./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-7.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_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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_179a5bc9-39da-4945-ac10-c86d525727c8/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 f1648fbf8a6e9a12fa966e41ca01aa2c551b0fd9acc65986e1ec4cee749b3435 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:03:48,636 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:03:48,717 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:03:48,723 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:03:48,725 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:03:48,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:03:48,772 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:03:48,773 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:03:48,774 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:03:48,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:03:48,775 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:03:48,776 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:03:48,776 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:03:48,777 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:03:48,777 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:03:48,778 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:03:48,778 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:03:48,779 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:03:48,779 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:03:48,780 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:03:48,780 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:03:48,781 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:03:48,781 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:03:48,782 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:03:48,782 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:03:48,783 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:03:48,783 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:03:48,784 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:03:48,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:03:48,785 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:03:48,785 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:03:48,785 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:03:48,786 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:03:48,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:03:48,799 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:03:48,800 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:03:48,800 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:03:48,801 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:03:48,801 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:03:48,801 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_179a5bc9-39da-4945-ac10-c86d525727c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1648fbf8a6e9a12fa966e41ca01aa2c551b0fd9acc65986e1ec4cee749b3435 [2023-11-06 22:03:49,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:03:49,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:03:49,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:03:49,130 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:03:49,130 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:03:49,132 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-7.i [2023-11-06 22:03:52,203 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:03:52,447 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:03:52,448 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-7.i [2023-11-06 22:03:52,456 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/data/c170eb3a6/d822ce8f0740488baf82f99aaf9c4796/FLAG1de246375 [2023-11-06 22:03:52,469 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/data/c170eb3a6/d822ce8f0740488baf82f99aaf9c4796 [2023-11-06 22:03:52,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:03:52,473 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:03:52,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:03:52,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:03:52,480 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:03:52,481 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:03:52" (1/1) ... [2023-11-06 22:03:52,482 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb9db59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:52, skipping insertion in model container [2023-11-06 22:03:52,483 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:03:52" (1/1) ... [2023-11-06 22:03:52,519 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:03:52,658 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_179a5bc9-39da-4945-ac10-c86d525727c8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-7.i[912,925] [2023-11-06 22:03:52,699 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:03:52,721 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:03:52,733 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_179a5bc9-39da-4945-ac10-c86d525727c8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-7.i[912,925] [2023-11-06 22:03:52,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:03:52,773 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:03:52,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:52 WrapperNode [2023-11-06 22:03:52,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:03:52,775 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:03:52,776 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:03:52,776 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:03:52,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:52" (1/1) ... [2023-11-06 22:03:52,800 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:52" (1/1) ... [2023-11-06 22:03:52,837 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 97 [2023-11-06 22:03:52,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:03:52,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:03:52,839 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:03:52,839 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:03:52,849 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:52" (1/1) ... [2023-11-06 22:03:52,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:52" (1/1) ... [2023-11-06 22:03:52,852 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:52" (1/1) ... [2023-11-06 22:03:52,853 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:52" (1/1) ... [2023-11-06 22:03:52,861 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:52" (1/1) ... [2023-11-06 22:03:52,865 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:52" (1/1) ... [2023-11-06 22:03:52,868 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:52" (1/1) ... [2023-11-06 22:03:52,869 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:52" (1/1) ... [2023-11-06 22:03:52,873 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:03:52,874 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:03:52,874 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:03:52,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:03:52,875 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:52" (1/1) ... [2023-11-06 22:03:52,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:03:52,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:03:52,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:03:52,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:03:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:03:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:03:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:03:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:03:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:03:52,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:03:53,073 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:03:53,076 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:03:53,418 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:03:53,425 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:03:53,425 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:03:53,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:03:53 BoogieIcfgContainer [2023-11-06 22:03:53,431 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:03:53,434 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:03:53,438 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:03:53,442 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:03:53,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:03:52" (1/3) ... [2023-11-06 22:03:53,445 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63dbc812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:03:53, skipping insertion in model container [2023-11-06 22:03:53,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:52" (2/3) ... [2023-11-06 22:03:53,445 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63dbc812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:03:53, skipping insertion in model container [2023-11-06 22:03:53,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:03:53" (3/3) ... [2023-11-06 22:03:53,447 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-7.i [2023-11-06 22:03:53,475 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:03:53,477 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:03:53,560 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:03:53,569 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;@7fd0c8a6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:03:53,570 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:03:53,575 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 30 states have (on average 1.4) internal successors, (42), 31 states have internal predecessors, (42), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 22:03:53,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-06 22:03:53,589 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:53,591 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:03:53,593 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:53,605 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:53,606 INFO L85 PathProgramCache]: Analyzing trace with hash 533118968, now seen