023-11-06 22:21:23,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:21:23,992 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 116 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:23,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 159 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:21:23,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2023-11-06 22:21:24,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2023-11-06 22:21:24,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 139 states have (on average 1.3237410071942446) internal successors, (184), 141 states have internal predecessors, (184), 62 states have call successors, (62), 5 states have call predecessors, (62), 5 states have return successors, (62), 60 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-06 22:21:24,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 308 transitions. [2023-11-06 22:21:24,083 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 308 transitions. Word has length 127 [2023-11-06 22:21:24,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:24,085 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 308 transitions. [2023-11-06 22:21:24,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-06 22:21:24,085 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 308 transitions. [2023-11-06 22:21:24,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-06 22:21:24,092 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:24,092 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:21:24,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:24,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/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 22:21:24,295 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:21:24,296 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:24,296 INFO L85 PathProgramCache]: Analyzing trace with hash -731947055, now seen corresponding path program 1 times [2023-11-06 22:21:24,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:21:24,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [749421267] [2023-11-06 22:21:24,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:24,297 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 22:21:24,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:21:24,298 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/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 22:21:24,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f305cefc-876a-4ff7-a3c7-66ccaa82f898/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-06 22:21:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:25,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-06 22:21:25,430 INFO L285 TraceCheckSpWp]: Computing forward predicates...