./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-76.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --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 dcd8b7c9719c9e124f88c0306e66fdc794df6c79afaa727af6840898442d18a1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:13:59,020 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:13:59,073 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 14:13:59,077 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:13:59,077 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:13:59,098 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:13:59,098 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:13:59,098 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:13:59,099 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:13:59,099 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:13:59,099 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:13:59,099 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:13:59,099 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:13:59,099 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:13:59,099 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:13:59,100 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:13:59,100 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:13:59,100 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:13:59,100 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:13:59,100 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:13:59,100 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:13:59,100 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:13:59,100 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:13:59,100 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:13:59,100 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:13:59,100 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:13:59,101 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:13:59,101 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:13:59,101 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:13:59,101 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:13:59,101 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:13:59,101 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:13:59,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:13:59,101 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:13:59,101 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:13:59,102 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:13:59,102 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:13:59,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:13:59,102 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:13:59,102 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:13:59,102 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:13:59,102 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:13:59,102 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:13:59,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:13:59,103 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:13:59,103 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:13:59,103 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:13:59,103 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:13:59,103 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> dcd8b7c9719c9e124f88c0306e66fdc794df6c79afaa727af6840898442d18a1 [2024-12-02 14:13:59,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:13:59,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:13:59,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:13:59,327 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:13:59,327 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:13:59,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-76.i [2024-12-02 14:14:01,980 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/data/c7c5f80d7/fa66ca2d218144f4993137cce15c0155/FLAG8afa34af6 [2024-12-02 14:14:02,207 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:14:02,207 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-76.i [2024-12-02 14:14:02,215 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/data/c7c5f80d7/fa66ca2d218144f4993137cce15c0155/FLAG8afa34af6 [2024-12-02 14:14:02,230 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/data/c7c5f80d7/fa66ca2d218144f4993137cce15c0155 [2024-12-02 14:14:02,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:14:02,234 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:14:02,235 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:14:02,235 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:14:02,239 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:14:02,240 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:14:02" (1/1) ... [2024-12-02 14:14:02,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e328e03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:02, skipping insertion in model container [2024-12-02 14:14:02,241 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:14:02" (1/1) ... [2024-12-02 14:14:02,257 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:14:02,393 WARN L250 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_792812d9-9584-499b-9c73-c52b979caa9a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-76.i[916,929] [2024-12-02 14:14:02,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:14:02,447 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:14:02,457 WARN L250 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_792812d9-9584-499b-9c73-c52b979caa9a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-76.i[916,929] [2024-12-02 14:14:02,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:14:02,506 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:14:02,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:02 WrapperNode [2024-12-02 14:14:02,506 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:14:02,507 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:14:02,508 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:14:02,508 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:14:02,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:02" (1/1) ... [2024-12-02 14:14:02,526 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:02" (1/1) ... [2024-12-02 14:14:02,554 INFO L138 Inliner]: procedures = 30, calls = 134, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 411 [2024-12-02 14:14:02,555 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:14:02,555 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:14:02,555 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:14:02,556 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:14:02,565 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:02" (1/1) ... [2024-12-02 14:14:02,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:02" (1/1) ... [2024-12-02 14:14:02,570 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:02" (1/1) ... [2024-12-02 14:14:02,577 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-12-02 14:14:02,577 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:02" (1/1) ... [2024-12-02 14:14:02,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:02" (1/1) ... [2024-12-02 14:14:02,592 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:02" (1/1) ... [2024-12-02 14:14:02,594 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:02" (1/1) ... [2024-12-02 14:14:02,598 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:02" (1/1) ... [2024-12-02 14:14:02,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:02" (1/1) ... [2024-12-02 14:14:02,602 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:02" (1/1) ... [2024-12-02 14:14:02,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:14:02,607 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:14:02,607 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:14:02,607 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:14:02,608 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:02" (1/1) ... [2024-12-02 14:14:02,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:14:02,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:14:02,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:14:02,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:14:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:14:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-12-02 14:14:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-12-02 14:14:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-12-02 14:14:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-02 14:14:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-12-02 14:14:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-02 14:14:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:14:02,670 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:14:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-02 14:14:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:14:02,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:14:02,762 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:14:02,765 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:14:03,189 INFO L? ?]: Removed 93 outVars from TransFormulas that were not future-live. [2024-12-02 14:14:03,189 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:14:03,200 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:14:03,200 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 14:14:03,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:14:03 BoogieIcfgContainer [2024-12-02 14:14:03,201 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:14:03,203 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:14:03,203 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:14:03,207 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:14:03,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:14:02" (1/3) ... [2024-12-02 14:14:03,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ca84547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:14:03, skipping insertion in model container [2024-12-02 14:14:03,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:14:02" (2/3) ... [2024-12-02 14:14:03,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ca84547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:14:03, skipping insertion in model container [2024-12-02 14:14:03,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:14:03" (3/3) ... [2024-12-02 14:14:03,210 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-76.i [2024-12-02 14:14:03,225 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:14:03,226 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-76.i that has 2 procedures, 102 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 14:14:03,275 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:14:03,284 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@455c8f78, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:14:03,284 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:14:03,287 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 84 states have (on average 1.4166666666666667) internal successors, (119), 85 states have internal predecessors, (119), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 14:14:03,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 14:14:03,295 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:14:03,296 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:14:03,296 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:14:03,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:14:03,300 INFO L85 PathProgramCache]: Analyzing trace with hash -2020212237, now seen corresponding path program 1 times [2024-12-02 14:14:03,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:14:03,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626992950] [2024-12-02 14:14:03,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:03,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:14:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:03,577 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-12-02 14:14:03,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:14:03,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626992950] [2024-12-02 14:14:03,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626992950] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:14:03,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130502386] [2024-12-02 14:14:03,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:03,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:14:03,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:14:03,581 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:14:03,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 14:14:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:03,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:14:03,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:14:03,812 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-12-02 14:14:03,812 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:14:03,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130502386] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:14:03,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:14:03,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 14:14:03,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701694245] [2024-12-02 