corresponding path program 1 times [2023-11-06 22:03:53,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:53,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189596494] [2023-11-06 22:03:53,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:53,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:53,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:53,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189596494] [2023-11-06 22:03:53,797 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:03:53,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722684448] [2023-11-06 22:03:53,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:53,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:03:53,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:03:53,802 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:03:53,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:03:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:53,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:03:53,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:03:54,018 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2023-11-06 22:03:54,020 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:03:54,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722684448] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:54,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:54,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:03:54,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40099524] [2023-11-06 22:03:54,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:54,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:03:54,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:54,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:03:54,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:03:54,105 INFO L87 Difference]: Start difference. First operand has 45 states, 30 states have (on average 1.4) internal successors, (42), 31 states have internal predecessors, (42), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-06 22:03:54,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:54,133 INFO L93 Difference]: Finished difference Result 83 states and 138 transitions. [2023-11-06 22:03:54,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:03:54,136 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 79 [2023-11-06 22:03:54,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:54,145 INFO L225 Difference]: With dead ends: 83 [2023-11-06 22:03:54,145 INFO L226 Difference]: Without dead ends: 41 [2023-11-06 22:03:54,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 78 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 22:03:54,153 INFO L413 NwaCegarLoop]: 58 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, 58 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 22:03:54,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:03:54,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-06 22:03:54,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-11-06 22:03:54,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 27 states have internal predecessors, (34), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 22:03:54,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 58 transitions. [2023-11-06 22:03:54,200 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 58 transitions. Word has length 79 [2023-11-06 22:03:54,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:54,200 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 58 transitions. [2023-11-06 22:03:54,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-06 22:03:54,201 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2023-11-06 22:03:54,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-06 22:03:54,206 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:54,206 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:03:54,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-06 22:03:54,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:03:54,413 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:54,414 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:54,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1417074868, now seen corresponding path program 1 times [2023-11-06 22:03:54,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:54,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672782243] [2023-11-06 22:03:54,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:54,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:54,518 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:03:54,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [164677948] [2023-11-06 22:03:54,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:54,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:03:54,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:03:54,522 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:03:54,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:03:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:03:54,723 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:03:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:03:54,806 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:03:54,807 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:03:54,808 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:03:54,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:03:55,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:03:55,020 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 22:03:55,023 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:03:55,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:03:55 BoogieIcfgContainer [2023-11-06 22:03:55,094 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:03:55,095 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:03:55,095 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:03:55,096 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:03:55,096 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:03:53" (3/4) ... [2023-11-06 22:03:55,099 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:03:55,100 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:03:55,101 INFO L158 Benchmark]: Toolchain (without parser) took 2627.69ms. Allocated memory is still 169.9MB. Free memory was 139.4MB in the beginning and 74.5MB in the end (delta: 64.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-06 22:03:55,102 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory was 99.0MB in the beginning and 98.9MB in the end (delta: 73.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:03:55,102 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.77ms. Allocated memory is still 169.9MB. Free memory was 139.2MB in the beginning and 131.0MB in the end (delta: 8.2MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2023-11-06 22:03:55,103 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.64ms. Allocated memory is still 169.9MB. Free memory was 131.0MB in the beginning and 128.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:03:55,103 INFO L158 Benchmark]: Boogie Preprocessor took 34.81ms. Allocated memory is still 169.9MB. Free memory was 128.3MB in the beginning and 126.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:03:55,104 INFO L158 Benchmark]: RCFGBuilder took 557.03ms. Allocated memory is still 169.9MB. Free memory was 126.2MB in the beginning and 129.0MB in the end (delta: -2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 22:03:55,105 INFO L158 Benchmark]: TraceAbstraction took 1660.57ms. Allocated memory is still 169.9MB. Free memory was 128.3MB in the beginning and 75.2MB in the end (delta: 53.1MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-06 22:03:55,105 INFO L158 Benchmark]: Witness Printer took 4.87ms. Allocated memory is still 169.9MB. Free memory was 75.2MB in the beginning and 74.5MB in the end (delta: 705.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:03:55,109 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory was 99.0MB in the beginning and 98.9MB in the end (delta: 73.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.77ms. Allocated memory is still 169.9MB. Free memory was 139.2MB in the beginning and 131.0MB in the end (delta: 8.2MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.64ms. Allocated memory is still 169.9MB. Free memory was 131.0MB in the beginning and 128.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.81ms. Allocated memory is still 169.9MB. Free memory was 128.3MB in the beginning and 126.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 557.03ms. Allocated memory is still 169.9MB. Free memory was 126.2MB in the beginning and 129.0MB in the end (delta: -2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1660.57ms. Allocated memory is still 169.9MB. Free memory was 128.3MB in the beginning and 75.2MB in the end (delta: 53.1MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 4.87ms. Allocated memory is still 169.9MB. Free memory was 75.2MB in the beginning and 74.5MB in the end (delta: 705.7kB). 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 someBinaryFLOATComparisonOperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 93. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] float var_1_3 = 8.2; [L24] float var_1_4 = 100000000000.4; [L25] unsigned char var_1_6 = 4; [L26] double var_1_7 = 0.2; [L27] unsigned char var_1_8 = 0; [L28] unsigned short int var_1_9 = 32; [L29] unsigned char var_1_10 = 1; [L30] double var_1_11 = 127.5; [L31] unsigned long int var_1_12 = 5; [L32] double last_1_var_1_7 = 0.2; [L33] unsigned long int last_1_var_1_12 = 5; VAL [isInitial=0, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_3=41/5, var_1_4=500000000002/5, var_1_6=4, var_1_7=1/5, var_1_8=0, var_1_9=32] [L97] isInitial = 1 [L98] FCALL initially() [L99] COND TRUE 1 [L100] CALL updateLastVariables() [L89] last_1_var_1_7 = var_1_7 [L90] last_1_var_1_12 = var_1_12 VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_3=41/5, var_1_4=500000000002/5, var_1_6=4, var_1_7=1/5, var_1_8=0, var_1_9=32] [L100] RET updateLastVariables() [L101] CALL updateVariables() [L68] var_1_3 = __VERIFIER_nondet_float() [L69] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=500000000002/5, var_1_6=4, var_1_7=1/5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=500000000002/5, var_1_6=4, var_1_7=1/5, var_1_8=0, var_1_9=32] [L69] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=500000000002/5, var_1_6=4, var_1_7=1/5, var_1_8=0, var_1_9=32] [L70] var_1_4 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=4, var_1_7=1/5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=4, var_1_7=1/5, var_1_8=0, var_1_9=32] [L71] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=4, var_1_7=1/5, var_1_8=0, var_1_9=32] [L72] var_1_6 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=32] [L73] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=32] [L74] CALL assume_abort_if_not(var_1_6 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=32] [L74] RET assume_abort_if_not(var_1_6 <= 254) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=32] [L75] var_1_8 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=32] [L76] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=32] [L77] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=32] [L77] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=32] [L78] var_1_9 = __VERIFIER_nondet_ushort() [L79] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=2] [L79] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=2] [L80] CALL assume_abort_if_not(var_1_9 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=2] [L80] RET assume_abort_if_not(var_1_9 <= 65535) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=2] [L81] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=2] [L81] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=2] [L82] var_1_10 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=2] [L83] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=2] [L84] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=2] [L84] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=2] [L85] var_1_11 = __VERIFIER_nondet_double() [L86] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=3, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=3, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=2] [L86] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=3, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=2] [L101] RET updateVariables() [L102] CALL step() [L37] COND FALSE !(! (last_1_var_1_7 <= (var_1_3 - var_1_4))) [L44] var_1_1 = var_1_6 VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=3, var_1_12=5, var_1_1=6, var_1_4=2, var_1_6=6, var_1_7=1/5, var_1_8=0, var_1_9=2] [L46] COND FALSE !(var_1_8 || ((var_1_6 / var_1_9) >= var_1_1)) [L53] var_1_7 = var_1_11 VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=3, var_1_12=5, var_1_1=6, var_1_4=2, var_1_6=6, var_1_7=3, var_1_8=0, var_1_9=2] [L55] COND FALSE !(\read(var_1_8)) [L64] var_1_12 = var_1_6 VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=3, var_1_12=6, var_1_1=6, var_1_4=2, var_1_6=6, var_1_7=3, var_1_8=0, var_1_9=2] [L102] RET step() [L103] CALL, EXPR property() [L93-L94] return (((! (last_1_var_1_7 <= (var_1_3 - var_1_4))) ? ((-1 < last_1_var_1_12) ? (var_1_1 == ((unsigned char) var_1_6)) : (var_1_1 == ((unsigned char) var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_8 || ((var_1_6 / var_1_9) >= var_1_1)) ? ((var_1_8 && var_1_10) ? (var_1_7 == ((double) var_1_11)) : (var_1_7 == ((double) var_1_11))) : (var_1_7 == ((double) var_1_11)))) && (var_1_8 ? ((var_1_10 && (var_1_4 <= var_1_7)) ? ((((((var_1_4) > (var_1_11)) ? (var_1_4) : (var_1_11))) > var_1_7) ? (var_1_12 == ((unsigned long int) ((((((3725801564u - var_1_6) - var_1_1)) > (var_1_9)) ? (((3725801564u - var_1_6) - var_1_1)) : (var_1_9))))) : (var_1_12 == ((unsigned long int) var_1_6))) : 1) : (var_1_12 == ((unsigned long int) var_1_6))) ; VAL [\result=0, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=3, var_1_12=6, var_1_1=6, var_1_4=2, var_1_6=6, var_1_7=3, var_1_8=0, var_1_9=2] [L103] RET, EXPR property() [L103] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=3, var_1_12=6, var_1_1=6, var_1_4=2, var_1_6=6, var_1_7=3, var_1_8=0, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=3, var_1_12=6, var_1_1=6, var_1_4=2, var_1_6=6, var_1_7=3, var_1_8=0, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 58 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 237 NumberOfCodeBlocks, 237 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 78 ConstructedInterpolants, 0 QuantifiedInterpolants, 78 SizeOfPredicates, 0 NumberOfNonLiveVariables, 201 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 264/264 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 22:03:55,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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_179a5bc9-39da-4945-ac10-c86d525727c8/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 f1648fbf8a6e9a12fa966e41ca01aa2c551b0fd9acc65986e1ec4cee749b3435 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:03:58,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:03:58,266 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:03:58,276 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:03:58,277 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:03:58,321 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:03:58,322 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:03:58,322 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:03:58,324 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:03:58,329 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:03:58,330 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:03:58,331 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:03:58,332 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:03:58,334 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:03:58,335 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:03:58,335 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:03:58,336 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:03:58,336 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:03:58,336 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:03:58,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:03:58,338 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:03:58,339 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:03:58,339 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:03:58,340 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:03:58,340 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:03:58,341 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:03:58,341 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:03:58,342 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:03:58,342 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:03:58,342 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:03:58,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:03:58,344 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:03:58,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:03:58,345 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:03:58,345 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:03:58,346 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:03:58,346 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:03:58,346 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:03:58,347 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:03:58,348 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:03:58,348 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:03:58,348 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:03:58,349 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_179a5bc9-39da-4945-ac10-c86d525727c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1648fbf8a6e9a12fa966e41ca01aa2c551b0fd9acc65986e1ec4cee749b3435 [2023-11-06 22:03:58,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:03:58,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:03:58,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:03:58,865 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:03:58,865 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:03:58,868 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-7.i [2023-11-06 22:04:02,088 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:04:02,370 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:04:02,373 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-7.i [2023-11-06 22:04:02,386 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/data/404d836de/5e9aa61b1bb141688794ed8ce2b345f5/FLAG1d5d88726 [2023-11-06 22:04:02,406 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/data/404d836de/5e9aa61b1bb141688794ed8ce2b345f5 [2023-11-06 22:04:02,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:04:02,413 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:04:02,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:04:02,419 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:04:02,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:04:02,425 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:04:02" (1/1) ... [2023-11-06 22:04:02,426 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b774522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:04:02, skipping insertion in model container [2023-11-06 22:04:02,427 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:04:02" (1/1) ... [2023-11-06 22:04:02,463 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:04:02,669 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-7.i[912,925] [2023-11-06 22:04:02,737 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:04:02,766 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:04:02,784 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_179a5bc9-39da-4945-ac10-c86d525727c8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-7.i[912,925] [2023-11-06 22:04:02,825 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:04:02,849 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:04:02,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:04:02 WrapperNode [2023-11-06 22:04:02,850 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:04:02,852 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:04:02,853 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:04:02,853 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:04:02,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:04:02" (1/1) ... [2023-11-06 22:04:02,887 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:04:02" (1/1) ... [2023-11-06 22:04:02,933 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 97 [2023-11-06 22:04:02,935 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:04:02,936 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:04:02,936 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:04:02,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:04:02,946 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:04:02" (1/1) ... [2023-11-06 22:04:02,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:04:02" (1/1) ... [2023-11-06 22:04:02,953 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:04:02" (1/1) ... [2023-11-06 22:04:02,954 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:04:02" (1/1) ... [2023-11-06 22:04:02,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:04:02" (1/1) ... [2023-11-06 22:04:02,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:04:02" (1/1) ... [2023-11-06 22:04:02,974 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:04:02" (1/1) ... [2023-11-06 22:04:02,988 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:04:02" (1/1) ... [2023-11-06 22:04:02,993 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:04:02,998 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:04:03,003 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:04:03,003 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:04:03,004 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:04:02" (1/1) ... [2023-11-06 22:04:03,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:04:03,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:04:03,040 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:04:03,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:04:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:04:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:04:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:04:03,080 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:04:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:04:03,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:04:03,170 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:04:03,187 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:04:04,713 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:04:04,731 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:04:04,731 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:04:04,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:04:04 BoogieIcfgContainer [2023-11-06 22:04:04,734 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:04:04,736 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:04:04,736 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:04:04,740 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:04:04,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:04:02" (1/3) ... [2023-11-06 22:04:04,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dda4f8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:04:04, skipping insertion in model container [2023-11-06 22:04:04,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:04:02" (2/3) ... [2023-11-06 22:04:04,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dda4f8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:04:04, skipping insertion in model container [2023-11-06 22:04:04,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:04:04" (3/3) ... [2023-11-06 22:04:04,746 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-7.i [2023-11-06 22:04:04,764 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:04:04,765 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:04:04,826 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:04:04,833 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;@37deacfb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:04:04,834 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:04:04,839 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 30 states have (on average 1.4) internal successors, (42), 31 states have internal predecessors, (42), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 22:04:04,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-06 22:04:04,857 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:04,858 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:04:04,861 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:04:04,870 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:04,871 INFO L85 PathProgramCache]: Analyzing trace with hash 533118968, now seen corresponding path program 1 times [2023-11-06 22:04:04,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:04:04,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [859790321] [2023-11-06 22:04:04,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:04,890 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 22:04:04,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:04:04,897 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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 22:04:04,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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 22:04:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:05,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:04:05,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:04:05,301 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2023-11-06 22:04:05,302 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:04:05,303 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:04:05,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [859790321] [2023-11-06 22:04:05,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [859790321] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:05,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:05,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:04:05,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049064544] [2023-11-06 22:04:05,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:05,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:04:05,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:04:05,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:04:05,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:04:05,358 INFO L87 Difference]: Start difference. First operand has 45 states, 30 states have (on average 1.4) internal successors, (42), 31 states have internal predecessors, (42), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-06 22:04:05,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:04:05,400 INFO L93 Difference]: Finished difference Result 83 states and 138 transitions. [2023-11-06 22:04:05,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:04:05,402 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 79 [2023-11-06 22:04:05,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:04:05,412 INFO L225 Difference]: With dead ends: 83 [2023-11-06 22:04:05,412 INFO L226 Difference]: Without dead ends: 41 [2023-11-06 22:04:05,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 78 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 22:04:05,444 INFO L413 NwaCegarLoop]: 58 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, 58 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 22:04:05,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:04:05,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-06 22:04:05,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-11-06 22:04:05,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 27 states have internal predecessors, (34), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 22:04:05,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 58 transitions. [2023-11-06 22:04:05,504 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 58 transitions. Word has length 79 [2023-11-06 22:04:05,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:04:05,505 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 58 transitions. [2023-11-06 22:04:05,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-06 22:04:05,506 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2023-11-06 22:04:05,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-06 22:04:05,513 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:05,513 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:04:05,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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 22:04:05,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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 22:04:05,727 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:04:05,728 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:05,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1417074868, now seen corresponding path program 1 times [2023-11-06 22:04:05,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:04:05,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [211398403] [2023-11-06 22:04:05,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:05,729 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 22:04:05,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:04:05,731 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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 22:04:05,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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 22:04:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:06,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:04:06,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:04:30,787 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-06 22:04:30,787 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:04:30,787 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:04:30,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [211398403] [2023-11-06 22:04:30,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [211398403] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:30,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:30,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:04:30,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039321639] [2023-11-06 22:04:30,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:30,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:04:30,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:04:30,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:04:30,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:04:30,796 INFO L87 Difference]: Start difference. First operand 41 states and 58 transitions. Second operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:04:37,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:04:37,005 INFO L93 Difference]: Finished difference Result 135 states and 189 transitions. [2023-11-06 22:04:37,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-06 22:04:37,010 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 79 [2023-11-06 22:04:37,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:04:37,014 INFO L225 Difference]: With dead ends: 135 [2023-11-06 22:04:37,014 INFO L226 Difference]: Without dead ends: 97 [2023-11-06 22:04:37,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=154, Invalid=446, Unknown=0, NotChecked=0, Total=600 [2023-11-06 22:04:37,017 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 100 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:04:37,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 233 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-11-06 22:04:37,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-06 22:04:37,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 58. [2023-11-06 22:04:37,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 40 states have (on average 1.175) internal successors, (47), 41 states have internal predecessors, (47), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-06 22:04:37,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 75 transitions. [2023-11-06 22:04:37,039 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 75 transitions. Word has length 79 [2023-11-06 22:04:37,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:04:37,040 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 75 transitions. [2023-11-06 22:04:37,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:04:37,041 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2023-11-06 22:04:37,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-06 22:04:37,043 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:37,043 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:04:37,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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 22:04:37,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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 22:04:37,261 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:04:37,261 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:37,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1809173135, now seen corresponding path program 1 times [2023-11-06 22:04:37,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:04:37,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1267372216] [2023-11-06 22:04:37,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:37,263 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 22:04:37,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:04:37,264 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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 22:04:37,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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 22:04:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:37,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:04:37,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:04:37,571 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-06 22:04:37,572 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:04:37,572 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:04:37,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1267372216] [2023-11-06 22:04:37,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1267372216] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:37,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:37,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:04:37,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044251935] [2023-11-06 22:04:37,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:37,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:04:37,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:04:37,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:04:37,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:04:37,576 INFO L87 Difference]: Start difference. First operand 58 states and 75 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:04:37,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:04:37,846 INFO L93 Difference]: Finished difference Result 132 states and 167 transitions. [2023-11-06 22:04:37,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:04:37,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 80 [2023-11-06 22:04:37,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:04:37,851 INFO L225 Difference]: With dead ends: 132 [2023-11-06 22:04:37,851 INFO L226 Difference]: Without dead ends: 82 [2023-11-06 22:04:37,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 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 22:04:37,854 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 26 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:04:37,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 121 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:04:37,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-06 22:04:37,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2023-11-06 22:04:37,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 57 states have internal predecessors, (63), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-06 22:04:37,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 99 transitions. [2023-11-06 22:04:37,875 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 99 transitions. Word has length 80 [2023-11-06 22:04:37,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:04:37,876 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 99 transitions. [2023-11-06 22:04:37,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:04:37,877 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 99 transitions. [2023-11-06 22:04:37,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-06 22:04:37,878 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:04:37,879 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:04:37,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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 22:04:38,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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 22:04:38,083 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:04:38,084 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:38,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1866431437, now seen corresponding path program 1 times [2023-11-06 22:04:38,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:04:38,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [46146126] [2023-11-06 22:04:38,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:38,085 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 22:04:38,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:04:38,087 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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 22:04:38,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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 22:04:38,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:38,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:04:38,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:04:57,898 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-06 22:04:57,898 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:04:57,898 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:04:57,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [46146126] [2023-11-06 22:04:57,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [46146126] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:57,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:57,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:04:57,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533309984] [2023-11-06 22:04:57,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:57,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:04:57,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:04:57,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:04:57,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:04:57,902 INFO L87 Difference]: Start difference. First operand 79 states and 99 transitions. Second operand has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 10 states have internal predecessors, (26), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:05:04,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:05:04,686 INFO L93 Difference]: Finished difference Result 113 states and 148 transitions. [2023-11-06 22:05:04,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-06 22:05:04,691 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 10 states have internal predecessors, (26), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 80 [2023-11-06 22:05:04,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:05:04,693 INFO L225 Difference]: With dead ends: 113 [2023-11-06 22:05:04,694 INFO L226 Difference]: Without dead ends: 111 [2023-11-06 22:05:04,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2023-11-06 22:05:04,696 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 97 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:05:04,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 237 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2023-11-06 22:05:04,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-06 22:05:04,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 76. [2023-11-06 22:05:04,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 52 states have (on average 1.1346153846153846) internal successors, (59), 54 states have internal predecessors, (59), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-06 22:05:04,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 95 transitions. [2023-11-06 22:05:04,718 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 95 transitions. Word has length 80 [2023-11-06 22:05:04,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:05:04,719 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 95 transitions. [2023-11-06 22:05:04,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 10 states have internal predecessors, (26), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:05:04,720 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 95 transitions. [2023-11-06 22:05:04,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 22:05:04,721 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:05:04,721 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:05:04,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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)] Forceful destruction successful, exit code 0 [2023-11-06 22:05:04,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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 22:05:04,937 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:05:04,938 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:04,938 INFO L85 PathProgramCache]: Analyzing trace with hash -155695824, now seen corresponding path program 1 times [2023-11-06 22:05:04,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:05:04,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1124102201] [2023-11-06 22:05:04,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:04,939 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 22:05:04,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:05:04,941 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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 22:05:04,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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 (6)] Waiting until timeout for monitored process [2023-11-06 22:05:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:05,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-06 22:05:05,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:05:20,267 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-06 22:05:20,267 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:05:20,268 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:05:20,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1124102201] [2023-11-06 22:05:20,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1124102201] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:20,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:05:20,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:05:20,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026526484] [2023-11-06 22:05:20,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:20,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:05:20,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:05:20,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:05:20,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:05:20,272 INFO L87 Difference]: Start difference. First operand 76 states and 95 transitions. Second operand has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:05:38,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:05:38,590 INFO L93 Difference]: Finished difference Result 145 states and 186 transitions. [2023-11-06 22:05:38,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-06 22:05:38,601 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 81 [2023-11-06 22:05:38,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:05:38,603 INFO L225 Difference]: With dead ends: 145 [2023-11-06 22:05:38,603 INFO L226 Difference]: Without dead ends: 143 [2023-11-06 22:05:38,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=181, Invalid=521, Unknown=0, NotChecked=0, Total=702 [2023-11-06 22:05:38,605 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 136 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:05:38,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 284 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2023-11-06 22:05:38,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-11-06 22:05:38,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 89. [2023-11-06 22:05:38,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 63 states have (on average 1.1428571428571428) internal successors, (72), 66 states have internal predecessors, (72), 19 states have call successors, (19), 6 states have call predecessors, (19), 6 states have return successors, (19), 16 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 22:05:38,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 110 transitions. [2023-11-06 22:05:38,628 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 110 transitions. Word has length 81 [2023-11-06 22:05:38,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:05:38,629 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 110 transitions. [2023-11-06 22:05:38,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:05:38,630 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 110 transitions. [2023-11-06 22:05:38,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 22:05:38,632 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:05:38,632 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:05:38,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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 (6)] Ended with exit code 0 [2023-11-06 22:05:38,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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 22:05:38,848 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:05:38,849 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:38,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1619311538, now seen corresponding path program 1 times [2023-11-06 22:05:38,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:05:38,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2008870177] [2023-11-06 22:05:38,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:38,850 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 22:05:38,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:05:38,851 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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 22:05:38,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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 (7)] Waiting until timeout for monitored process [2023-11-06 22:05:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:39,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:05:39,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:05:45,735 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-06 22:05:45,736 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:05:45,736 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:05:45,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2008870177] [2023-11-06 22:05:45,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2008870177] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:45,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:05:45,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:05:45,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187114919] [2023-11-06 22:05:45,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:45,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:05:45,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:05:45,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:05:45,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:05:45,739 INFO L87 Difference]: Start difference. First operand 89 states and 110 transitions. Second operand has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:05:52,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:05:52,830 INFO L93 Difference]: Finished difference Result 217 states and 275 transitions. [2023-11-06 22:05:52,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-06 22:05:52,836 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 81 [2023-11-06 22:05:52,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:05:52,838 INFO L225 Difference]: With dead ends: 217 [2023-11-06 22:05:52,838 INFO L226 Difference]: Without dead ends: 136 [2023-11-06 22:05:52,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=181, Invalid=521, Unknown=0, NotChecked=0, Total=702 [2023-11-06 22:05:52,840 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 111 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:05:52,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 259 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-11-06 22:05:52,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-11-06 22:05:52,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 91. [2023-11-06 22:05:52,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 65 states have (on average 1.1076923076923078) internal successors, (72), 68 states have internal predecessors, (72), 19 states have call successors, (19), 6 states have call predecessors, (19), 6 states have return successors, (19), 16 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 22:05:52,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 110 transitions. [2023-11-06 22:05:52,864 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 110 transitions. Word has length 81 [2023-11-06 22:05:52,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:05:52,865 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 110 transitions. [2023-11-06 22:05:52,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:05:52,866 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 110 transitions. [2023-11-06 22:05:52,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-06 22:05:52,867 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:05:52,867 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:05:52,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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 (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:05:53,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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 22:05:53,071 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:05:53,072 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:53,072 INFO L85 PathProgramCache]: Analyzing trace with hash -768087066, now seen corresponding path program 1 times [2023-11-06 22:05:53,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:05:53,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1917165364] [2023-11-06 22:05:53,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:53,073 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 22:05:53,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:05:53,083 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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 22:05:53,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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 (8)] Waiting until timeout for monitored process [2023-11-06 22:05:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:53,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-06 22:05:53,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:10,841 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-06 22:06:10,842 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:06:10,842 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:06:10,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1917165364] [2023-11-06 22:06:10,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1917165364] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:10,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:10,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:06:10,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499047573] [2023-11-06 22:06:10,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:10,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:06:10,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:06:10,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:06:10,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:06:10,844 INFO L87 Difference]: Start difference. First operand 91 states and 110 transitions. Second operand has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 11 states have internal predecessors, (28), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:06:39,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:39,240 INFO L93 Difference]: Finished difference Result 224 states and 278 transitions. [2023-11-06 22:06:39,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-06 22:06:39,248 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 11 states have internal predecessors, (28), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 82 [2023-11-06 22:06:39,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:39,248 INFO L225 Difference]: With dead ends: 224 [2023-11-06 22:06:39,248 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:06:39,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 20.5s TimeCoverageRelationStatistics Valid=171, Invalid=531, Unknown=0, NotChecked=0, Total=702 [2023-11-06 22:06:39,250 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 116 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:39,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 274 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 13.8s Time] [2023-11-06 22:06:39,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:06:39,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:06:39,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:39,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:06:39,252 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2023-11-06 22:06:39,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:39,253 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:06:39,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 11 states have internal predecessors, (28), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:06:39,253 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:06:39,253 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:06:39,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:06:39,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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 (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:39,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/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 22:06:39,469 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:06:52,331 INFO L899 garLoopResultBuilder]: For program point L56(lines 56 62) no Hoare annotation was computed. [2023-11-06 22:06:52,331 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-06 22:06:52,331 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-06 22:06:52,331 INFO L899 garLoopResultBuilder]: For program point L81(line 81) no Hoare annotation was computed. [2023-11-06 22:06:52,332 INFO L895 garLoopResultBuilder]: At program point L19-3(line 19) the Hoare annotation is: (let ((.cse0 (let ((.cse4 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse5 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode .cse4)) (fp.geq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode .cse5))) (and (fp.geq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse4))) (fp.leq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse5))))))) (.cse1 (= ~var_1_1~0 ~var_1_6~0)) (.cse2 (= ~var_1_11~0 ~var_1_7~0)) (.cse3 (= currentRoundingMode roundNearestTiesToEven))) (or (and (not (= ~var_1_8~0 (_ bv0 8))) .cse0 .cse1 .cse2 .cse3) (and (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) (= |ULTIMATE.start_property_#res#1| (_ bv1 32)) .cse0 (= ((_ zero_extend 24) ~var_1_6~0) ~var_1_12~0) .cse1 .cse2 .cse3))) [2023-11-06 22:06:52,332 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2023-11-06 22:06:52,333 INFO L895 garLoopResultBuilder]: At program point L73(line 73) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-06 22:06:52,333 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 96 107) the Hoare annotation is: false [2023-11-06 22:06:52,333 INFO L895 garLoopResultBuilder]: At program point L73-1(line 73) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-06 22:06:52,333 INFO L895 garLoopResultBuilder]: At program point L69(line 69) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-06 22:06:52,334 INFO L899 garLoopResultBuilder]: For program point L69-1(line 69) no Hoare annotation was computed. [2023-11-06 22:06:52,334 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 66) no Hoare annotation was computed. [2023-11-06 22:06:52,334 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:06:52,334 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:06:52,334 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 61) no Hoare annotation was computed. [2023-11-06 22:06:52,334 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-06 22:06:52,335 INFO L895 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: (= currentRoundingMode roundNearestTiesToEven) [2023-11-06 22:06:52,335 INFO L899 garLoopResultBuilder]: For program point L86-1(lines 67 87) no Hoare annotation was computed. [2023-11-06 22:06:52,335 INFO L895 garLoopResultBuilder]: At program point property_returnLabel#1(lines 92 95) the Hoare annotation is: (let ((.cse5 (not (= ~var_1_8~0 (_ bv0 8)))) (.cse0 (= |ULTIMATE.start_property_#res#1| (_ bv1 32))) (.cse1 (let ((.cse6 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse7 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode .cse6)) (fp.geq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode .cse7))) (and (fp.geq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse6))) (fp.leq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse7))))))) (.cse2 (= ~var_1_1~0 ~var_1_6~0)) (.cse3 (= ~var_1_11~0 ~var_1_7~0)) (.cse4 (= currentRoundingMode roundNearestTiesToEven))) (or (and .cse0 .cse1 (= ((_ zero_extend 24) ~var_1_6~0) ~var_1_12~0) .cse2 .cse3 .cse4) (and .cse5 (= ~var_1_10~0 (_ bv0 8)) .cse0 .cse1 .cse2 .cse3 .cse4) (and (not (fp.leq ((_ to_fp 11 53) currentRoundingMode ~var_1_4~0) ~var_1_7~0)) .cse5 .cse0 .cse1 .cse2 .cse3 .cse4))) [2023-11-06 22:06:52,336 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2023-11-06 22:06:52,336 INFO L899 garLoopResultBuilder]: For program point L37(lines 37 45) no Hoare annotation was computed. [2023-11-06 22:06:52,336 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 36 66) no Hoare annotation was computed. [2023-11-06 22:06:52,336 INFO L895 garLoopResultBuilder]: At program point L99-2(lines 99 105) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-06 22:06:52,336 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:06:52,337 INFO L899 garLoopResultBuilder]: For program point L99-3(lines 99 105) no Hoare annotation was computed. [2023-11-06 22:06:52,337 INFO L895 garLoopResultBuilder]: At program point L83(line 83) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-06 22:06:52,337 INFO L895 garLoopResultBuilder]: At program point L83-1(line 83) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-06 22:06:52,338 INFO L895 garLoopResultBuilder]: At program point L79(line 79) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-06 22:06:52,338 INFO L895 garLoopResultBuilder]: At program point L79-1(line 79) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-06 22:06:52,338 INFO L899 garLoopResultBuilder]: For program point L46(lines 36 66) no Hoare annotation was computed. [2023-11-06 22:06:52,338 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:06:52,338 INFO L895 garLoopResultBuilder]: At program point L71(line 71) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-06 22:06:52,339 INFO L899 garLoopResultBuilder]: For program point L71-1(line 71) no Hoare annotation was computed. [2023-11-06 22:06:52,339 INFO L899 garLoopResultBuilder]: For program point L38(lines 38 42) no Hoare annotation was computed. [2023-11-06 22:06:52,339 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 35) no Hoare annotation was computed. [2023-11-06 22:06:52,339 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 91) no Hoare annotation was computed. [2023-11-06 22:06:52,339 INFO L899 garLoopResultBuilder]: For program point L84(line 84) no Hoare annotation was computed. [2023-11-06 22:06:52,340 INFO L895 garLoopResultBuilder]: At program point L80(line 80) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-06 22:06:52,340 INFO L899 garLoopResultBuilder]: For program point L47(lines 47 51) no Hoare annotation was computed. [2023-11-06 22:06:52,340 INFO L895 garLoopResultBuilder]: At program point L76(line 76) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-06 22:06:52,340 INFO L895 garLoopResultBuilder]: At program point L76-1(line 76) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-06 22:06:52,341 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-06 22:06:52,341 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-11-06 22:06:52,341 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-11-06 22:06:52,341 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-06 22:06:52,344 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:52,346 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:06:52,364 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:06:52,367 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:06:52,367 ERROR L462 ceAbstractionStarter]: Failed to backtranslate (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_11~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-06 22:06:52,369 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:06:52,370 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:06:52,371 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:06:52,377 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:06:52,379 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:06:52,389 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:06:52,391 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:06:52,391 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:06:52,392 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:06:52,392 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:06:52,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:06:52 BoogieIcfgContainer [2023-11-06 22:06:52,393 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:06:52,393 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:06:52,394 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:06:52,394 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:06:52,394 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:04:04" (3/4) ... [2023-11-06 22:06:52,396 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:06:52,404 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-06 22:06:52,409 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-06 22:06:52,412 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 22:06:52,412 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:06:52,412 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:06:52,444 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1) && (var_1_6 == var_1_12)) && (var_1_1 == var_1_6)) && (var_1_11 == var_1_7)) || ((((!((var_1_8 == 0)) && (var_1_10 == 0)) && (\result == 1)) && (var_1_1 == var_1_6)) && (var_1_11 == var_1_7))) || (((!((var_1_8 == 0)) && (\result == 1)) && (var_1_1 == var_1_6)) && (var_1_11 == var_1_7))) [2023-11-06 22:06:52,444 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!((var_1_8 == 0)) && (var_1_1 == var_1_6)) && (var_1_11 == var_1_7)) || (((((cond == 1) && (\result == 1)) && (var_1_6 == var_1_12)) && (var_1_1 == var_1_6)) && (var_1_11 == var_1_7))) [2023-11-06 22:06:52,479 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1) && (var_1_6 == var_1_12)) && (var_1_1 == var_1_6)) && (var_1_11 == var_1_7)) || ((((!((var_1_8 == 0)) && (var_1_10 == 0)) && (\result == 1)) && (var_1_1 == var_1_6)) && (var_1_11 == var_1_7))) || (((!((var_1_8 == 0)) && (\result == 1)) && (var_1_1 == var_1_6)) && (var_1_11 == var_1_7))) [2023-11-06 22:06:52,479 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!((var_1_8 == 0)) && (var_1_1 == var_1_6)) && (var_1_11 == var_1_7)) || (((((cond == 1) && (\result == 1)) && (var_1_6 == var_1_12)) && (var_1_1 == var_1_6)) && (var_1_11 == var_1_7))) [2023-11-06 22:06:52,490 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:06:52,491 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:06:52,491 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:06:52,492 INFO L158 Benchmark]: Toolchain (without parser) took 170078.59ms. Allocated memory was 102.8MB in the beginning and 597.7MB in the end (delta: 494.9MB). Free memory was 78.5MB in the beginning and 341.3MB in the end (delta: -262.8MB). Peak memory consumption was 233.3MB. Max. memory is 16.1GB. [2023-11-06 22:06:52,492 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 71.3MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:06:52,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.32ms. Allocated memory is still 102.8MB. Free memory was 78.3MB in the beginning and 65.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:06:52,493 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.87ms. Allocated memory is still 102.8MB. Free memory was 65.6MB in the beginning and 63.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:06:52,493 INFO L158 Benchmark]: Boogie Preprocessor took 61.82ms. Allocated memory is still 102.8MB. Free memory was 63.7MB in the beginning and 61.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:06:52,494 INFO L158 Benchmark]: RCFGBuilder took 1735.47ms. Allocated memory is still 102.8MB. Free memory was 61.9MB in the beginning and 73.0MB in the end (delta: -11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 22:06:52,495 INFO L158 Benchmark]: TraceAbstraction took 167656.84ms. Allocated memory was 102.8MB in the beginning and 597.7MB in the end (delta: 494.9MB). Free memory was 72.3MB in the beginning and 345.5MB in the end (delta: -273.2MB). Peak memory consumption was 222.8MB. Max. memory is 16.1GB. [2023-11-06 22:06:52,495 INFO L158 Benchmark]: Witness Printer took 97.63ms. Allocated memory is still 597.7MB. Free memory was 345.5MB in the beginning and 341.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:06:52,499 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 71.3MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.32ms. Allocated memory is still 102.8MB. Free memory was 78.3MB in the beginning and 65.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.87ms. Allocated memory is still 102.8MB. Free memory was 65.6MB in the beginning and 63.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.82ms. Allocated memory is still 102.8MB. Free memory was 63.7MB in the beginning and 61.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1735.47ms. Allocated memory is still 102.8MB. Free memory was 61.9MB in the beginning and 73.0MB in the end (delta: -11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 167656.84ms. Allocated memory was 102.8MB in the beginning and 597.7MB in the end (delta: 494.9MB). Free memory was 72.3MB in the beginning and 345.5MB in the end (delta: -273.2MB). Peak memory consumption was 222.8MB. Max. memory is 16.1GB. * Witness Printer took 97.63ms. Allocated memory is still 597.7MB. Free memory was 345.5MB in the beginning and 341.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 167.5s, OverallIterations: 7, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 67.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 658 SdHoareTripleChecker+Valid, 39.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 586 mSDsluCounter, 1466 SdHoareTripleChecker+Invalid, 37.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1018 mSDsCounter, 138 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2291 IncrementalHoareTripleChecker+Invalid, 2429 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 138 mSolverCounterUnsat, 448 mSDtfsCounter, 2291 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 634 GetRequests, 512 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 619 ImplicationChecksByTransitivity, 38.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=91occurred in iteration=6, InterpolantAutomatonStates: 122, 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, 7 MinimizatonAttempts, 176 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 118 PreInvPairs, 163 NumberOfFragments, 710 HoareAnnotationTreeSize, 118 FomulaSimplifications, 56518 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 17 FomulaSimplificationsInter, 10154 FormulaSimplificationTreeSizeReductionInter, 12.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 83.6s InterpolantComputationTime, 562 NumberOfCodeBlocks, 562 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 555 ConstructedInterpolants, 0 QuantifiedInterpolants, 2573 SizeOfPredicates, 70 NumberOfNonLiveVariables, 951 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 1848/1848 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant [2023-11-06 22:06:52,525 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:06:52,527 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated Derived loop invariant: NULL - InvariantResult [Line: 92]: Loop Invariant [2023-11-06 22:06:52,529 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:06:52,529 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:06:52,529 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:06:52,530 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:06:52,531 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:06:52,531 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated Derived loop invariant: ((((((\result == 1) && (var_1_6 == var_1_12)) && (var_1_1 == var_1_6)) && (var_1_11 == var_1_7)) || ((((!((var_1_8 == 0)) && (var_1_10 == 0)) && (\result == 1)) && (var_1_1 == var_1_6)) && (var_1_11 == var_1_7))) || (((!((var_1_8 == 0)) && (\result == 1)) && (var_1_1 == var_1_6)) && (var_1_11 == var_1_7))) - InvariantResult [Line: 19]: Loop Invariant [2023-11-06 22:06:52,532 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:06:52,532 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:06:52,533 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:06:52,533 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated Derived loop invariant: (((!((var_1_8 == 0)) && (var_1_1 == var_1_6)) && (var_1_11 == var_1_7)) || (((((cond == 1) && (\result == 1)) && (var_1_6 == var_1_12)) && (var_1_1 == var_1_6)) && (var_1_11 == var_1_7))) RESULT: Ultimate proved your program to be correct! [2023-11-06 22:06:52,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179a5bc9-39da-4945-ac10-c86d525727c8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE