./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-30.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/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_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/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_a4121ad0-71df-44fe-8b08-ce0e620063fc/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 d10cd0607171a465ff2ca1ce03aa847fdf912d87f8dfda1b118440a87d224724 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:56:48,713 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:56:48,807 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:56:48,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:56:48,813 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:56:48,839 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:56:48,839 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:56:48,840 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:56:48,841 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:56:48,841 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:56:48,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:56:48,843 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:56:48,843 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:56:48,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:56:48,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:56:48,845 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:56:48,846 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:56:48,846 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:56:48,847 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:56:48,847 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:56:48,848 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:56:48,848 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:56:48,849 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:56:48,850 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:56:48,850 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:56:48,851 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:56:48,851 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:56:48,852 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:56:48,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:56:48,853 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:56:48,853 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:56:48,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:56:48,854 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:56:48,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:56:48,855 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:56:48,855 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:56:48,856 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:56:48,856 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:56:48,857 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:56:48,857 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_a4121ad0-71df-44fe-8b08-ce0e620063fc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d10cd0607171a465ff2ca1ce03aa847fdf912d87f8dfda1b118440a87d224724 [2023-11-06 22:56:49,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:56:49,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:56:49,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:56:49,219 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:56:49,220 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:56:49,221 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-30.i [2023-11-06 22:56:52,412 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:56:52,741 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:56:52,741 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-30.i [2023-11-06 22:56:52,751 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP/data/e455a4974/06802427d0a74954a760508a6c9e8d53/FLAGa6ee9f619 [2023-11-06 22:56:53,051 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP/data/e455a4974/06802427d0a74954a760508a6c9e8d53 [2023-11-06 22:56:53,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:56:53,055 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:56:53,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:56:53,057 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:56:53,062 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:56:53,063 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:56:53" (1/1) ... [2023-11-06 22:56:53,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@772ed890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:53, skipping insertion in model container [2023-11-06 22:56:53,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:56:53" (1/1) ... [2023-11-06 22:56:53,102 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:56:53,256 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_a4121ad0-71df-44fe-8b08-ce0e620063fc/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-30.i[917,930] [2023-11-06 22:56:53,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:56:53,319 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:56:53,333 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_a4121ad0-71df-44fe-8b08-ce0e620063fc/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-30.i[917,930] [2023-11-06 22:56:53,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:56:53,403 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:56:53,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:53 WrapperNode [2023-11-06 22:56:53,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:56:53,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:56:53,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:56:53,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:56:53,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:53" (1/1) ... [2023-11-06 22:56:53,426 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:53" (1/1) ... [2023-11-06 22:56:53,462 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 165 [2023-11-06 22:56:53,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:56:53,468 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:56:53,469 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:56:53,470 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:56:53,479 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:53" (1/1) ... [2023-11-06 22:56:53,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:53" (1/1) ... [2023-11-06 22:56:53,483 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:53" (1/1) ... [2023-11-06 22:56:53,483 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:53" (1/1) ... [2023-11-06 22:56:53,492 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:53" (1/1) ... [2023-11-06 22:56:53,497 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:53" (1/1) ... [2023-11-06 22:56:53,509 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:53" (1/1) ... [2023-11-06 22:56:53,511 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:53" (1/1) ... [2023-11-06 22:56:53,514 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:56:53,515 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:56:53,515 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:56:53,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:56:53,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:53" (1/1) ... [2023-11-06 22:56:53,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:56:53,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:56:53,568 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:56:53,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:56:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:56:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:56:53,620 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:56:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:56:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:56:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:56:53,751 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:56:53,753 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:56:54,227 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:56:54,234 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:56:54,245 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:56:54,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:56:54 BoogieIcfgContainer [2023-11-06 22:56:54,248 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:56:54,253 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:56:54,255 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:56:54,259 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:56:54,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:56:53" (1/3) ... [2023-11-06 22:56:54,260 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16664eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:56:54, skipping insertion in model container [2023-11-06 22:56:54,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:53" (2/3) ... [2023-11-06 22:56:54,262 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16664eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:56:54, skipping insertion in model container [2023-11-06 22:56:54,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:56:54" (3/3) ... [2023-11-06 22:56:54,264 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-30.i [2023-11-06 22:56:54,284 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:56:54,285 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:56:54,346 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:56:54,353 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;@7f97a08f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:56:54,354 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:56:54,359 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 49 states have (on average 1.469387755102041) internal successors, (72), 50 states have internal predecessors, (72), 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 22:56:54,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-06 22:56:54,375 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:56:54,376 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] [2023-11-06 22:56:54,377 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:56:54,382 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:56:54,401 INFO L85 PathProgramCache]: Analyzing trace with hash 302735943, now seen corresponding path program 1 times [2023-11-06 22:56:54,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:56:54,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495821196] [2023-11-06 22:56:54,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:56:54,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:56:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:54,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:56:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:54,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:56:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:54,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:56:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:54,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:56:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:54,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:56:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:54,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 22:56:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:54,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:56:54,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:54,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 22:56:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:54,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 22:56:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:54,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-06 22:56:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:54,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-06 22:56:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:54,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 22:56:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:54,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-06 22:56:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:54,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 22:56:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:54,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-06 22:56:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:54,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 22:56:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:54,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-06 22:56:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:54,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-06 22:56:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:54,855 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 22:56:54,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:56:54,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495821196] [2023-11-06 22:56:54,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495821196] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:56:54,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:56:54,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:56:54,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306651369] [2023-11-06 22:56:54,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:56:54,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:56:54,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:56:54,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:56:54,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:56:54,926 INFO L87 Difference]: Start difference. First operand has 70 states, 49 states have (on average 1.469387755102041) internal successors, (72), 50 states have internal predecessors, (72), 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 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (18), 1 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 22:56:54,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:56:54,969 INFO L93 Difference]: Finished difference Result 133 states and 228 transitions. [2023-11-06 22:56:54,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:56:54,973 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (18), 1 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 122 [2023-11-06 22:56:54,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:56:54,981 INFO L225 Difference]: With dead ends: 133 [2023-11-06 22:56:54,981 INFO L226 Difference]: Without dead ends: 66 [2023-11-06 22:56:54,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 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 22:56:54,992 INFO L413 NwaCegarLoop]: 101 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, 101 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 22:56:54,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:56:55,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-06 22:56:55,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-06 22:56:55,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 46 states have (on average 1.4130434782608696) internal successors, (65), 46 states have internal predecessors, (65), 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 22:56:55,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 101 transitions. [2023-11-06 22:56:55,042 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 101 transitions. Word has length 122 [2023-11-06 22:56:55,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:56:55,043 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 101 transitions. [2023-11-06 22:56:55,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (18), 1 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 22:56:55,043 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 101 transitions. [2023-11-06 22:56:55,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-06 22:56:55,047 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:56:55,048 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] [2023-11-06 22:56:55,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:56:55,048 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:56:55,049 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:56:55,049 INFO L85 PathProgramCache]: Analyzing trace with hash -758760749, now seen corresponding path program 1 times [2023-11-06 22:56:55,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:56:55,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310841277] [2023-11-06 22:56:55,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:56:55,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:56:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:55,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:56:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:55,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:56:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:55,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:56:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:55,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:56:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:55,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:56:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:55,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 22:56:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:55,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:56:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:55,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 22:56:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:55,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 22:56:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:55,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-06 22:56:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:55,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-06 22:56:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:55,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 22:56:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:55,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-06 22:56:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:55,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 22:56:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:55,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-06 22:56:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:56,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 22:56:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:56,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-06 22:56:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:56,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-06 22:56:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:56,041 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-06 22:56:56,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:56:56,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310841277] [2023-11-06 22:56:56,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310841277] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:56:56,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692740583] [2023-11-06 22:56:56,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:56:56,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:56:56,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:56:56,052 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:56:56,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:56:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:56,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 22:56:56,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:56:56,560 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 233 proven. 39 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2023-11-06 22:56:56,560 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:56:56,816 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-06 22:56:56,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692740583] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:56:56,821 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:56:56,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2023-11-06 22:56:56,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455248336] [2023-11-06 22:56:56,824 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:56:56,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:56:56,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:56:56,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:56:56,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:56:56,832 INFO L87 Difference]: Start difference. First operand 66 states and 101 transitions. Second operand has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-06 22:56:57,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:56:57,283 INFO L93 Difference]: Finished difference Result 181 states and 274 transitions. [2023-11-06 22:56:57,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:56:57,283 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 122 [2023-11-06 22:56:57,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:56:57,287 INFO L225 Difference]: With dead ends: 181 [2023-11-06 22:56:57,288 INFO L226 Difference]: Without dead ends: 118 [2023-11-06 22:56:57,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 275 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=170, Unknown=0, NotChecked=0, Total=272 [2023-11-06 22:56:57,290 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 202 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:56:57,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 254 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:56:57,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-06 22:56:57,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 112. [2023-11-06 22:56:57,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 82 states have (on average 1.3780487804878048) internal successors, (113), 84 states have internal predecessors, (113), 26 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-06 22:56:57,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 165 transitions. [2023-11-06 22:56:57,341 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 165 transitions. Word has length 122 [2023-11-06 22:56:57,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:56:57,344 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 165 transitions. [2023-11-06 22:56:57,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-06 22:56:57,347 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 165 transitions. [2023-11-06 22:56:57,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-06 22:56:57,356 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:56:57,357 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] [2023-11-06 22:56:57,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:56:57,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:56:57,564 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:56:57,564 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:56:57,564 INFO L85 PathProgramCache]: Analyzing trace with hash -693501510, now seen corresponding path program 1 times [2023-11-06 22:56:57,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:56:57,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118063529] [2023-11-06 22:56:57,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:56:57,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:56:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:57,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:56:57,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:57,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:56:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:57,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:56:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:57,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:56:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:57,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:56:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:57,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 22:56:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:57,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:56:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:57,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 22:56:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:57,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 22:56:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:57,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-06 22:56:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:57,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-06 22:56:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:57,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 22:56:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:57,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-06 22:56:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:57,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 22:56:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:57,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-06 22:56:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:57,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 22:56:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:57,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-06 22:56:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:57,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-06 22:56:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:56:57,967 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 22:56:57,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:56:57,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118063529] [2023-11-06 22:56:57,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118063529] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:56:57,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:56:57,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:56:57,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833364404] [2023-11-06 22:56:57,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:56:57,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:56:57,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:56:57,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:56:57,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:56:57,978 INFO L87 Difference]: Start difference. First operand 112 states and 165 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 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 22:56:58,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:56:58,193 INFO L93 Difference]: Finished difference Result 241 states and 355 transitions. [2023-11-06 22:56:58,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:56:58,194 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 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 124 [2023-11-06 22:56:58,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:56:58,204 INFO L225 Difference]: With dead ends: 241 [2023-11-06 22:56:58,204 INFO L226 Difference]: Without dead ends: 139 [2023-11-06 22:56:58,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=40, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:56:58,210 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 128 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:56:58,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 445 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:56:58,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2023-11-06 22:56:58,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 122. [2023-11-06 22:56:58,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 92 states have (on average 1.4130434782608696) internal successors, (130), 94 states have internal predecessors, (130), 26 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-06 22:56:58,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 182 transitions. [2023-11-06 22:56:58,255 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 182 transitions. Word has length 124 [2023-11-06 22:56:58,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:56:58,256 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 182 transitions. [2023-11-06 22:56:58,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 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 22:56:58,257 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 182 transitions. [2023-11-06 22:56:58,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-06 22:56:58,265 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:56:58,266 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] [2023-11-06 22:56:58,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:56:58,266 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:56:58,267 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:56:58,267 INFO L85 PathProgramCache]: Analyzing trace with hash 2013117884, now seen corresponding path program 1 times [2023-11-06 22:56:58,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:56:58,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101905474] [2023-11-06 22:56:58,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:56:58,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:56:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:56:58,359 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:56:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:56:58,477 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:56:58,477 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:56:58,479 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:56:58,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:56:58,486 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-06 22:56:58,490 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:56:58,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:56:58 BoogieIcfgContainer [2023-11-06 22:56:58,617 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:56:58,618 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:56:58,618 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:56:58,618 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:56:58,619 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:56:54" (3/4) ... [2023-11-06 22:56:58,621 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:56:58,622 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:56:58,623 INFO L158 Benchmark]: Toolchain (without parser) took 5567.89ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 93.4MB in the beginning and 117.8MB in the end (delta: -24.4MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2023-11-06 22:56:58,624 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 127.9MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:56:58,624 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.30ms. Allocated memory is still 127.9MB. Free memory was 93.0MB in the beginning and 79.9MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:56:58,625 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.72ms. Allocated memory is still 127.9MB. Free memory was 79.9MB in the beginning and 77.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:56:58,625 INFO L158 Benchmark]: Boogie Preprocessor took 46.41ms. Allocated memory is still 127.9MB. Free memory was 77.5MB in the beginning and 75.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:56:58,625 INFO L158 Benchmark]: RCFGBuilder took 734.99ms. Allocated memory is still 127.9MB. Free memory was 75.8MB in the beginning and 58.2MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 22:56:58,626 INFO L158 Benchmark]: TraceAbstraction took 4364.32ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 57.7MB in the beginning and 118.8MB in the end (delta: -61.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-06 22:56:58,626 INFO L158 Benchmark]: Witness Printer took 4.56ms. Allocated memory is still 155.2MB. Free memory was 118.8MB in the beginning and 117.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:56:58,629 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 127.9MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.30ms. Allocated memory is still 127.9MB. Free memory was 93.0MB in the beginning and 79.9MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.72ms. Allocated memory is still 127.9MB. Free memory was 79.9MB in the beginning and 77.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.41ms. Allocated memory is still 127.9MB. Free memory was 77.5MB in the beginning and 75.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 734.99ms. Allocated memory is still 127.9MB. Free memory was 75.8MB in the beginning and 58.2MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4364.32ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 57.7MB in the beginning and 118.8MB in the end (delta: -61.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 4.56ms. Allocated memory is still 155.2MB. Free memory was 118.8MB in the beginning and 117.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 130, overapproximation of someBinaryArithmeticDOUBLEoperation at line 90. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] signed short int var_1_2 = -256; [L24] signed long int var_1_3 = 256; [L25] unsigned char var_1_4 = 0; [L26] double var_1_5 = 127.5; [L27] unsigned char var_1_6 = 0; [L28] double var_1_7 = 10000000000000.125; [L29] double var_1_8 = 1.25; [L30] double var_1_9 = 4.125; [L31] double var_1_10 = 25.7; [L32] signed long int var_1_11 = -2; [L33] double var_1_12 = 49.75; [L34] signed long int var_1_13 = 5; [L35] signed long int var_1_14 = 128; [L36] signed long int var_1_15 = 1000; [L37] double var_1_16 = 0.2; [L38] double var_1_17 = 0.25; [L39] double var_1_18 = 99999999999999.5; VAL [isInitial=0, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=-256, var_1_3=256, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L134] isInitial = 1 [L135] FCALL initially() [L136] COND TRUE 1 [L137] FCALL updateLastVariables() [L138] CALL updateVariables() [L96] var_1_2 = __VERIFIER_nondet_short() [L97] CALL assume_abort_if_not(var_1_2 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=256, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=256, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L97] RET assume_abort_if_not(var_1_2 >= -32768) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=256, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L98] CALL assume_abort_if_not(var_1_2 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=256, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=256, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L98] RET assume_abort_if_not(var_1_2 <= 32767) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=256, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L99] var_1_3 = __VERIFIER_nondet_long() [L100] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L100] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L101] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L101] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L102] var_1_4 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L103] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L104] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L104] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L105] var_1_6 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L106] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L107] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L107] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L108] var_1_7 = __VERIFIER_nondet_double() [L109] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=33/8] [L109] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=33/8] [L110] var_1_9 = __VERIFIER_nondet_double() [L111] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L111] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L112] var_1_10 = __VERIFIER_nondet_double() [L113] 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, var_1_10=100000000000004, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L113] 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, var_1_10=100000000000004, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L114] var_1_12 = __VERIFIER_nondet_double() [L115] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L115] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L116] var_1_13 = __VERIFIER_nondet_long() [L117] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L117] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L118] CALL assume_abort_if_not(var_1_13 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L118] RET assume_abort_if_not(var_1_13 <= 2147483646) VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L119] var_1_14 = __VERIFIER_nondet_long() [L120] CALL assume_abort_if_not(var_1_14 >= -2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=2147483646, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=2147483646, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L120] RET assume_abort_if_not(var_1_14 >= -2147483647) VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=2147483646, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L121] CALL assume_abort_if_not(var_1_14 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=2147483646, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=2147483646, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L121] RET assume_abort_if_not(var_1_14 <= 2147483646) VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=2147483646, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L122] var_1_17 = __VERIFIER_nondet_double() [L123] CALL assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=2147483646, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000007, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=2147483646, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000007, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L123] RET assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=2147483646, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000007, var_1_18=199999999999999/2, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L124] var_1_18 = __VERIFIER_nondet_double() [L125] CALL assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=2147483646, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000007, var_1_18=100000000000009, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=2147483646, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000007, var_1_18=100000000000009, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L125] RET assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=2147483646, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000007, var_1_18=100000000000009, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L138] RET updateVariables() [L139] CALL step() [L43] signed long int stepLocal_0 = var_1_2 / ((((-16) < 0 ) ? -(-16) : (-16))); VAL [isInitial=1, stepLocal_0=2047, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=2147483646, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000007, var_1_18=100000000000009, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L44] COND FALSE !(stepLocal_0 >= var_1_3) VAL [isInitial=1, stepLocal_0=2047, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=2147483646, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000007, var_1_18=100000000000009, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L47] signed long int stepLocal_2 = var_1_3; [L48] unsigned char stepLocal_1 = var_1_6; VAL [isInitial=1, stepLocal_0=2047, stepLocal_1=0, stepLocal_2=32754, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=2147483646, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000007, var_1_18=100000000000009, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L49] COND TRUE \read(var_1_1) VAL [isInitial=1, stepLocal_0=2047, stepLocal_1=0, stepLocal_2=32754, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=2147483646, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000007, var_1_18=100000000000009, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L50] COND FALSE !(var_1_2 >= stepLocal_2) [L55] var_1_5 = var_1_7 VAL [isInitial=1, stepLocal_0=2047, stepLocal_1=0, stepLocal_2=32754, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=2147483646, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000007, var_1_18=100000000000009, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=100000000000008, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L58] COND FALSE !(10.55f < var_1_5) VAL [isInitial=1, stepLocal_0=2047, stepLocal_1=0, stepLocal_2=32754, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=2147483646, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000007, var_1_18=100000000000009, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=100000000000008, var_1_6=0, var_1_7=100000000000008, var_1_8=5/4, var_1_9=100000000000005] [L63] COND TRUE var_1_5 > var_1_7 [L64] var_1_8 = var_1_10 VAL [isInitial=1, stepLocal_0=2047, stepLocal_1=0, stepLocal_2=32754, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=2147483646, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000007, var_1_18=100000000000009, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=100000000000008, var_1_6=0, var_1_7=100000000000008, var_1_8=100000000000004, var_1_9=100000000000005] [L69] COND TRUE \read(var_1_1) VAL [isInitial=1, stepLocal_0=2047, stepLocal_1=0, stepLocal_2=32754, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=2147483646, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000007, var_1_18=100000000000009, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=100000000000008, var_1_6=0, var_1_7=100000000000008, var_1_8=100000000000004, var_1_9=100000000000005] [L70] COND FALSE !(((((var_1_9) > (49.75)) ? (var_1_9) : (49.75))) > var_1_12) VAL [isInitial=1, stepLocal_0=2047, stepLocal_1=0, stepLocal_2=32754, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=2147483646, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000007, var_1_18=100000000000009, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=100000000000008, var_1_6=0, var_1_7=100000000000008, var_1_8=100000000000004, var_1_9=100000000000005] [L76] EXPR var_1_3 & var_1_13 VAL [isInitial=1, stepLocal_0=2047, stepLocal_1=0, stepLocal_2=32754, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=2147483646, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000007, var_1_18=100000000000009, var_1_1=1, var_1_2=32753, var_1_3 & var_1_13=0, var_1_3=32754, var_1_4=1, var_1_5=100000000000008, var_1_6=0, var_1_7=100000000000008, var_1_8=100000000000004, var_1_9=100000000000005] [L76] COND FALSE !((- var_1_2) > (var_1_3 & var_1_13)) [L87] var_1_15 = var_1_13 VAL [isInitial=1, stepLocal_0=2047, stepLocal_1=0, stepLocal_2=32754, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=2147483646, var_1_15=0, var_1_16=1/5, var_1_17=100000000000007, var_1_18=100000000000009, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=100000000000008, var_1_6=0, var_1_7=100000000000008, var_1_8=100000000000004, var_1_9=100000000000005] [L89] COND TRUE ((((var_1_12) < (var_1_5)) ? (var_1_12) : (var_1_5))) >= var_1_7 [L90] var_1_16 = (var_1_17 + (var_1_18 + 16.75)) VAL [isInitial=1, stepLocal_0=2047, stepLocal_1=0, stepLocal_2=32754, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=2147483646, var_1_15=0, var_1_17=100000000000007, var_1_18=100000000000009, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=100000000000008, var_1_6=0, var_1_7=100000000000008, var_1_8=100000000000004, var_1_9=100000000000005] [L139] RET step() [L140] CALL, EXPR property() [L130] EXPR ((((((var_1_2 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= var_1_3) ? (var_1_1 == ((unsigned char) var_1_4)) : 1) && (var_1_1 ? ((var_1_2 >= var_1_3) ? ((var_1_6 || (var_1_2 < var_1_3)) ? (var_1_5 == ((double) var_1_7)) : 1) : (var_1_5 == ((double) var_1_7))) : 1)) && ((10.55f < var_1_5) ? ((var_1_5 > (var_1_7 * var_1_9)) ? (var_1_8 == ((double) ((((var_1_7) > (var_1_10)) ? (var_1_7) : (var_1_10))))) : 1) : ((var_1_5 > var_1_7) ? (var_1_8 == ((double) var_1_10)) : (var_1_8 == ((double) var_1_7))))) && (var_1_1 ? ((((((var_1_9) > (49.75)) ? (var_1_9) : (49.75))) > var_1_12) ? (var_1_11 == ((signed long int) ((((var_1_2) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (var_1_2) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))))) : 1) : (var_1_11 == ((signed long int) var_1_2)))) && (((- var_1_2) > (var_1_3 & var_1_13)) ? ((var_1_2 <= 128) ? (var_1_1 ? (var_1_15 == ((signed long int) var_1_14)) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_13))) VAL [((((((var_1_2 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= var_1_3) ? (var_1_1 == ((unsigned char) var_1_4)) : 1) && (var_1_1 ? ((var_1_2 >= var_1_3) ? ((var_1_6 || (var_1_2 < var_1_3)) ? (var_1_5 == ((double) var_1_7)) : 1) : (var_1_5 == ((double) var_1_7))) : 1)) && ((10.55f < var_1_5) ? ((var_1_5 > (var_1_7 * var_1_9)) ? (var_1_8 == ((double) ((((var_1_7) > (var_1_10)) ? (var_1_7) : (var_1_10))))) : 1) : ((var_1_5 > var_1_7) ? (var_1_8 == ((double) var_1_10)) : (var_1_8 == ((double) var_1_7))))) && (var_1_1 ? ((((((var_1_9) > (49.75)) ? (var_1_9) : (49.75))) > var_1_12) ? (var_1_11 == ((signed long int) ((((var_1_2) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (var_1_2) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))))) : 1) : (var_1_11 == ((signed long int) var_1_2)))) && (((- var_1_2) > (var_1_3 & var_1_13)) ? ((var_1_2 <= 128) ? (var_1_1 ? (var_1_15 == ((signed long int) var_1_14)) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_13)))=0, isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=2147483646, var_1_15=0, var_1_17=100000000000007, var_1_18=100000000000009, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=100000000000008, var_1_6=0, var_1_7=100000000000008, var_1_8=100000000000004, var_1_9=100000000000005] [L130-L131] return (((((((var_1_2 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= var_1_3) ? (var_1_1 == ((unsigned char) var_1_4)) : 1) && (var_1_1 ? ((var_1_2 >= var_1_3) ? ((var_1_6 || (var_1_2 < var_1_3)) ? (var_1_5 == ((double) var_1_7)) : 1) : (var_1_5 == ((double) var_1_7))) : 1)) && ((10.55f < var_1_5) ? ((var_1_5 > (var_1_7 * var_1_9)) ? (var_1_8 == ((double) ((((var_1_7) > (var_1_10)) ? (var_1_7) : (var_1_10))))) : 1) : ((var_1_5 > var_1_7) ? (var_1_8 == ((double) var_1_10)) : (var_1_8 == ((double) var_1_7))))) && (var_1_1 ? ((((((var_1_9) > (49.75)) ? (var_1_9) : (49.75))) > var_1_12) ? (var_1_11 == ((signed long int) ((((var_1_2) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (var_1_2) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))))) : 1) : (var_1_11 == ((signed long int) var_1_2)))) && (((- var_1_2) > (var_1_3 & var_1_13)) ? ((var_1_2 <= 128) ? (var_1_1 ? (var_1_15 == ((signed long int) var_1_14)) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_13)))) && ((((((var_1_12) < (var_1_5)) ? (var_1_12) : (var_1_5))) >= var_1_7) ? (var_1_16 == ((double) (var_1_17 + (var_1_18 + 16.75)))) : (var_1_16 == ((double) var_1_17))) ; [L140] RET, EXPR property() [L140] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=2147483646, var_1_15=0, var_1_17=100000000000007, var_1_18=100000000000009, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=100000000000008, var_1_6=0, var_1_7=100000000000008, var_1_8=100000000000004, var_1_9=100000000000005] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_12=100000000000006, var_1_13=0, var_1_14=2147483646, var_1_15=0, var_1_17=100000000000007, var_1_18=100000000000009, var_1_1=1, var_1_2=32753, var_1_3=32754, var_1_4=1, var_1_5=100000000000008, var_1_6=0, var_1_7=100000000000008, var_1_8=100000000000004, var_1_9=100000000000005] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 4, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 339 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 330 mSDsluCounter, 800 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 514 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 301 IncrementalHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 286 mSDtfsCounter, 301 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 394 GetRequests, 369 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred in iteration=3, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 23 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 614 NumberOfCodeBlocks, 614 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 607 ConstructedInterpolants, 0 QuantifiedInterpolants, 1763 SizeOfPredicates, 3 NumberOfNonLiveVariables, 296 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 2943/3060 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 22:56:58,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/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_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/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_a4121ad0-71df-44fe-8b08-ce0e620063fc/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 d10cd0607171a465ff2ca1ce03aa847fdf912d87f8dfda1b118440a87d224724 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:57:01,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:57:01,399 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:57:01,408 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:57:01,411 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:57:01,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:57:01,460 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:57:01,461 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:57:01,462 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:57:01,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:57:01,468 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:57:01,469 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:57:01,469 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:57:01,472 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:57:01,472 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:57:01,473 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:57:01,473 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:57:01,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:57:01,474 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:57:01,475 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:57:01,476 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:57:01,477 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:57:01,477 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:57:01,478 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:57:01,478 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:57:01,478 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:57:01,479 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:57:01,479 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:57:01,480 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:57:01,480 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:57:01,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:57:01,482 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:57:01,482 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:57:01,483 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:57:01,483 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:57:01,483 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:57:01,484 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:57:01,484 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:57:01,484 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:57:01,485 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:57:01,486 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:57:01,486 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:57:01,486 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_a4121ad0-71df-44fe-8b08-ce0e620063fc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d10cd0607171a465ff2ca1ce03aa847fdf912d87f8dfda1b118440a87d224724 [2023-11-06 22:57:01,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:57:01,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:57:01,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:57:01,994 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:57:01,994 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:57:01,996 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-30.i [2023-11-06 22:57:05,345 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:57:05,681 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:57:05,682 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-30.i [2023-11-06 22:57:05,693 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP/data/4cc5e3cd8/85cf60636a3c435dbdf9388e7d649b2e/FLAG1c575ca96 [2023-11-06 22:57:05,707 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP/data/4cc5e3cd8/85cf60636a3c435dbdf9388e7d649b2e [2023-11-06 22:57:05,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:57:05,711 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:57:05,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:57:05,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:57:05,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:57:05,719 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:57:05" (1/1) ... [2023-11-06 22:57:05,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e830928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:05, skipping insertion in model container [2023-11-06 22:57:05,721 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:57:05" (1/1) ... [2023-11-06 22:57:05,756 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:57:05,927 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_a4121ad0-71df-44fe-8b08-ce0e620063fc/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-30.i[917,930] [2023-11-06 22:57:06,006 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:57:06,032 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:57:06,046 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_a4121ad0-71df-44fe-8b08-ce0e620063fc/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-30.i[917,930] [2023-11-06 22:57:06,075 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:57:06,095 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:57:06,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:06 WrapperNode [2023-11-06 22:57:06,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:57:06,098 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:57:06,098 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:57:06,098 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:57:06,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:06" (1/1) ... [2023-11-06 22:57:06,132 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:06" (1/1) ... [2023-11-06 22:57:06,168 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 136 [2023-11-06 22:57:06,169 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:57:06,170 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:57:06,170 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:57:06,170 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:57:06,180 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:06" (1/1) ... [2023-11-06 22:57:06,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:06" (1/1) ... [2023-11-06 22:57:06,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:06" (1/1) ... [2023-11-06 22:57:06,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:06" (1/1) ... [2023-11-06 22:57:06,200 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:06" (1/1) ... [2023-11-06 22:57:06,204 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:06" (1/1) ... [2023-11-06 22:57:06,207 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:06" (1/1) ... [2023-11-06 22:57:06,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:06" (1/1) ... [2023-11-06 22:57:06,215 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:57:06,216 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:57:06,216 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:57:06,216 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:57:06,217 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:06" (1/1) ... [2023-11-06 22:57:06,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:57:06,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:57:06,262 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:57:06,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:57:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:57:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:57:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:57:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:57:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:57:06,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:57:06,411 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:57:06,414 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:57:12,451 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:57:12,458 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:57:12,459 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:57:12,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:57:12 BoogieIcfgContainer [2023-11-06 22:57:12,461 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:57:12,464 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:57:12,464 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:57:12,468 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:57:12,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:57:05" (1/3) ... [2023-11-06 22:57:12,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f91c4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:57:12, skipping insertion in model container [2023-11-06 22:57:12,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:06" (2/3) ... [2023-11-06 22:57:12,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f91c4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:57:12, skipping insertion in model container [2023-11-06 22:57:12,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:57:12" (3/3) ... [2023-11-06 22:57:12,471 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-30.i [2023-11-06 22:57:12,505 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:57:12,505 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:57:12,559 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:57:12,567 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;@5fce6642, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:57:12,567 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:57:12,572 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 43 states have internal predecessors, (60), 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 22:57:12,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-06 22:57:12,587 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:57:12,588 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] [2023-11-06 22:57:12,589 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:57:12,594 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:57:12,595 INFO L85 PathProgramCache]: Analyzing trace with hash 443473077, now seen corresponding path program 1 times [2023-11-06 22:57:12,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:57:12,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [310838599] [2023-11-06 22:57:12,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:57:12,610 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 22:57:12,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:57:12,611 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/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 22:57:12,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/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 22:57:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:13,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:57:13,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:57:13,301 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2023-11-06 22:57:13,302 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:57:13,303 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:57:13,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [310838599] [2023-11-06 22:57:13,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [310838599] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:57:13,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:57:13,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:57:13,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263820033] [2023-11-06 22:57:13,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:57:13,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:57:13,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:57:13,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:57:13,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:57:13,362 INFO L87 Difference]: Start difference. First operand has 63 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 43 states have internal predecessors, (60), 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 18.0) internal successors, (36), 2 states have internal predecessors, (36), 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 22:57:13,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:57:13,392 INFO L93 Difference]: Finished difference Result 119 states and 204 transitions. [2023-11-06 22:57:13,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:57:13,394 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 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 119 [2023-11-06 22:57:13,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:57:13,404 INFO L225 Difference]: With dead ends: 119 [2023-11-06 22:57:13,404 INFO L226 Difference]: Without dead ends: 59 [2023-11-06 22:57:13,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 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 22:57:13,432 INFO L413 NwaCegarLoop]: 89 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, 89 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 22:57:13,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:57:13,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-06 22:57:13,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-11-06 22:57:13,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 39 states have (on average 1.358974358974359) internal successors, (53), 39 states have internal predecessors, (53), 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 22:57:13,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 89 transitions. [2023-11-06 22:57:13,506 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 89 transitions. Word has length 119 [2023-11-06 22:57:13,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:57:13,507 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 89 transitions. [2023-11-06 22:57:13,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 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 22:57:13,509 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 89 transitions. [2023-11-06 22:57:13,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-06 22:57:13,522 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:57:13,522 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] [2023-11-06 22:57:13,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/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 22:57:13,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/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 22:57:13,736 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:57:13,736 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:57:13,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1499049897, now seen corresponding path program 1 times [2023-11-06 22:57:13,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:57:13,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1859650333] [2023-11-06 22:57:13,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:57:13,738 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 22:57:13,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:57:13,740 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/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 22:57:13,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/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 22:57:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:14,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:57:14,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:57:15,836 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 248 proven. 72 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-11-06 22:57:15,836 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:57:16,446 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-06 22:57:16,447 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:57:16,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1859650333] [2023-11-06 22:57:16,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1859650333] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:57:16,449 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:57:16,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 12 [2023-11-06 22:57:16,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522142786] [2023-11-06 22:57:16,454 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:57:16,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:57:16,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:57:16,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:57:16,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:57:16,461 INFO L87 Difference]: Start difference. First operand 59 states and 89 transitions. Second operand has 12 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 3 states have call successors, (31), 3 states have call predecessors, (31), 5 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-06 22:57:20,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:57:22,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:57:24,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:57:26,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:57:28,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:57:28,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:57:28,251 INFO L93 Difference]: Finished difference Result 135 states and 197 transitions. [2023-11-06 22:57:28,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:57:28,252 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 3 states have call successors, (31), 3 states have call predecessors, (31), 5 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 119 [2023-11-06 22:57:28,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:57:28,255 INFO L225 Difference]: With dead ends: 135 [2023-11-06 22:57:28,255 INFO L226 Difference]: Without dead ends: 79 [2023-11-06 22:57:28,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 227 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=153, Invalid=309, Unknown=0, NotChecked=0, Total=462 [2023-11-06 22:57:28,258 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 206 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 95 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:57:28,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 212 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 179 Invalid, 5 Unknown, 0 Unchecked, 11.3s Time] [2023-11-06 22:57:28,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-06 22:57:28,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 74. [2023-11-06 22:57:28,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 49 states have internal predecessors, (59), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-06 22:57:28,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 103 transitions. [2023-11-06 22:57:28,276 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 103 transitions. Word has length 119 [2023-11-06 22:57:28,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:57:28,278 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 103 transitions. [2023-11-06 22:57:28,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 3 states have call successors, (31), 3 states have call predecessors, (31), 5 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-06 22:57:28,278 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 103 transitions. [2023-11-06 22:57:28,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-06 22:57:28,280 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:57:28,281 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] [2023-11-06 22:57:28,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/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 22:57:28,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/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 22:57:28,495 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:57:28,495 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:57:28,496 INFO L85 PathProgramCache]: Analyzing trace with hash -2036560606, now seen corresponding path program 1 times [2023-11-06 22:57:28,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:57:28,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1136520567] [2023-11-06 22:57:28,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:57:28,497 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 22:57:28,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:57:28,498 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/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 22:57:28,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/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 22:57:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:29,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:57:29,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:57:29,169 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 22:57:29,169 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:57:29,169 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:57:29,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1136520567] [2023-11-06 22:57:29,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1136520567] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:57:29,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:57:29,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:57:29,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023247316] [2023-11-06 22:57:29,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:57:29,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:57:29,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:57:29,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:57:29,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:57:29,184 INFO L87 Difference]: Start difference. First operand 74 states and 103 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 22:57:31,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:57:33,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:57:35,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:57:37,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:57:40,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:57:43,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:57:43,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:57:43,819 INFO L93 Difference]: Finished difference Result 179 states and 245 transitions. [2023-11-06 22:57:43,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:57:43,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 121 [2023-11-06 22:57:43,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:57:43,824 INFO L225 Difference]: With dead ends: 179 [2023-11-06 22:57:43,824 INFO L226 Difference]: Without dead ends: 115 [2023-11-06 22:57:43,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:57:43,835 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 44 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:57:43,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 178 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 5 Unknown, 0 Unchecked, 14.6s Time] [2023-11-06 22:57:43,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-11-06 22:57:43,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 112. [2023-11-06 22:57:43,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 75 states have (on average 1.24) internal successors, (93), 77 states have internal predecessors, (93), 30 states have call successors, (30), 6 states have call predecessors, (30), 6 states have return successors, (30), 28 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:57:43,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 153 transitions. [2023-11-06 22:57:43,868 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 153 transitions. Word has length 121 [2023-11-06 22:57:43,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:57:43,871 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 153 transitions. [2023-11-06 22:57:43,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 22:57:43,871 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 153 transitions. [2023-11-06 22:57:43,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-06 22:57:43,875 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:57:43,876 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] [2023-11-06 22:57:43,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/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 22:57:44,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/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 22:57:44,098 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:57:44,099 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:57:44,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1356502236, now seen corresponding path program 1 times [2023-11-06 22:57:44,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:57:44,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [582547720] [2023-11-06 22:57:44,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:57:44,100 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 22:57:44,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:57:44,106 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/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 22:57:44,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4121ad0-71df-44fe-8b08-ce0e620063fc/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 22:57:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:44,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-06 22:57:44,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:59:05,021 WARN L293 SmtUtils]: Spent 23.15s on a formula simplification that was a NOOP. DAG size: 85 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)