14:14:03,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:14:03,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:14:03,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:14:03,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:14:03,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:14:03,840 INFO L87 Difference]: Start difference. First operand has 102 states, 84 states have (on average 1.4166666666666667) internal successors, (119), 85 states have internal predecessors, (119), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 14:14:03,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:14:03,862 INFO L93 Difference]: Finished difference Result 193 states and 301 transitions. [2024-12-02 14:14:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:14:03,864 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 119 [2024-12-02 14:14:03,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:14:03,869 INFO L225 Difference]: With dead ends: 193 [2024-12-02 14:14:03,869 INFO L226 Difference]: Without dead ends: 94 [2024-12-02 14:14:03,872 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:14:03,875 INFO L435 NwaCegarLoop]: 133 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, 133 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 [2024-12-02 14:14:03,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:14:03,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-12-02 14:14:03,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-12-02 14:14:03,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 77 states have (on average 1.3376623376623376) internal successors, (103), 77 states have internal predecessors, (103), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 14:14:03,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 133 transitions. [2024-12-02 14:14:03,912 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 133 transitions. Word has length 119 [2024-12-02 14:14:03,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:14:03,913 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 133 transitions. [2024-12-02 14:14:03,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 14:14:03,913 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 133 transitions. [2024-12-02 14:14:03,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 14:14:03,916 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:14:03,916 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:14:03,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 14:14:04,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 14:14:04,117 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:14:04,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:14:04,117 INFO L85 PathProgramCache]: Analyzing trace with hash 189444987, now seen corresponding path program 1 times [2024-12-02 14:14:04,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:14:04,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903125412] [2024-12-02 14:14:04,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:04,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:14:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:04,376 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 14:14:04,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:14:04,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903125412] [2024-12-02 14:14:04,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903125412] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:14:04,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:14:04,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:14:04,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964447873] [2024-12-02 14:14:04,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:14:04,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:14:04,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:14:04,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:14:04,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:14:04,378 INFO L87 Difference]: Start difference. First operand 94 states and 133 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 14:14:04,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:14:04,417 INFO L93 Difference]: Finished difference Result 187 states and 266 transitions. [2024-12-02 14:14:04,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:14:04,418 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 119 [2024-12-02 14:14:04,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:14:04,419 INFO L225 Difference]: With dead ends: 187 [2024-12-02 14:14:04,419 INFO L226 Difference]: Without dead ends: 96 [2024-12-02 14:14:04,420 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:14:04,421 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:14:04,421 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 382 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:14:04,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-12-02 14:14:04,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-12-02 14:14:04,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.3291139240506329) internal successors, (105), 79 states have internal predecessors, (105), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 14:14:04,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 135 transitions. [2024-12-02 14:14:04,431 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 135 transitions. Word has length 119 [2024-12-02 14:14:04,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:14:04,433 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 135 transitions. [2024-12-02 14:14:04,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 14:14:04,433 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 135 transitions. [2024-12-02 14:14:04,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 14:14:04,435 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:14:04,435 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:14:04,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 14:14:04,435 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:14:04,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:14:04,436 INFO L85 PathProgramCache]: Analyzing trace with hash -649588675, now seen corresponding path program 1 times [2024-12-02 14:14:04,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:14:04,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79576852] [2024-12-02 14:14:04,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:04,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:14:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:04,625 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 14:14:04,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:14:04,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79576852] [2024-12-02 14:14:04,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79576852] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:14:04,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:14:04,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:14:04,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502448489] [2024-12-02 14:14:04,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:14:04,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:14:04,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:14:04,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:14:04,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:14:04,627 INFO L87 Difference]: Start difference. First operand 96 states and 135 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 14:14:04,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:14:04,645 INFO L93 Difference]: Finished difference Result 189 states and 267 transitions. [2024-12-02 14:14:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:14:04,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 119 [2024-12-02 14:14:04,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:14:04,647 INFO L225 Difference]: With dead ends: 189 [2024-12-02 14:14:04,647 INFO L226 Difference]: Without dead ends: 96 [2024-12-02 14:14:04,647 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:14:04,648 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:14:04,648 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 259 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:14:04,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-12-02 14:14:04,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-12-02 14:14:04,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.3164556962025316) internal successors, (104), 79 states have internal predecessors, (104), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 14:14:04,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 134 transitions. [2024-12-02 14:14:04,658 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 134 transitions. Word has length 119 [2024-12-02 14:14:04,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:14:04,658 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 134 transitions. [2024-12-02 14:14:04,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 14:14:04,659 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 134 transitions. [2024-12-02 14:14:04,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-12-02 14:14:04,660 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:14:04,661 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:14:04,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 14:14:04,661 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:14:04,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:14:04,662 INFO L85 PathProgramCache]: Analyzing trace with hash 4751163, now seen corresponding path program 1 times [2024-12-02 14:14:04,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:14:04,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432379337] [2024-12-02 14:14:04,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:04,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:14:04,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:05,061 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 14:14:05,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:14:05,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432379337] [2024-12-02 14:14:05,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432379337] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:14:05,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:14:05,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:14:05,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880666142] [2024-12-02 14:14:05,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:14:05,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:14:05,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:14:05,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:14:05,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:14:05,064 INFO L87 Difference]: Start difference. First operand 96 states and 134 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 14:14:05,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:14:05,469 INFO L93 Difference]: Finished difference Result 327 states and 459 transitions. [2024-12-02 14:14:05,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:14:05,470 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 120 [2024-12-02 14:14:05,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:14:05,472 INFO L225 Difference]: With dead ends: 327 [2024-12-02 14:14:05,472 INFO L226 Difference]: Without dead ends: 234 [2024-12-02 14:14:05,472 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:14:05,473 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 162 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:14:05,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 440 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 14:14:05,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-12-02 14:14:05,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 187. [2024-12-02 14:14:05,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 154 states have (on average 1.3181818181818181) internal successors, (203), 154 states have internal predecessors, (203), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-12-02 14:14:05,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 263 transitions. [2024-12-02 14:14:05,499 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 263 transitions. Word has length 120 [2024-12-02 14:14:05,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:14:05,499 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 263 transitions. [2024-12-02 14:14:05,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 14:14:05,500 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 263 transitions. [2024-12-02 14:14:05,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-12-02 14:14:05,502 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:14:05,502 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:14:05,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 14:14:05,502 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:14:05,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:14:05,503 INFO L85 PathProgramCache]: Analyzing trace with hash 427452989, now seen corresponding path program 1 times [2024-12-02 14:14:05,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:14:05,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554720366] [2024-12-02 14:14:05,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:05,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:14:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:07,261 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 14:14:07,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:14:07,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554720366] [2024-12-02 14:14:07,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554720366] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:14:07,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:14:07,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 14:14:07,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491377537] [2024-12-02 14:14:07,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:14:07,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:14:07,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:14:07,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:14:07,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:14:07,263 INFO L87 Difference]: Start difference. First operand 187 states and 263 transitions. Second operand has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 14:14:07,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:14:07,949 INFO L93 Difference]: Finished difference Result 541 states and 754 transitions. [2024-12-02 14:14:07,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 14:14:07,950 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 120 [2024-12-02 14:14:07,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:14:07,952 INFO L225 Difference]: With dead ends: 541 [2024-12-02 14:14:07,953 INFO L226 Difference]: Without dead ends: 357 [2024-12-02 14:14:07,953 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-12-02 14:14:07,954 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 137 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:14:07,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 551 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 14:14:07,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-12-02 14:14:07,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 270. [2024-12-02 14:14:07,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 231 states have (on average 1.3376623376623376) internal successors, (309), 232 states have internal predecessors, (309), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 14:14:07,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 377 transitions. [2024-12-02 14:14:07,982 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 377 transitions. Word has length 120 [2024-12-02 14:14:07,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:14:07,983 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 377 transitions. [2024-12-02 14:14:07,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 14:14:07,983 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 377 transitions. [2024-12-02 14:14:07,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-02 14:14:07,984 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:14:07,985 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:14:07,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 14:14:07,985 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:14:07,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:14:07,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1480347512, now seen corresponding path program 1 times [2024-12-02 14:14:07,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:14:07,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748873351] [2024-12-02 14:14:07,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:07,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:14:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:08,094 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 14:14:08,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:14:08,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748873351] [2024-12-02 14:14:08,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748873351] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:14:08,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:14:08,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:14:08,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159773358] [2024-12-02 14:14:08,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:14:08,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:14:08,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:14:08,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:14:08,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:14:08,096 INFO L87 Difference]: Start difference. First operand 270 states and 377 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 14:14:08,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:14:08,122 INFO L93 Difference]: Finished difference Result 537 states and 751 transitions. [2024-12-02 14:14:08,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:14:08,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 122 [2024-12-02 14:14:08,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:14:08,125 INFO L225 Difference]: With dead ends: 537 [2024-12-02 14:14:08,125 INFO L226 Difference]: Without dead ends: 270 [2024-12-02 14:14:08,125 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:14:08,126 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:14:08,126 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 256 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:14:08,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-12-02 14:14:08,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2024-12-02 14:14:08,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 231 states have (on average 1.3246753246753247) internal successors, (306), 232 states have internal predecessors, (306), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 14:14:08,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 374 transitions. [2024-12-02 14:14:08,144 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 374 transitions. Word has length 122 [2024-12-02 14:14:08,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:14:08,144 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 374 transitions. [2024-12-02 14:14:08,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 14:14:08,144 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 374 transitions. [2024-12-02 14:14:08,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-02 14:14:08,145 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:14:08,145 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:14:08,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 14:14:08,146 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:14:08,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:14:08,146 INFO L85 PathProgramCache]: Analyzing trace with hash -725682600, now seen corresponding path program 1 times [2024-12-02 14:14:08,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:14:08,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426027056] [2024-12-02 14:14:08,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:08,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:14:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:08,879 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 14:14:08,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:14:08,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426027056] [2024-12-02 14:14:08,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426027056] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:14:08,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:14:08,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 14:14:08,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946765324] [2024-12-02 14:14:08,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:14:08,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:14:08,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:14:08,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:14:08,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:14:08,881 INFO L87 Difference]: Start difference. First operand 270 states and 374 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 14:14:09,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:14:09,289 INFO L93 Difference]: Finished difference Result 737 states and 1019 transitions. [2024-12-02 14:14:09,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:14:09,290 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 122 [2024-12-02 14:14:09,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:14:09,293 INFO L225 Difference]: With dead ends: 737 [2024-12-02 14:14:09,293 INFO L226 Difference]: Without dead ends: 470 [2024-12-02 14:14:09,294 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:14:09,295 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 179 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:14:09,295 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 398 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 14:14:09,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2024-12-02 14:14:09,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 272. [2024-12-02 14:14:09,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 233 states have (on average 1.3133047210300428) internal successors, (306), 234 states have internal predecessors, (306), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 14:14:09,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 374 transitions. [2024-12-02 14:14:09,316 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 374 transitions. Word has length 122 [2024-12-02 14:14:09,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:14:09,316 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 374 transitions. [2024-12-02 14:14:09,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 14:14:09,317 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 374 transitions. [2024-12-02 14:14:09,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 14:14:09,317 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:14:09,317 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:14:09,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 14:14:09,318 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:14:09,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:14:09,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1213675190, now seen corresponding path program 1 times [2024-12-02 14:14:09,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:14:09,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018560921] [2024-12-02 14:14:09,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:09,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:14:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:09,469 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-12-02 14:14:09,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:14:09,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018560921] [2024-12-02 14:14:09,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018560921] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:14:09,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494553283] [2024-12-02 14:14:09,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:09,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:14:09,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:14:09,471 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:14:09,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 14:14:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:09,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 14:14:09,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:14:09,754 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 14:14:09,754 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:14:09,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494553283] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:14:09,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:14:09,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 10 [2024-12-02 14:14:09,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88140187] [2024-12-02 14:14:09,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:14:09,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:14:09,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:14:09,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:14:09,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 14:14:09,755 INFO L87 Difference]: Start difference. First operand 272 states and 374 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 14:14:09,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:14:09,807 INFO L93 Difference]: Finished difference Result 553 states and 760 transitions. [2024-12-02 14:14:09,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:14:09,807 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 124 [2024-12-02 14:14:09,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:14:09,809 INFO L225 Difference]: With dead ends: 553 [2024-12-02 14:14:09,809 INFO L226 Difference]: Without dead ends: 284 [2024-12-02 14:14:09,810 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 14:14:09,810 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:14:09,811 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 615 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:14:09,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-12-02 14:14:09,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 284. [2024-12-02 14:14:09,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 245 states have (on average 1.2979591836734694) internal successors, (318), 246 states have internal predecessors, (318), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 14:14:09,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 386 transitions. [2024-12-02 14:14:09,832 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 386 transitions. Word has length 124 [2024-12-02 14:14:09,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:14:09,833 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 386 transitions. [2024-12-02 14:14:09,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 14:14:09,833 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 386 transitions. [2024-12-02 14:14:09,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 14:14:09,834 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:14:09,834 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:14:09,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 14:14:10,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:14:10,035 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:14:10,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:14:10,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1518996242, now seen corresponding path program 1 times [2024-12-02 14:14:10,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:14:10,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459283062] [2024-12-02 14:14:10,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:10,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:14:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:10,123 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 14:14:10,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:14:10,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459283062] [2024-12-02 14:14:10,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459283062] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:14:10,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:14:10,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:14:10,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514116687] [2024-12-02 14:14:10,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:14:10,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:14:10,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:14:10,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:14:10,125 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:14:10,125 INFO L87 Difference]: Start difference. First operand 284 states and 386 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 14:14:10,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:14:10,151 INFO L93 Difference]: Finished difference Result 570 states and 779 transitions. [2024-12-02 14:14:10,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:14:10,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 124 [2024-12-02 14:14:10,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:14:10,154 INFO L225 Difference]: With dead ends: 570 [2024-12-02 14:14:10,154 INFO L226 Difference]: Without dead ends: 289 [2024-12-02 14:14:10,155 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:14:10,155 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:14:10,155 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 254 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:14:10,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-12-02 14:14:10,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2024-12-02 14:14:10,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 250 states have (on average 1.292) internal successors, (323), 251 states have internal predecessors, (323), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 14:14:10,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 391 transitions. [2024-12-02 14:14:10,176 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 391 transitions. Word has length 124 [2024-12-02 14:14:10,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:14:10,176 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 391 transitions. [2024-12-02 14:14:10,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 14:14:10,176 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 391 transitions. [2024-12-02 14:14:10,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 14:14:10,178 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:14:10,178 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:14:10,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 14:14:10,178 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:14:10,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:14:10,178 INFO L85 PathProgramCache]: Analyzing trace with hash 507878992, now seen corresponding path program 1 times [2024-12-02 14:14:10,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:14:10,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115899522] [2024-12-02 14:14:10,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:10,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:14:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:11,150 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 14:14:11,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:14:11,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115899522] [2024-12-02 14:14:11,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115899522] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:14:11,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:14:11,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 14:14:11,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379800844] [2024-12-02 14:14:11,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:14:11,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 14:14:11,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:14:11,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 14:14:11,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:14:11,152 INFO L87 Difference]: Start difference. First operand 289 states and 391 transitions. Second operand has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 14:14:11,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:14:11,849 INFO L93 Difference]: Finished difference Result 684 states and 917 transitions. [2024-12-02 14:14:11,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 14:14:11,849 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 124 [2024-12-02 14:14:11,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:14:11,852 INFO L225 Difference]: With dead ends: 684 [2024-12-02 14:14:11,852 INFO L226 Difference]: Without dead ends: 398 [2024-12-02 14:14:11,853 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-12-02 14:14:11,853 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 191 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:14:11,854 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 531 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 14:14:11,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-12-02 14:14:11,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 287. [2024-12-02 14:14:11,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 248 states have (on average 1.2862903225806452) internal successors, (319), 249 states have internal predecessors, (319), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 14:14:11,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 387 transitions. [2024-12-02 14:14:11,877 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 387 transitions. Word has length 124 [2024-12-02 14:14:11,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:14:11,878 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 387 transitions. [2024-12-02 14:14:11,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 14:14:11,878 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 387 transitions. [2024-12-02 14:14:11,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-12-02 14:14:11,879 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:14:11,880 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:14:11,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 14:14:11,880 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:14:11,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:14:11,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1018530735, now seen corresponding path program 1 times [2024-12-02 14:14:11,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:14:11,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312981536] [2024-12-02 14:14:11,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:11,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:14:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:12,820 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 14:14:12,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:14:12,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312981536] [2024-12-02 14:14:12,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312981536] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:14:12,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:14:12,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 14:14:12,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284657571] [2024-12-02 14:14:12,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:14:12,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:14:12,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:14:12,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:14:12,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:14:12,822 INFO L87 Difference]: Start difference. First operand 287 states and 387 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 14:14:13,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:14:13,290 INFO L93 Difference]: Finished difference Result 766 states and 1034 transitions. [2024-12-02 14:14:13,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:14:13,291 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 126 [2024-12-02 14:14:13,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:14:13,294 INFO L225 Difference]: With dead ends: 766 [2024-12-02 14:14:13,294 INFO L226 Difference]: Without dead ends: 482 [2024-12-02 14:14:13,295 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:14:13,295 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 155 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:14:13,296 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 486 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 14:14:13,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-12-02 14:14:13,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 302. [2024-12-02 14:14:13,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 263 states have (on average 1.285171102661597) internal successors, (338), 264 states have internal predecessors, (338), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 14:14:13,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 406 transitions. [2024-12-02 14:14:13,321 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 406 transitions. Word has length 126 [2024-12-02 14:14:13,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:14:13,321 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 406 transitions. [2024-12-02 14:14:13,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 14:14:13,322 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 406 transitions. [2024-12-02 14:14:13,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-12-02 14:14:13,323 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:14:13,323 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:14:13,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 14:14:13,323 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:14:13,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:14:13,324 INFO L85 PathProgramCache]: Analyzing trace with hash -470688275, now seen corresponding path program 1 times [2024-12-02 14:14:13,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:14:13,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784176251] [2024-12-02 14:14:13,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:13,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:14:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:14,113 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 14:14:14,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:14:14,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784176251] [2024-12-02 14:14:14,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784176251] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:14:14,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:14:14,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 14:14:14,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140564044] [2024-12-02 14:14:14,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:14:14,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:14:14,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:14:14,114 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:14:14,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:14:14,114 INFO L87 Difference]: Start difference. First operand 302 states and 406 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 14:14:14,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:14:14,515 INFO L93 Difference]: Finished difference Result 618 states and 828 transitions. [2024-12-02 14:14:14,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:14:14,516 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 126 [2024-12-02 14:14:14,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:14:14,518 INFO L225 Difference]: With dead ends: 618 [2024-12-02 14:14:14,518 INFO L226 Difference]: Without dead ends: 319 [2024-12-02 14:14:14,518 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:14:14,519 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 62 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:14:14,519 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 451 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 14:14:14,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-12-02 14:14:14,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 302. [2024-12-02 14:14:14,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 263 states have (on average 1.2775665399239544) internal successors, (336), 264 states have internal predecessors, (336), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 14:14:14,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 404 transitions. [2024-12-02 14:14:14,539 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 404 transitions. Word has length 126 [2024-12-02 14:14:14,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:14:14,540 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 404 transitions. [2024-12-02 14:14:14,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 14:14:14,540 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 404 transitions. [2024-12-02 14:14:14,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 14:14:14,541 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:14:14,542 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:14:14,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 14:14:14,542 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:14:14,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:14:14,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1670491939, now seen corresponding path program 1 times [2024-12-02 14:14:14,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:14:14,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718091858] [2024-12-02 14:14:14,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:14,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:14:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:15,503 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 14:14:15,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:14:15,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718091858] [2024-12-02 14:14:15,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718091858] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:14:15,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:14:15,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 14:14:15,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748957446] [2024-12-02 14:14:15,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:14:15,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 14:14:15,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:14:15,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 14:14:15,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:14:15,504 INFO L87 Difference]: Start difference. First operand 302 states and 404 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 14:14:15,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:14:15,997 INFO L93 Difference]: Finished difference Result 666 states and 891 transitions. [2024-12-02 14:14:15,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:14:15,998 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 128 [2024-12-02 14:14:15,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:14:16,000 INFO L225 Difference]: With dead ends: 666 [2024-12-02 14:14:16,000 INFO L226 Difference]: Without dead ends: 479 [2024-12-02 14:14:16,000 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-12-02 14:14:16,001 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 85 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:14:16,001 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 723 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 14:14:16,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2024-12-02 14:14:16,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 476. [2024-12-02 14:14:16,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 420 states have (on average 1.2785714285714285) internal successors, (537), 423 states have internal predecessors, (537), 49 states have call successors, (49), 6 states have call predecessors, (49), 6 states have return successors, (49), 46 states have call predecessors, (49), 49 states have call successors, (49) [2024-12-02 14:14:16,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 635 transitions. [2024-12-02 14:14:16,021 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 635 transitions. Word has length 128 [2024-12-02 14:14:16,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:14:16,021 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 635 transitions. [2024-12-02 14:14:16,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 14:14:16,022 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 635 transitions. [2024-12-02 14:14:16,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 14:14:16,023 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:14:16,023 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:14:16,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 14:14:16,023 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:14:16,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:14:16,024 INFO L85 PathProgramCache]: Analyzing trace with hash -905662791, now seen corresponding path program 1 times [2024-12-02 14:14:16,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:14:16,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864140289] [2024-12-02 14:14:16,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:16,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:14:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:16,159 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 14:14:16,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:14:16,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864140289] [2024-12-02 14:14:16,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864140289] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:14:16,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:14:16,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:14:16,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526512706] [2024-12-02 14:14:16,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:14:16,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:14:16,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:14:16,160 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:14:16,160 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:14:16,160 INFO L87 Difference]: Start difference. First operand 476 states and 635 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 14:14:16,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:14:16,448 INFO L93 Difference]: Finished difference Result 963 states and 1277 transitions. [2024-12-02 14:14:16,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:14:16,448 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 129 [2024-12-02 14:14:16,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:14:16,450 INFO L225 Difference]: With dead ends: 963 [2024-12-02 14:14:16,451 INFO L226 Difference]: Without dead ends: 490 [2024-12-02 14:14:16,452 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:14:16,452 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 53 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:14:16,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 470 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:14:16,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2024-12-02 14:14:16,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 488. [2024-12-02 14:14:16,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 429 states have (on average 1.2657342657342658) internal successors, (543), 432 states have internal predecessors, (543), 49 states have call successors, (49), 9 states have call predecessors, (49), 9 states have return successors, (49), 46 states have call predecessors, (49), 49 states have call successors, (49) [2024-12-02 14:14:16,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 641 transitions. [2024-12-02 14:14:16,475 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 641 transitions. Word has length 129 [2024-12-02 14:14:16,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:14:16,475 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 641 transitions. [2024-12-02 14:14:16,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 14:14:16,475 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 641 transitions. [2024-12-02 14:14:16,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 14:14:16,476 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:14:16,476 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:14:16,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 14:14:16,476 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:14:16,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:14:16,477 INFO L85 PathProgramCache]: Analyzing trace with hash 829750658, now seen corresponding path program 1 times [2024-12-02 14:14:16,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:14:16,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781283999] [2024-12-02 14:14:16,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:16,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:14:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:17,370 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 14:14:17,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:14:17,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781283999] [2024-12-02 14:14:17,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781283999] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:14:17,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:14:17,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 14:14:17,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33704934] [2024-12-02 14:14:17,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:14:17,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 14:14:17,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:14:17,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 14:14:17,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:14:17,371 INFO L87 Difference]: Start difference. First operand 488 states and 641 transitions. Second operand has 9 states, 7 states have (on average 8.285714285714286) internal successors, (58), 9 states have internal predecessors, (58), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 14:14:17,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:14:17,924 INFO L93 Difference]: Finished difference Result 823 states and 1065 transitions. [2024-12-02 14:14:17,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 14:14:17,924 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.285714285714286) internal successors, (58), 9 states have internal predecessors, (58), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 3 states have call successors, (15) Word has length 130 [2024-12-02 14:14:17,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:14:17,928 INFO L225 Difference]: With dead ends: 823 [2024-12-02 14:14:17,928 INFO L226 Difference]: Without dead ends: 821 [2024-12-02 14:14:17,929 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-12-02 14:14:17,929 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 74 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:14:17,929 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 609 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 14:14:17,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2024-12-02 14:14:17,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 817. [2024-12-02 14:14:17,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 817 states, 704 states have (on average 1.2329545454545454) internal successors, (868), 712 states have internal predecessors, (868), 94 states have call successors, (94), 18 states have call predecessors, (94), 18 states have return successors, (94), 86 states have call predecessors, (94), 94 states have call successors, (94) [2024-12-02 14:14:18,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1056 transitions. [2024-12-02 14:14:18,001 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1056 transitions. Word has length 130 [2024-12-02 14:14:18,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:14:18,001 INFO L471 AbstractCegarLoop]: Abstraction has 817 states and 1056 transitions. [2024-12-02 14:14:18,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.285714285714286) internal successors, (58), 9 states have internal predecessors, (58), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 14:14:18,001 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1056 transitions. [2024-12-02 14:14:18,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 14:14:18,003 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:14:18,003 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:14:18,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 14:14:18,003 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:14:18,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:14:18,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1060491747, now seen corresponding path program 1 times [2024-12-02 14:14:18,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:14:18,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196373255] [2024-12-02 14:14:18,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:18,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:14:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:18,262 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 14:14:18,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:14:18,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196373255] [2024-12-02 14:14:18,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196373255] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:14:18,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:14:18,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:14:18,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295046293] [2024-12-02 14:14:18,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:14:18,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:14:18,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:14:18,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:14:18,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:14:18,263 INFO L87 Difference]: Start difference. First operand 817 states and 1056 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 14:14:18,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:14:18,563 INFO L93 Difference]: Finished difference Result 1436 states and 1849 transitions. [2024-12-02 14:14:18,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:14:18,563 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 130 [2024-12-02 14:14:18,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:14:18,566 INFO L225 Difference]: With dead ends: 1436 [2024-12-02 14:14:18,566 INFO L226 Difference]: Without dead ends: 817 [2024-12-02 14:14:18,567 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:14:18,567 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 48 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:14:18,567 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 370 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:14:18,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2024-12-02 14:14:18,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 815. [2024-12-02 14:14:18,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 815 states, 698 states have (on average 1.2220630372492836) internal successors, (853), 706 states have internal predecessors, (853), 94 states have call successors, (94), 22 states have call predecessors, (94), 22 states have return successors, (94), 86 states have call predecessors, (94), 94 states have call successors, (94) [2024-12-02 14:14:18,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 1041 transitions. [2024-12-02 14:14:18,608 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 1041 transitions. Word has length 130 [2024-12-02 14:14:18,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:14:18,609 INFO L471 AbstractCegarLoop]: Abstraction has 815 states and 1041 transitions. [2024-12-02 14:14:18,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 14:14:18,609 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1041 transitions. [2024-12-02 14:14:18,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 14:14:18,610 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:14:18,610 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:14:18,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 14:14:18,610 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:14:18,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:14:18,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1621895359, now seen corresponding path program 1 times [2024-12-02 14:14:18,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:14:18,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032550202] [2024-12-02 14:14:18,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:18,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:14:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:18,747 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 14:14:18,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:14:18,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032550202] [2024-12-02 14:14:18,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032550202] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:14:18,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:14:18,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:14:18,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491311576] [2024-12-02 14:14:18,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:14:18,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:14:18,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:14:18,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:14:18,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:14:18,749 INFO L87 Difference]: Start difference. First operand 815 states and 1041 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 14:14:19,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:14:19,114 INFO L93 Difference]: Finished difference Result 2064 states and 2645 transitions. [2024-12-02 14:14:19,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:14:19,115 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 131 [2024-12-02 14:14:19,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:14:19,118 INFO L225 Difference]: With dead ends: 2064 [2024-12-02 14:14:19,118 INFO L226 Difference]: Without dead ends: 1252 [2024-12-02 14:14:19,120 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:14:19,120 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 77 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:14:19,120 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 460 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 14:14:19,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2024-12-02 14:14:19,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 827. [2024-12-02 14:14:19,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 827 states, 710 states have (on average 1.2154929577464788) internal successors, (863), 718 states have internal predecessors, (863), 94 states have call successors, (94), 22 states have call predecessors, (94), 22 states have return successors, (94), 86 states have call predecessors, (94), 94 states have call successors, (94) [2024-12-02 14:14:19,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1051 transitions. [2024-12-02 14:14:19,167 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1051 transitions. Word has length 131 [2024-12-02 14:14:19,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:14:19,167 INFO L471 AbstractCegarLoop]: Abstraction has 827 states and 1051 transitions. [2024-12-02 14:14:19,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 14:14:19,167 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1051 transitions. [2024-12-02 14:14:19,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 14:14:19,168 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:14:19,168 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:14:19,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 14:14:19,169 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:14:19,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:14:19,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1228868349, now seen corresponding path program 1 times [2024-12-02 14:14:19,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:14:19,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567876018] [2024-12-02 14:14:19,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:19,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:14:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:19,305 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-12-02 14:14:19,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:14:19,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567876018] [2024-12-02 14:14:19,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567876018] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:14:19,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127359723] [2024-12-02 14:14:19,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:19,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:14:19,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:14:19,308 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:14:19,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 14:14:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:19,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 14:14:19,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:14:19,604 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 14:14:19,604 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:14:19,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127359723] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:14:19,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:14:19,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 12 [2024-12-02 14:14:19,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548310267] [2024-12-02 14:14:19,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:14:19,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 14:14:19,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:14:19,606 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 14:14:19,606 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:14:19,606 INFO L87 Difference]: Start difference. First operand 827 states and 1051 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 14:14:19,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:14:19,693 INFO L93 Difference]: Finished difference Result 1671 states and 2123 transitions. [2024-12-02 14:14:19,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:14:19,693 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 131 [2024-12-02 14:14:19,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:14:19,697 INFO L225 Difference]: With dead ends: 1671 [2024-12-02 14:14:19,697 INFO L226 Difference]: Without dead ends: 847 [2024-12-02 14:14:19,699 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:14:19,699 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 620 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:14:19,699 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 750 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:14:19,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2024-12-02 14:14:19,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 847. [2024-12-02 14:14:19,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 847 states, 730 states have (on average 1.2068493150684931) internal successors, (881), 738 states have internal predecessors, (881), 94 states have call successors, (94), 22 states have call predecessors, (94), 22 states have return successors, (94), 86 states have call predecessors, (94), 94 states have call successors, (94) [2024-12-02 14:14:19,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1069 transitions. [2024-12-02 14:14:19,769 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1069 transitions. Word has length 131 [2024-12-02 14:14:19,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:14:19,769 INFO L471 AbstractCegarLoop]: Abstraction has 847 states and 1069 transitions. [2024-12-02 14:14:19,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 14:14:19,770 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1069 transitions. [2024-12-02 14:14:19,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-12-02 14:14:19,771 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:14:19,771 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:14:19,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 14:14:19,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-12-02 14:14:19,972 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:14:19,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:14:19,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1323025862, now seen corresponding path program 1 times [2024-12-02 14:14:19,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:14:19,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861468058] [2024-12-02 14:14:19,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:19,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:14:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:20,151 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 14:14:20,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:14:20,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861468058] [2024-12-02 14:14:20,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861468058] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:14:20,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:14:20,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:14:20,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141970591] [2024-12-02 14:14:20,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:14:20,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:14:20,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:14:20,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:14:20,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:14:20,153 INFO L87 Difference]: Start difference. First operand 847 states and 1069 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 14:14:20,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:14:20,561 INFO L93 Difference]: Finished difference Result 1706 states and 2148 transitions. [2024-12-02 14:14:20,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:14:20,562 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 132 [2024-12-02 14:14:20,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:14:20,564 INFO L225 Difference]: With dead ends: 1706 [2024-12-02 14:14:20,564 INFO L226 Difference]: Without dead ends: 862 [2024-12-02 14:14:20,565 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:14:20,565 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 92 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:14:20,566 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 465 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 14:14:20,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2024-12-02 14:14:20,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 854. [2024-12-02 14:14:20,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 854 states, 715 states have (on average 1.1846153846153846) internal successors, (847), 724 states have internal predecessors, (847), 111 states have call successors, (111), 27 states have call predecessors, (111), 27 states have return successors, (111), 102 states have call predecessors, (111), 111 states have call successors, (111) [2024-12-02 14:14:20,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 1069 transitions. [2024-12-02 14:14:20,610 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 1069 transitions. Word has length 132 [2024-12-02 14:14:20,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:14:20,610 INFO L471 AbstractCegarLoop]: Abstraction has 854 states and 1069 transitions. [2024-12-02 14:14:20,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 14:14:20,611 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1069 transitions. [2024-12-02 14:14:20,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-12-02 14:14:20,612 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:14:20,612 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:14:20,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 14:14:20,612 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:14:20,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:14:20,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1667785729, now seen corresponding path program 1 times [2024-12-02 14:14:20,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:14:20,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084893206] [2024-12-02 14:14:20,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:20,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:14:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:21,368 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 15 proven. 27 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-12-02 14:14:21,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:14:21,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084893206] [2024-12-02 14:14:21,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084893206] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:14:21,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648198103] [2024-12-02 14:14:21,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:21,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:14:21,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:14:21,370 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:14:21,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 14:14:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:21,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-02 14:14:21,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:14:21,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-12-02 14:14:21,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-12-02 14:14:21,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-12-02 14:14:21,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-12-02 14:14:21,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-12-02 14:14:21,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-02 14:14:21,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 73 [2024-12-02 14:14:21,861 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 14:14:21,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 97 [2024-12-02 14:14:21,902 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 14:14:21,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 53 [2024-12-02 14:14:22,039 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 14:14:22,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 111 treesize of output 71 [2024-12-02 14:14:22,140 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 14:14:22,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 121 treesize of output 61 [2024-12-02 14:14:22,160 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 204 proven. 27 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-12-02 14:14:22,160 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:14:22,460 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 15 proven. 27 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-12-02 14:14:22,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648198103] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 14:14:22,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 14:14:22,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 7] total 15 [2024-12-02 14:14:22,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453579197] [2024-12-02 14:14:22,461 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 14:14:22,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 14:14:22,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:14:22,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 14:14:22,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-12-02 14:14:22,462 INFO L87 Difference]: Start difference. First operand 854 states and 1069 transitions. Second operand has 15 states, 12 states have (on average 8.666666666666666) internal successors, (104), 15 states have internal predecessors, (104), 6 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (31), 3 states have call predecessors, (31), 6 states have call successors, (31) [2024-12-02 14:14:23,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:14:23,952 INFO L93 Difference]: Finished difference Result 1568 states and 1938 transitions. [2024-12-02 14:14:23,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-02 14:14:23,952 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 8.666666666666666) internal successors, (104), 15 states have internal predecessors, (104), 6 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (31), 3 states have call predecessors, (31), 6 states have call successors, (31) Word has length 132 [2024-12-02 14:14:23,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:14:23,956 INFO L225 Difference]: With dead ends: 1568 [2024-12-02 14:14:23,956 INFO L226 Difference]: Without dead ends: 763 [2024-12-02 14:14:23,958 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 260 SyntacticMatches, 9 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 445 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=426, Invalid=1554, Unknown=0, NotChecked=0, Total=1980 [2024-12-02 14:14:23,958 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 624 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 1144 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 625 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 1270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 1144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 14:14:23,958 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [625 Valid, 513 Invalid, 1270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 1144 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 14:14:23,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2024-12-02 14:14:24,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 669. [2024-12-02 14:14:24,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 549 states have (on average 1.162112932604736) internal successors, (638), 554 states have internal predecessors, (638), 91 states have call successors, (91), 28 states have call predecessors, (91), 28 states have return successors, (91), 86 states have call predecessors, (91), 91 states have call successors, (91) [2024-12-02 14:14:24,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 820 transitions. [2024-12-02 14:14:24,033 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 820 transitions. Word has length 132 [2024-12-02 14:14:24,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:14:24,033 INFO L471 AbstractCegarLoop]: Abstraction has 669 states and 820 transitions. [2024-12-02 14:14:24,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 8.666666666666666) internal successors, (104), 15 states have internal predecessors, (104), 6 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (31), 3 states have call predecessors, (31), 6 states have call successors, (31) [2024-12-02 14:14:24,034 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 820 transitions. [2024-12-02 14:14:24,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-02 14:14:24,035 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:14:24,035 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:14:24,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-02 14:14:24,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-12-02 14:14:24,235 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:14:24,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:14:24,236 INFO L85 PathProgramCache]: Analyzing trace with hash -953934379, now seen corresponding path program 1 times [2024-12-02 14:14:24,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:14:24,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564671967] [2024-12-02 14:14:24,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:24,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:14:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:24,436 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 14:14:24,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:14:24,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564671967] [2024-12-02 14:14:24,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564671967] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:14:24,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:14:24,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:14:24,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935600319] [2024-12-02 14:14:24,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:14:24,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:14:24,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:14:24,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:14:24,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:14:24,437 INFO L87 Difference]: Start difference. First operand 669 states and 820 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 14:14:24,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:14:24,796 INFO L93 Difference]: Finished difference Result 1616 states and 1974 transitions. [2024-12-02 14:14:24,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:14:24,797 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 133 [2024-12-02 14:14:24,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:14:24,800 INFO L225 Difference]: With dead ends: 1616 [2024-12-02 14:14:24,800 INFO L226 Difference]: Without dead ends: 950 [2024-12-02 14:14:24,801 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:14:24,802 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 63 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:14:24,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 475 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 14:14:24,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2024-12-02 14:14:24,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 668. [2024-12-02 14:14:24,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 548 states have (on average 1.135036496350365) internal successors, (622), 553 states have internal predecessors, (622), 91 states have call successors, (91), 28 states have call predecessors, (91), 28 states have return successors, (91), 86 states have call predecessors, (91), 91 states have call successors, (91) [2024-12-02 14:14:24,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 804 transitions. [2024-12-02 14:14:24,847 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 804 transitions. Word has length 133 [2024-12-02 14:14:24,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:14:24,847 INFO L471 AbstractCegarLoop]: Abstraction has 668 states and 804 transitions. [2024-12-02 14:14:24,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 14:14:24,848 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 804 transitions. [2024-12-02 14:14:24,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-12-02 14:14:24,849 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:14:24,850 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:14:24,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 14:14:24,850 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:14:24,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:14:24,850 INFO L85 PathProgramCache]: Analyzing trace with hash -544148743, now seen corresponding path program 1 times [2024-12-02 14:14:24,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:14:24,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371743184] [2024-12-02 14:14:24,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:24,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:14:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:25,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1796 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1776 trivial. 0 not checked. [2024-12-02 14:14:25,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:14:25,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371743184] [2024-12-02 14:14:25,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371743184] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:14:25,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:14:25,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:14:25,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446542732] [2024-12-02 14:14:25,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:14:25,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:14:25,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:14:25,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:14:25,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:14:25,287 INFO L87 Difference]: Start difference. First operand 668 states and 804 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 14:14:25,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:14:25,475 INFO L93 Difference]: Finished difference Result 835 states and 997 transitions. [2024-12-02 14:14:25,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:14:25,476 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 247 [2024-12-02 14:14:25,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:14:25,478 INFO L225 Difference]: With dead ends: 835 [2024-12-02 14:14:25,478 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 14:14:25,479 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:14:25,480 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:14:25,481 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 247 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:14:25,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 14:14:25,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 14:14:25,481 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) [2024-12-02 14:14:25,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 14:14:25,482 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 247 [2024-12-02 14:14:25,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:14:25,482 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 14:14:25,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 14:14:25,482 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 14:14:25,482 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 14:14:25,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 14:14:25,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 14:14:25,488 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:14:25,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 14:14:35,261 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:14:35,270 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-02 14:14:35,270 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-02 14:14:35,270 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-12-02 14:14:35,271 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-02 14:14:35,271 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-02 14:14:35,271 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-12-02 14:14:35,271 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-02 14:14:35,271 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-02 14:14:35,271 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-12-02 14:14:35,271 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-02 14:14:35,271 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-02 14:14:35,271 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-12-02 14:14:35,271 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-02 14:14:35,271 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-02 14:14:35,271 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-12-02 14:14:35,271 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!offset [2024-12-02 14:14:35,272 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-02 14:14:35,272 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-02 14:14:35,272 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-12-02 14:14:35,272 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-02 14:14:35,272 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-02 14:14:35,272 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-12-02 14:14:35,272 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-02 14:14:35,272 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-02 14:14:35,272 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-12-02 14:14:35,272 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-02 14:14:35,272 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-02 14:14:35,272 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-12-02 14:14:35,272 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-02 14:14:35,272 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-02 14:14:35,272 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-12-02 14:14:35,273 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-02 14:14:35,273 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-02 14:14:35,273 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-12-02 14:14:35,273 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-02 14:14:35,273 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-02 14:14:35,273 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-12-02 14:14:35,273 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-02 14:14:35,273 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-02 14:14:35,273 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-12-02 14:14:35,273 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!offset [2024-12-02 14:14:35,273 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-02 14:14:35,273 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-02 14:14:35,273 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-12-02 14:14:35,273 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-02 14:14:35,274 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-02 14:14:35,274 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-12-02 14:14:35,274 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-02 14:14:35,274 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-02 14:14:35,274 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-12-02 14:14:35,274 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-02 14:14:35,274 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-02 14:14:35,274 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-12-02 14:14:35,274 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-02 14:14:35,274 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-02 14:14:35,274 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-12-02 14:14:35,274 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-02 14:14:35,274 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-02 14:14:35,275 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-12-02 14:14:35,275 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-02 14:14:35,275 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-02 14:14:35,275 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-12-02 14:14:35,275 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-02 14:14:35,275 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-02 14:14:35,275 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-12-02 14:14:35,275 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-02 14:14:35,275 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-02 14:14:35,275 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-12-02 14:14:35,275 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-02 14:14:35,275 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-02 14:14:35,275 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-12-02 14:14:35,275 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-02 14:14:35,275 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-02 14:14:35,275 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-12-02 14:14:35,276 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!offset [2024-12-02 14:14:35,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:14:35 BoogieIcfgContainer [2024-12-02 14:14:35,276 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:14:35,277 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:14:35,277 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:14:35,277 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:14:35,277 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:14:03" (3/4) ... [2024-12-02 14:14:35,279 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 14:14:35,283 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 14:14:35,288 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-12-02 14:14:35,288 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-02 14:14:35,289 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 14:14:35,289 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 14:14:35,385 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 14:14:35,385 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 14:14:35,385 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:14:35,386 INFO L158 Benchmark]: Toolchain (without parser) took 33152.59ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 117.1MB in the beginning and 137.8MB in the end (delta: -20.7MB). Peak memory consumption was 103.0MB. Max. memory is 16.1GB. [2024-12-02 14:14:35,386 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:14:35,387 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.87ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 101.7MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 14:14:35,387 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.51ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 98.7MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:14:35,387 INFO L158 Benchmark]: Boogie Preprocessor took 50.99ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 95.8MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:14:35,387 INFO L158 Benchmark]: RCFGBuilder took 593.63ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 68.3MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 14:14:35,388 INFO L158 Benchmark]: TraceAbstraction took 32073.40ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 67.7MB in the beginning and 146.1MB in the end (delta: -78.4MB). Peak memory consumption was 455.2MB. Max. memory is 16.1GB. [2024-12-02 14:14:35,388 INFO L158 Benchmark]: Witness Printer took 108.95ms. Allocated memory is still 268.4MB. Free memory was 146.1MB in the beginning and 137.8MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:14:35,389 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 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.87ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 101.7MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.51ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 98.7MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.99ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 95.8MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 593.63ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 68.3MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 32073.40ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 67.7MB in the beginning and 146.1MB in the end (delta: -78.4MB). Peak memory consumption was 455.2MB. Max. memory is 16.1GB. * Witness Printer took 108.95ms. Allocated memory is still 268.4MB. Free memory was 146.1MB in the beginning and 137.8MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!offset * 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, 102 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.2s, OverallIterations: 22, TraceHistogramMax: 30, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2010 SdHoareTripleChecker+Valid, 5.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2002 mSDsluCounter, 9838 SdHoareTripleChecker+Invalid, 5.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6995 mSDsCounter, 381 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5101 IncrementalHoareTripleChecker+Invalid, 5482 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 381 mSolverCounterUnsat, 2843 mSDtfsCounter, 5101 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 903 GetRequests, 746 SyntacticMatches, 9 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 472 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=854occurred in iteration=19, InterpolantAutomatonStates: 149, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 22 MinimizatonAttempts, 1460 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 10.5s InterpolantComputationTime, 3394 NumberOfCodeBlocks, 3394 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 3499 ConstructedInterpolants, 0 QuantifiedInterpolants, 8928 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1785 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 27 InterpolantComputations, 21 PerfectInterpolantSequences, 12523/12716 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 14:14:35,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792812d9-9584-499b-9c73-c52b979caa9a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE