./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 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/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_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC --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-6497de0 [2024-11-24 01:13:19,931 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:13:20,067 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:13:20,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:13:20,075 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:13:20,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:13:20,106 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:13:20,106 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:13:20,109 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:13:20,109 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:13:20,109 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:13:20,110 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:13:20,110 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:13:20,110 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:13:20,110 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:13:20,110 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:13:20,111 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:13:20,111 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:13:20,111 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:13:20,111 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:13:20,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:13:20,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:13:20,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:13:20,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:13:20,112 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:13:20,112 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:13:20,112 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:13:20,112 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:13:20,112 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:13:20,112 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:13:20,112 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:13:20,113 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:13:20,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:13:20,115 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:13:20,116 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:13:20,116 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:13:20,116 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:13:20,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:13:20,116 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:13:20,116 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:13:20,116 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:13:20,116 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:13:20,117 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:13:20,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:13:20,117 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:13:20,117 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:13:20,118 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:13:20,118 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:13:20,118 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_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC 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 [2024-11-24 01:13:20,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:13:20,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:13:20,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:13:20,579 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:13:20,580 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:13:20,581 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-76.i [2024-11-24 01:13:24,286 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/data/17c8195b4/d99ed6a011354a4697fd8bdf1ba550f0/FLAG772a2fc1b [2024-11-24 01:13:24,721 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:13:24,722 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-76.i [2024-11-24 01:13:24,738 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/data/17c8195b4/d99ed6a011354a4697fd8bdf1ba550f0/FLAG772a2fc1b [2024-11-24 01:13:24,770 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/data/17c8195b4/d99ed6a011354a4697fd8bdf1ba550f0 [2024-11-24 01:13:24,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:13:24,776 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:13:24,781 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:13:24,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:13:24,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:13:24,790 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:13:24" (1/1) ... [2024-11-24 01:13:24,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64705a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:13:24, skipping insertion in model container [2024-11-24 01:13:24,795 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:13:24" (1/1) ... [2024-11-24 01:13:24,825 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:13:25,053 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_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-76.i[916,929] [2024-11-24 01:13:25,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:13:25,163 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:13:25,175 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_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-76.i[916,929] [2024-11-24 01:13:25,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:13:25,255 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:13:25,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:13:25 WrapperNode [2024-11-24 01:13:25,255 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:13:25,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:13:25,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:13:25,258 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:13:25,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:13:25" (1/1) ... [2024-11-24 01:13:25,280 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:13:25" (1/1) ... [2024-11-24 01:13:25,339 INFO L138 Inliner]: procedures = 30, calls = 134, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 411 [2024-11-24 01:13:25,339 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:13:25,340 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:13:25,340 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:13:25,340 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:13:25,356 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:13:25" (1/1) ... [2024-11-24 01:13:25,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:13:25" (1/1) ... [2024-11-24 01:13:25,368 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:13:25" (1/1) ... [2024-11-24 01:13:25,380 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-24 01:13:25,380 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:13:25" (1/1) ... [2024-11-24 01:13:25,380 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:13:25" (1/1) ... [2024-11-24 01:13:25,407 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:13:25" (1/1) ... [2024-11-24 01:13:25,409 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:13:25" (1/1) ... [2024-11-24 01:13:25,415 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:13:25" (1/1) ... [2024-11-24 01:13:25,418 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:13:25" (1/1) ... [2024-11-24 01:13:25,420 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:13:25" (1/1) ... [2024-11-24 01:13:25,425 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:13:25,426 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:13:25,427 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:13:25,427 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:13:25,428 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:13:25" (1/1) ... [2024-11-24 01:13:25,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:13:25,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:13:25,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:13:25,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:13:25,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:13:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-24 01:13:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-24 01:13:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-24 01:13:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-24 01:13:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-24 01:13:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-24 01:13:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:13:25,532 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:13:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 01:13:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:13:25,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:13:25,695 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:13:25,698 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:13:26,464 INFO L? ?]: Removed 93 outVars from TransFormulas that were not future-live. [2024-11-24 01:13:26,464 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:13:26,479 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:13:26,480 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:13:26,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:13:26 BoogieIcfgContainer [2024-11-24 01:13:26,480 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:13:26,483 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:13:26,484 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:13:26,490 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:13:26,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:13:24" (1/3) ... [2024-11-24 01:13:26,491 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@142a8f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:13:26, skipping insertion in model container [2024-11-24 01:13:26,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:13:25" (2/3) ... [2024-11-24 01:13:26,492 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@142a8f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:13:26, skipping insertion in model container [2024-11-24 01:13:26,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:13:26" (3/3) ... [2024-11-24 01:13:26,493 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-76.i [2024-11-24 01:13:26,514 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:13:26,516 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. [2024-11-24 01:13:26,594 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:13:26,614 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;@59b880ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:13:26,614 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:13:26,620 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) [2024-11-24 01:13:26,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-24 01:13:26,638 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:13:26,639 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] [2024-11-24 01:13:26,639 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:13:26,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:13:26,651 INFO L85 PathProgramCache]: Analyzing trace with hash -2020212237, now seen corresponding path program 1 times [2024-11-24 01:13:26,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:13:26,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788599437] [2024-11-24 01:13:26,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:13:26,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:13:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:13:27,243 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-24 01:13:27,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:13:27,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788599437] [2024-11-24 01:13:27,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788599437] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:13:27,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871635807] [2024-11-24 01:13:27,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:13:27,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:13:27,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:13:27,252 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:13:27,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:13:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:13:27,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:13:27,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:13:27,699 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-24 01:13:27,703 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:13:27,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871635807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:13:27,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:13:27,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 01:13:27,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939905289] [2024-11-24 01:13:27,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:13:27,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:13:27,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:13:27,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:13:27,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:13:27,747 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) [2024-11-24 01:13:27,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:13:27,799 INFO L93 Difference]: Finished difference Result 193 states and 301 transitions. [2024-11-24 01:13:27,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:13:27,803 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 [2024-11-24 01:13:27,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:13:27,814 INFO L225 Difference]: With dead ends: 193 [2024-11-24 01:13:27,815 INFO L226 Difference]: Without dead ends: 94 [2024-11-24 01:13:27,821 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 [2024-11-24 01:13:27,827 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 [2024-11-24 01:13:27,829 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] [2024-11-24 01:13:27,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-24 01:13:27,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-24 01:13:27,883 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) [2024-11-24 01:13:27,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 133 transitions. [2024-11-24 01:13:27,896 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 133 transitions. Word has length 119 [2024-11-24 01:13:27,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:13:27,897 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 133 transitions. [2024-11-24 01:13:27,897 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) [2024-11-24 01:13:27,898 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 133 transitions. [2024-11-24 01:13:27,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-24 01:13:27,905 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:13:27,906 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] [2024-11-24 01:13:27,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:13:28,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 01:13:28,110 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:13:28,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:13:28,111 INFO L85 PathProgramCache]: Analyzing trace with hash 189444987, now seen corresponding path program 1 times [2024-11-24 01:13:28,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:13:28,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684264807] [2024-11-24 01:13:28,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:13:28,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:13:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:13:28,641 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:13:28,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:13:28,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684264807] [2024-11-24 01:13:28,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684264807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:13:28,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:13:28,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:13:28,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154048295] [2024-11-24 01:13:28,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:13:28,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:13:28,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:13:28,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:13:28,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:13:28,645 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) [2024-11-24 01:13:28,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:13:28,701 INFO L93 Difference]: Finished difference Result 187 states and 266 transitions. [2024-11-24 01:13:28,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:13:28,702 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 [2024-11-24 01:13:28,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:13:28,704 INFO L225 Difference]: With dead ends: 187 [2024-11-24 01:13:28,704 INFO L226 Difference]: Without dead ends: 96 [2024-11-24 01:13:28,705 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 [2024-11-24 01:13:28,706 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 [2024-11-24 01:13:28,707 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] [2024-11-24 01:13:28,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-24 01:13:28,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-24 01:13:28,718 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) [2024-11-24 01:13:28,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 135 transitions. [2024-11-24 01:13:28,720 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 135 transitions. Word has length 119 [2024-11-24 01:13:28,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:13:28,722 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 135 transitions. [2024-11-24 01:13:28,723 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) [2024-11-24 01:13:28,723 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 135 transitions. [2024-11-24 01:13:28,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-24 01:13:28,725 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:13:28,726 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] [2024-11-24 01:13:28,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:13:28,726 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:13:28,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:13:28,727 INFO L85 PathProgramCache]: Analyzing trace with hash -649588675, now seen corresponding path program 1 times [2024-11-24 01:13:28,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:13:28,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364739408] [2024-11-24 01:13:28,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:13:28,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:13:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:13:29,267 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:13:29,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:13:29,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364739408] [2024-11-24 01:13:29,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364739408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:13:29,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:13:29,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:13:29,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107446389] [2024-11-24 01:13:29,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:13:29,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:13:29,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:13:29,272 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:13:29,272 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:13:29,273 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) [2024-11-24 01:13:29,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:13:29,311 INFO L93 Difference]: Finished difference Result 189 states and 267 transitions. [2024-11-24 01:13:29,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:13:29,315 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 [2024-11-24 01:13:29,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:13:29,317 INFO L225 Difference]: With dead ends: 189 [2024-11-24 01:13:29,317 INFO L226 Difference]: Without dead ends: 96 [2024-11-24 01:13:29,318 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 [2024-11-24 01:13:29,322 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 [2024-11-24 01:13:29,323 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] [2024-11-24 01:13:29,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-24 01:13:29,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-24 01:13:29,346 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) [2024-11-24 01:13:29,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 134 transitions. [2024-11-24 01:13:29,350 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 134 transitions. Word has length 119 [2024-11-24 01:13:29,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:13:29,354 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 134 transitions. [2024-11-24 01:13:29,354 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) [2024-11-24 01:13:29,354 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 134 transitions. [2024-11-24 01:13:29,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-24 01:13:29,357 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:13:29,361 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] [2024-11-24 01:13:29,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:13:29,361 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:13:29,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:13:29,362 INFO L85 PathProgramCache]: Analyzing trace with hash 4751163, now seen corresponding path program 1 times [2024-11-24 01:13:29,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:13:29,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924986434] [2024-11-24 01:13:29,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:13:29,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:13:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:13:30,414 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:13:30,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:13:30,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924986434] [2024-11-24 01:13:30,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924986434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:13:30,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:13:30,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:13:30,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207826574] [2024-11-24 01:13:30,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:13:30,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:13:30,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:13:30,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:13:30,420 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:13:30,423 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) [2024-11-24 01:13:31,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:13:31,154 INFO L93 Difference]: Finished difference Result 327 states and 459 transitions. [2024-11-24 01:13:31,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:13:31,156 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 [2024-11-24 01:13:31,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:13:31,158 INFO L225 Difference]: With dead ends: 327 [2024-11-24 01:13:31,159 INFO L226 Difference]: Without dead ends: 234 [2024-11-24 01:13:31,164 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:13:31,165 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 162 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:13:31,165 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 440 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:13:31,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-24 01:13:31,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 187. [2024-11-24 01:13:31,216 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) [2024-11-24 01:13:31,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 263 transitions. [2024-11-24 01:13:31,223 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 263 transitions. Word has length 120 [2024-11-24 01:13:31,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:13:31,228 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 263 transitions. [2024-11-24 01:13:31,228 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) [2024-11-24 01:13:31,228 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 263 transitions. [2024-11-24 01:13:31,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-24 01:13:31,231 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:13:31,231 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] [2024-11-24 01:13:31,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:13:31,232 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:13:31,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:13:31,232 INFO L85 PathProgramCache]: Analyzing trace with hash 427452989, now seen corresponding path program 1 times [2024-11-24 01:13:31,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:13:31,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53400719] [2024-11-24 01:13:31,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:13:31,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:13:31,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:13:34,047 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:13:34,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:13:34,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53400719] [2024-11-24 01:13:34,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53400719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:13:34,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:13:34,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 01:13:34,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225677778] [2024-11-24 01:13:34,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:13:34,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 01:13:34,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:13:34,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 01:13:34,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:13:34,052 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) [2024-11-24 01:13:35,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:13:35,262 INFO L93 Difference]: Finished difference Result 541 states and 754 transitions. [2024-11-24 01:13:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 01:13:35,264 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 [2024-11-24 01:13:35,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:13:35,271 INFO L225 Difference]: With dead ends: 541 [2024-11-24 01:13:35,272 INFO L226 Difference]: Without dead ends: 357 [2024-11-24 01:13:35,273 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:13:35,274 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 137 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:13:35,276 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 551 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 01:13:35,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-24 01:13:35,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 270. [2024-11-24 01:13:35,340 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) [2024-11-24 01:13:35,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 377 transitions. [2024-11-24 01:13:35,345 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 377 transitions. Word has length 120 [2024-11-24 01:13:35,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:13:35,346 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 377 transitions. [2024-11-24 01:13:35,346 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) [2024-11-24 01:13:35,346 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 377 transitions. [2024-11-24 01:13:35,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-24 01:13:35,351 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:13:35,351 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] [2024-11-24 01:13:35,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 01:13:35,351 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:13:35,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:13:35,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1480347512, now seen corresponding path program 1 times [2024-11-24 01:13:35,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:13:35,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707428794] [2024-11-24 01:13:35,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:13:35,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:13:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:13:35,580 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:13:35,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:13:35,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707428794] [2024-11-24 01:13:35,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707428794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:13:35,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:13:35,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:13:35,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417365592] [2024-11-24 01:13:35,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:13:35,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:13:35,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:13:35,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:13:35,583 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:13:35,583 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) [2024-11-24 01:13:35,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:13:35,644 INFO L93 Difference]: Finished difference Result 537 states and 751 transitions. [2024-11-24 01:13:35,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:13:35,645 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 [2024-11-24 01:13:35,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:13:35,651 INFO L225 Difference]: With dead ends: 537 [2024-11-24 01:13:35,655 INFO L226 Difference]: Without dead ends: 270 [2024-11-24 01:13:35,656 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 [2024-11-24 01:13:35,658 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 [2024-11-24 01:13:35,660 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] [2024-11-24 01:13:35,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-24 01:13:35,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2024-11-24 01:13:35,717 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) [2024-11-24 01:13:35,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 374 transitions. [2024-11-24 01:13:35,721 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 374 transitions. Word has length 122 [2024-11-24 01:13:35,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:13:35,722 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 374 transitions. [2024-11-24 01:13:35,722 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) [2024-11-24 01:13:35,722 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 374 transitions. [2024-11-24 01:13:35,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-24 01:13:35,724 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:13:35,724 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] [2024-11-24 01:13:35,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 01:13:35,725 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:13:35,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:13:35,725 INFO L85 PathProgramCache]: Analyzing trace with hash -725682600, now seen corresponding path program 1 times [2024-11-24 01:13:35,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:13:35,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684772968] [2024-11-24 01:13:35,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:13:35,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:13:35,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:13:37,442 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:13:37,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:13:37,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684772968] [2024-11-24 01:13:37,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684772968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:13:37,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:13:37,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:13:37,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648916095] [2024-11-24 01:13:37,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:13:37,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:13:37,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:13:37,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:13:37,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:13:37,447 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) [2024-11-24 01:13:38,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:13:38,182 INFO L93 Difference]: Finished difference Result 737 states and 1019 transitions. [2024-11-24 01:13:38,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:13:38,183 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 [2024-11-24 01:13:38,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:13:38,190 INFO L225 Difference]: With dead ends: 737 [2024-11-24 01:13:38,191 INFO L226 Difference]: Without dead ends: 470 [2024-11-24 01:13:38,192 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:13:38,193 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 179 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:13:38,193 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 398 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:13:38,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2024-11-24 01:13:38,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 272. [2024-11-24 01:13:38,253 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) [2024-11-24 01:13:38,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 374 transitions. [2024-11-24 01:13:38,258 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 374 transitions. Word has length 122 [2024-11-24 01:13:38,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:13:38,259 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 374 transitions. [2024-11-24 01:13:38,259 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) [2024-11-24 01:13:38,260 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 374 transitions. [2024-11-24 01:13:38,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 01:13:38,262 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:13:38,262 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] [2024-11-24 01:13:38,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 01:13:38,262 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:13:38,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:13:38,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1213675190, now seen corresponding path program 1 times [2024-11-24 01:13:38,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:13:38,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101845635] [2024-11-24 01:13:38,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:13:38,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:13:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:13:38,713 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-24 01:13:38,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:13:38,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101845635] [2024-11-24 01:13:38,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101845635] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:13:38,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627533868] [2024-11-24 01:13:38,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:13:38,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:13:38,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:13:38,716 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:13:38,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:13:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:13:39,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 01:13:39,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:13:39,094 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:13:39,094 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:13:39,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627533868] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:13:39,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:13:39,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 10 [2024-11-24 01:13:39,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373398526] [2024-11-24 01:13:39,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:13:39,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:13:39,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:13:39,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:13:39,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:13:39,096 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) [2024-11-24 01:13:39,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:13:39,184 INFO L93 Difference]: Finished difference Result 553 states and 760 transitions. [2024-11-24 01:13:39,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:13:39,184 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 [2024-11-24 01:13:39,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:13:39,187 INFO L225 Difference]: With dead ends: 553 [2024-11-24 01:13:39,187 INFO L226 Difference]: Without dead ends: 284 [2024-11-24 01:13:39,192 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 [2024-11-24 01:13:39,193 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 [2024-11-24 01:13:39,193 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] [2024-11-24 01:13:39,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-24 01:13:39,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 284. [2024-11-24 01:13:39,223 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) [2024-11-24 01:13:39,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 386 transitions. [2024-11-24 01:13:39,227 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 386 transitions. Word has length 124 [2024-11-24 01:13:39,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:13:39,231 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 386 transitions. [2024-11-24 01:13:39,231 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) [2024-11-24 01:13:39,232 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 386 transitions. [2024-11-24 01:13:39,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 01:13:39,233 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:13:39,233 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] [2024-11-24 01:13:39,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 01:13:39,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:13:39,434 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:13:39,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:13:39,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1518996242, now seen corresponding path program 1 times [2024-11-24 01:13:39,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:13:39,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862846237] [2024-11-24 01:13:39,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:13:39,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:13:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:13:39,550 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:13:39,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:13:39,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862846237] [2024-11-24 01:13:39,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862846237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:13:39,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:13:39,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:13:39,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205578524] [2024-11-24 01:13:39,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:13:39,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:13:39,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:13:39,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:13:39,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:13:39,554 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) [2024-11-24 01:13:39,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:13:39,596 INFO L93 Difference]: Finished difference Result 570 states and 779 transitions. [2024-11-24 01:13:39,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:13:39,597 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 [2024-11-24 01:13:39,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:13:39,600 INFO L225 Difference]: With dead ends: 570 [2024-11-24 01:13:39,600 INFO L226 Difference]: Without dead ends: 289 [2024-11-24 01:13:39,601 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 [2024-11-24 01:13:39,602 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 [2024-11-24 01:13:39,602 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] [2024-11-24 01:13:39,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-24 01:13:39,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2024-11-24 01:13:39,634 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) [2024-11-24 01:13:39,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 391 transitions. [2024-11-24 01:13:39,640 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 391 transitions. Word has length 124 [2024-11-24 01:13:39,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:13:39,641 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 391 transitions. [2024-11-24 01:13:39,641 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) [2024-11-24 01:13:39,641 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 391 transitions. [2024-11-24 01:13:39,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 01:13:39,643 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:13:39,644 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] [2024-11-24 01:13:39,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 01:13:39,644 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:13:39,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:13:39,646 INFO L85 PathProgramCache]: Analyzing trace with hash 507878992, now seen corresponding path program 1 times [2024-11-24 01:13:39,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:13:39,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940600091] [2024-11-24 01:13:39,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:13:39,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:13:39,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:13:41,223 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:13:41,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:13:41,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940600091] [2024-11-24 01:13:41,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940600091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:13:41,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:13:41,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:13:41,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347770838] [2024-11-24 01:13:41,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:13:41,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:13:41,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:13:41,226 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:13:41,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:13:41,226 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) [2024-11-24 01:13:42,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:13:42,358 INFO L93 Difference]: Finished difference Result 684 states and 917 transitions. [2024-11-24 01:13:42,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 01:13:42,359 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 [2024-11-24 01:13:42,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:13:42,362 INFO L225 Difference]: With dead ends: 684 [2024-11-24 01:13:42,362 INFO L226 Difference]: Without dead ends: 398 [2024-11-24 01:13:42,364 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 [2024-11-24 01:13:42,365 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 191 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:13:42,366 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 531 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 01:13:42,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-11-24 01:13:42,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 287. [2024-11-24 01:13:42,429 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) [2024-11-24 01:13:42,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 387 transitions. [2024-11-24 01:13:42,434 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 387 transitions. Word has length 124 [2024-11-24 01:13:42,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:13:42,435 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 387 transitions. [2024-11-24 01:13:42,435 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) [2024-11-24 01:13:42,436 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 387 transitions. [2024-11-24 01:13:42,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-24 01:13:42,438 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:13:42,439 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] [2024-11-24 01:13:42,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 01:13:42,439 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:13:42,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:13:42,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1018530735, now seen corresponding path program 1 times [2024-11-24 01:13:42,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:13:42,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313955930] [2024-11-24 01:13:42,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:13:42,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:13:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:13:43,816 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:13:43,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:13:43,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313955930] [2024-11-24 01:13:43,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313955930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:13:43,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:13:43,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:13:43,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412891531] [2024-11-24 01:13:43,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:13:43,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:13:43,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:13:43,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:13:43,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:13:43,818 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) [2024-11-24 01:13:44,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:13:44,595 INFO L93 Difference]: Finished difference Result 766 states and 1034 transitions. [2024-11-24 01:13:44,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:13:44,596 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 [2024-11-24 01:13:44,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:13:44,600 INFO L225 Difference]: With dead ends: 766 [2024-11-24 01:13:44,600 INFO L226 Difference]: Without dead ends: 482 [2024-11-24 01:13:44,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:13:44,602 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 155 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:13:44,603 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 486 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 01:13:44,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-11-24 01:13:44,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 302. [2024-11-24 01:13:44,642 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) [2024-11-24 01:13:44,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 406 transitions. [2024-11-24 01:13:44,646 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 406 transitions. Word has length 126 [2024-11-24 01:13:44,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:13:44,647 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 406 transitions. [2024-11-24 01:13:44,647 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) [2024-11-24 01:13:44,647 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 406 transitions. [2024-11-24 01:13:44,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-24 01:13:44,649 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:13:44,649 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] [2024-11-24 01:13:44,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 01:13:44,650 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:13:44,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:13:44,650 INFO L85 PathProgramCache]: Analyzing trace with hash -470688275, now seen corresponding path program 1 times [2024-11-24 01:13:44,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:13:44,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752029837] [2024-11-24 01:13:44,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:13:44,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:13:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:13:46,160 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:13:46,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:13:46,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752029837] [2024-11-24 01:13:46,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752029837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:13:46,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:13:46,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:13:46,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490133372] [2024-11-24 01:13:46,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:13:46,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:13:46,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:13:46,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:13:46,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:13:46,164 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) [2024-11-24 01:13:46,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:13:46,953 INFO L93 Difference]: Finished difference Result 618 states and 828 transitions. [2024-11-24 01:13:46,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:13:46,954 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 [2024-11-24 01:13:46,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:13:46,958 INFO L225 Difference]: With dead ends: 618 [2024-11-24 01:13:46,958 INFO L226 Difference]: Without dead ends: 319 [2024-11-24 01:13:46,959 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:13:46,960 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 62 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:13:46,961 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 451 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 01:13:46,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-24 01:13:47,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 302. [2024-11-24 01:13:47,002 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) [2024-11-24 01:13:47,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 404 transitions. [2024-11-24 01:13:47,006 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 404 transitions. Word has length 126 [2024-11-24 01:13:47,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:13:47,007 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 404 transitions. [2024-11-24 01:13:47,007 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) [2024-11-24 01:13:47,007 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 404 transitions. [2024-11-24 01:13:47,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-24 01:13:47,009 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:13:47,010 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] [2024-11-24 01:13:47,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 01:13:47,010 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:13:47,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:13:47,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1670491939, now seen corresponding path program 1 times [2024-11-24 01:13:47,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:13:47,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589769113] [2024-11-24 01:13:47,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:13:47,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:13:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:13:48,421 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:13:48,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:13:48,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589769113] [2024-11-24 01:13:48,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589769113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:13:48,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:13:48,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:13:48,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039267398] [2024-11-24 01:13:48,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:13:48,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:13:48,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:13:48,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:13:48,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:13:48,425 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) [2024-11-24 01:13:49,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:13:49,265 INFO L93 Difference]: Finished difference Result 666 states and 891 transitions. [2024-11-24 01:13:49,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:13:49,266 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 [2024-11-24 01:13:49,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:13:49,268 INFO L225 Difference]: With dead ends: 666 [2024-11-24 01:13:49,269 INFO L226 Difference]: Without dead ends: 479 [2024-11-24 01:13:49,269 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:13:49,270 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 85 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:13:49,270 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 723 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:13:49,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2024-11-24 01:13:49,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 476. [2024-11-24 01:13:49,321 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) [2024-11-24 01:13:49,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 635 transitions. [2024-11-24 01:13:49,325 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 635 transitions. Word has length 128 [2024-11-24 01:13:49,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:13:49,328 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 635 transitions. [2024-11-24 01:13:49,329 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) [2024-11-24 01:13:49,329 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 635 transitions. [2024-11-24 01:13:49,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-24 01:13:49,331 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:13:49,331 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] [2024-11-24 01:13:49,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 01:13:49,331 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:13:49,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:13:49,332 INFO L85 PathProgramCache]: Analyzing trace with hash -905662791, now seen corresponding path program 1 times [2024-11-24 01:13:49,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:13:49,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120759189] [2024-11-24 01:13:49,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:13:49,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:13:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:13:49,641 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:13:49,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:13:49,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120759189] [2024-11-24 01:13:49,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120759189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:13:49,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:13:49,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:13:49,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998634738] [2024-11-24 01:13:49,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:13:49,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:13:49,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:13:49,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:13:49,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:13:49,645 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) [2024-11-24 01:13:50,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:13:50,168 INFO L93 Difference]: Finished difference Result 963 states and 1277 transitions. [2024-11-24 01:13:50,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:13:50,169 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 [2024-11-24 01:13:50,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:13:50,173 INFO L225 Difference]: With dead ends: 963 [2024-11-24 01:13:50,173 INFO L226 Difference]: Without dead ends: 490 [2024-11-24 01:13:50,174 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 [2024-11-24 01:13:50,175 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 53 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:13:50,175 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 470 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:13:50,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2024-11-24 01:13:50,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 488. [2024-11-24 01:13:50,223 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) [2024-11-24 01:13:50,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 641 transitions. [2024-11-24 01:13:50,227 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 641 transitions. Word has length 129 [2024-11-24 01:13:50,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:13:50,228 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 641 transitions. [2024-11-24 01:13:50,228 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) [2024-11-24 01:13:50,228 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 641 transitions. [2024-11-24 01:13:50,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-24 01:13:50,230 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:13:50,231 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] [2024-11-24 01:13:50,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-24 01:13:50,231 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:13:50,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:13:50,232 INFO L85 PathProgramCache]: Analyzing trace with hash 829750658, now seen corresponding path program 1 times [2024-11-24 01:13:50,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:13:50,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074176627] [2024-11-24 01:13:50,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:13:50,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:13:50,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:13:51,466 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:13:51,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:13:51,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074176627] [2024-11-24 01:13:51,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074176627] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:13:51,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:13:51,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 01:13:51,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534317834] [2024-11-24 01:13:51,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:13:51,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:13:51,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:13:51,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:13:51,469 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:13:51,469 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) [2024-11-24 01:13:52,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:13:52,366 INFO L93 Difference]: Finished difference Result 823 states and 1065 transitions. [2024-11-24 01:13:52,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 01:13:52,367 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 [2024-11-24 01:13:52,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:13:52,372 INFO L225 Difference]: With dead ends: 823 [2024-11-24 01:13:52,373 INFO L226 Difference]: Without dead ends: 821 [2024-11-24 01:13:52,373 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 [2024-11-24 01:13:52,374 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 74 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:13:52,374 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 609 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 01:13:52,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2024-11-24 01:13:52,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 817. [2024-11-24 01:13:52,478 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) [2024-11-24 01:13:52,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1056 transitions. [2024-11-24 01:13:52,485 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1056 transitions. Word has length 130 [2024-11-24 01:13:52,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:13:52,486 INFO L471 AbstractCegarLoop]: Abstraction has 817 states and 1056 transitions. [2024-11-24 01:13:52,486 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) [2024-11-24 01:13:52,486 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1056 transitions. [2024-11-24 01:13:52,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-24 01:13:52,489 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:13:52,489 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] [2024-11-24 01:13:52,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-24 01:13:52,489 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:13:52,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:13:52,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1060491747, now seen corresponding path program 1 times [2024-11-24 01:13:52,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:13:52,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679367695] [2024-11-24 01:13:52,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:13:52,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:13:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:13:52,902 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:13:52,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:13:52,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679367695] [2024-11-24 01:13:52,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679367695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:13:52,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:13:52,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:13:52,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222409085] [2024-11-24 01:13:52,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:13:52,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:13:52,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:13:52,904 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:13:52,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:13:52,904 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) [2024-11-24 01:13:53,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:13:53,451 INFO L93 Difference]: Finished difference Result 1436 states and 1849 transitions. [2024-11-24 01:13:53,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:13:53,452 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 [2024-11-24 01:13:53,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:13:53,461 INFO L225 Difference]: With dead ends: 1436 [2024-11-24 01:13:53,462 INFO L226 Difference]: Without dead ends: 817 [2024-11-24 01:13:53,463 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 [2024-11-24 01:13:53,464 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 48 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:13:53,465 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 370 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:13:53,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2024-11-24 01:13:53,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 815. [2024-11-24 01:13:53,575 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) [2024-11-24 01:13:53,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 1041 transitions. [2024-11-24 01:13:53,583 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 1041 transitions. Word has length 130 [2024-11-24 01:13:53,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:13:53,583 INFO L471 AbstractCegarLoop]: Abstraction has 815 states and 1041 transitions. [2024-11-24 01:13:53,583 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) [2024-11-24 01:13:53,584 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1041 transitions. [2024-11-24 01:13:53,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-24 01:13:53,586 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:13:53,586 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] [2024-11-24 01:13:53,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-24 01:13:53,587 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:13:53,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:13:53,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1621895359, now seen corresponding path program 1 times [2024-11-24 01:13:53,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:13:53,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948817338] [2024-11-24 01:13:53,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:13:53,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:13:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:13:53,881 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:13:53,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:13:53,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948817338] [2024-11-24 01:13:53,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948817338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:13:53,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:13:53,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:13:53,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677761413] [2024-11-24 01:13:53,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:13:53,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:13:53,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:13:53,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:13:53,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:13:53,885 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) [2024-11-24 01:13:54,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:13:54,559 INFO L93 Difference]: Finished difference Result 2064 states and 2645 transitions. [2024-11-24 01:13:54,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:13:54,560 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 [2024-11-24 01:13:54,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:13:54,569 INFO L225 Difference]: With dead ends: 2064 [2024-11-24 01:13:54,569 INFO L226 Difference]: Without dead ends: 1252 [2024-11-24 01:13:54,572 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 [2024-11-24 01:13:54,573 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 77 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:13:54,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 460 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 01:13:54,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2024-11-24 01:13:54,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 827. [2024-11-24 01:13:54,709 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) [2024-11-24 01:13:54,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1051 transitions. [2024-11-24 01:13:54,716 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1051 transitions. Word has length 131 [2024-11-24 01:13:54,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:13:54,716 INFO L471 AbstractCegarLoop]: Abstraction has 827 states and 1051 transitions. [2024-11-24 01:13:54,717 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) [2024-11-24 01:13:54,717 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1051 transitions. [2024-11-24 01:13:54,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-24 01:13:54,719 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:13:54,719 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] [2024-11-24 01:13:54,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-24 01:13:54,720 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:13:54,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:13:54,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1228868349, now seen corresponding path program 1 times [2024-11-24 01:13:54,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:13:54,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887291742] [2024-11-24 01:13:54,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:13:54,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:13:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:13:55,079 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-24 01:13:55,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:13:55,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887291742] [2024-11-24 01:13:55,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887291742] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:13:55,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634238184] [2024-11-24 01:13:55,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:13:55,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:13:55,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:13:55,083 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:13:55,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 01:13:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:13:55,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 01:13:55,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:13:55,531 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:13:55,531 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:13:55,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [634238184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:13:55,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:13:55,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 12 [2024-11-24 01:13:55,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024690917] [2024-11-24 01:13:55,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:13:55,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:13:55,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:13:55,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:13:55,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:13:55,534 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) [2024-11-24 01:13:55,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:13:55,674 INFO L93 Difference]: Finished difference Result 1671 states and 2123 transitions. [2024-11-24 01:13:55,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:13:55,674 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 [2024-11-24 01:13:55,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:13:55,680 INFO L225 Difference]: With dead ends: 1671 [2024-11-24 01:13:55,680 INFO L226 Difference]: Without dead ends: 847 [2024-11-24 01:13:55,682 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 [2024-11-24 01:13:55,683 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 [2024-11-24 01:13:55,683 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] [2024-11-24 01:13:55,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2024-11-24 01:13:55,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 847. [2024-11-24 01:13:55,768 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) [2024-11-24 01:13:55,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1069 transitions. [2024-11-24 01:13:55,774 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1069 transitions. Word has length 131 [2024-11-24 01:13:55,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:13:55,774 INFO L471 AbstractCegarLoop]: Abstraction has 847 states and 1069 transitions. [2024-11-24 01:13:55,775 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) [2024-11-24 01:13:55,775 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1069 transitions. [2024-11-24 01:13:55,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-24 01:13:55,777 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:13:55,778 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] [2024-11-24 01:13:55,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-24 01:13:55,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-24 01:13:55,982 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:13:55,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:13:55,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1323025862, now seen corresponding path program 1 times [2024-11-24 01:13:55,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:13:55,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637206202] [2024-11-24 01:13:55,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:13:55,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:13:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:13:56,208 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:13:56,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:13:56,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637206202] [2024-11-24 01:13:56,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637206202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:13:56,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:13:56,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:13:56,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196422925] [2024-11-24 01:13:56,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:13:56,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:13:56,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:13:56,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:13:56,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:13:56,211 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) [2024-11-24 01:13:56,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:13:56,892 INFO L93 Difference]: Finished difference Result 1706 states and 2148 transitions. [2024-11-24 01:13:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:13:56,893 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 [2024-11-24 01:13:56,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:13:56,900 INFO L225 Difference]: With dead ends: 1706 [2024-11-24 01:13:56,900 INFO L226 Difference]: Without dead ends: 862 [2024-11-24 01:13:56,902 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 [2024-11-24 01:13:56,903 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 92 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:13:56,903 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 465 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 01:13:56,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2024-11-24 01:13:57,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 854. [2024-11-24 01:13:57,010 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) [2024-11-24 01:13:57,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 1069 transitions. [2024-11-24 01:13:57,017 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 1069 transitions. Word has length 132 [2024-11-24 01:13:57,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:13:57,017 INFO L471 AbstractCegarLoop]: Abstraction has 854 states and 1069 transitions. [2024-11-24 01:13:57,017 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) [2024-11-24 01:13:57,018 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1069 transitions. [2024-11-24 01:13:57,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-24 01:13:57,020 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:13:57,020 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] [2024-11-24 01:13:57,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-24 01:13:57,020 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:13:57,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:13:57,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1667785729, now seen corresponding path program 1 times [2024-11-24 01:13:57,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:13:57,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876188734] [2024-11-24 01:13:57,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:13:57,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:13:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:13:58,183 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 15 proven. 27 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-24 01:13:58,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:13:58,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876188734] [2024-11-24 01:13:58,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876188734] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:13:58,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844173171] [2024-11-24 01:13:58,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:13:58,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:13:58,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:13:58,187 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:13:58,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 01:13:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:13:58,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-24 01:13:58,604 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:13:58,691 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 [2024-11-24 01:13:58,736 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 [2024-11-24 01:13:58,791 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 [2024-11-24 01:13:58,845 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 [2024-11-24 01:13:58,902 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 [2024-11-24 01:13:58,971 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 [2024-11-24 01:13:59,004 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 [2024-11-24 01:13:59,026 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:13:59,026 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 [2024-11-24 01:13:59,106 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:13:59,107 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 [2024-11-24 01:13:59,329 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:13:59,329 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 [2024-11-24 01:13:59,507 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:13:59,508 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 [2024-11-24 01:13:59,544 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 204 proven. 27 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-11-24 01:13:59,544 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:14:00,084 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 15 proven. 27 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-24 01:14:00,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1844173171] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:14:00,084 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:14:00,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 7] total 15 [2024-11-24 01:14:00,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777823578] [2024-11-24 01:14:00,085 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:14:00,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-24 01:14:00,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:14:00,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-24 01:14:00,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-24 01:14:00,087 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) [2024-11-24 01:14:03,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:14:03,040 INFO L93 Difference]: Finished difference Result 1568 states and 1938 transitions. [2024-11-24 01:14:03,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-24 01:14:03,042 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 [2024-11-24 01:14:03,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:14:03,049 INFO L225 Difference]: With dead ends: 1568 [2024-11-24 01:14:03,049 INFO L226 Difference]: Without dead ends: 763 [2024-11-24 01:14:03,054 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 260 SyntacticMatches, 9 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 445 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=426, Invalid=1554, Unknown=0, NotChecked=0, Total=1980 [2024-11-24 01:14:03,055 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 624 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 1144 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:14:03,058 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [625 Valid, 513 Invalid, 1270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 1144 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-24 01:14:03,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2024-11-24 01:14:03,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 669. [2024-11-24 01:14:03,151 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) [2024-11-24 01:14:03,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 820 transitions. [2024-11-24 01:14:03,160 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 820 transitions. Word has length 132 [2024-11-24 01:14:03,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:14:03,161 INFO L471 AbstractCegarLoop]: Abstraction has 669 states and 820 transitions. [2024-11-24 01:14:03,161 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) [2024-11-24 01:14:03,161 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 820 transitions. [2024-11-24 01:14:03,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-24 01:14:03,166 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:14:03,167 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] [2024-11-24 01:14:03,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-24 01:14:03,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:14:03,368 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:14:03,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:14:03,369 INFO L85 PathProgramCache]: Analyzing trace with hash -953934379, now seen corresponding path program 1 times [2024-11-24 01:14:03,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:14:03,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793190333] [2024-11-24 01:14:03,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:03,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:14:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:14:03,692 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 01:14:03,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:14:03,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793190333] [2024-11-24 01:14:03,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793190333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:14:03,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:14:03,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:14:03,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799976887] [2024-11-24 01:14:03,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:14:03,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:14:03,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:14:03,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:14:03,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:14:03,695 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) [2024-11-24 01:14:04,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:14:04,379 INFO L93 Difference]: Finished difference Result 1616 states and 1974 transitions. [2024-11-24 01:14:04,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:14:04,380 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 [2024-11-24 01:14:04,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:14:04,389 INFO L225 Difference]: With dead ends: 1616 [2024-11-24 01:14:04,389 INFO L226 Difference]: Without dead ends: 950 [2024-11-24 01:14:04,391 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 [2024-11-24 01:14:04,393 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 63 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:14:04,393 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 475 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 01:14:04,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2024-11-24 01:14:04,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 668. [2024-11-24 01:14:04,492 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) [2024-11-24 01:14:04,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 804 transitions. [2024-11-24 01:14:04,497 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 804 transitions. Word has length 133 [2024-11-24 01:14:04,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:14:04,497 INFO L471 AbstractCegarLoop]: Abstraction has 668 states and 804 transitions. [2024-11-24 01:14:04,497 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) [2024-11-24 01:14:04,498 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 804 transitions. [2024-11-24 01:14:04,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-11-24 01:14:04,504 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:14:04,504 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] [2024-11-24 01:14:04,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-24 01:14:04,505 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:14:04,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:14:04,505 INFO L85 PathProgramCache]: Analyzing trace with hash -544148743, now seen corresponding path program 1 times [2024-11-24 01:14:04,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:14:04,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670061152] [2024-11-24 01:14:04,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:04,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:14:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:14:05,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1796 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1776 trivial. 0 not checked. [2024-11-24 01:14:05,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:14:05,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670061152] [2024-11-24 01:14:05,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670061152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:14:05,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:14:05,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:14:05,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339369380] [2024-11-24 01:14:05,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:14:05,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:14:05,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:14:05,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:14:05,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:14:05,150 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) [2024-11-24 01:14:05,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:14:05,443 INFO L93 Difference]: Finished difference Result 835 states and 997 transitions. [2024-11-24 01:14:05,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:14:05,447 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 [2024-11-24 01:14:05,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:14:05,449 INFO L225 Difference]: With dead ends: 835 [2024-11-24 01:14:05,449 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 01:14:05,451 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 [2024-11-24 01:14:05,453 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:14:05,454 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 247 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:14:05,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 01:14:05,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 01:14:05,455 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) [2024-11-24 01:14:05,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 01:14:05,456 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 247 [2024-11-24 01:14:05,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:14:05,456 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 01:14:05,456 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) [2024-11-24 01:14:05,457 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 01:14:05,457 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 01:14:05,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:14:05,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-24 01:14:05,465 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] [2024-11-24 01:14:05,469 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 01:14:20,097 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:14:20,111 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-24 01:14:20,112 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-24 01:14:20,112 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-11-24 01:14:20,113 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-24 01:14:20,113 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-24 01:14:20,113 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-11-24 01:14:20,113 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-24 01:14:20,113 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-24 01:14:20,113 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-11-24 01:14:20,114 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-24 01:14:20,114 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-24 01:14:20,114 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-11-24 01:14:20,114 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-24 01:14:20,114 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-24 01:14:20,114 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-11-24 01:14:20,114 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!offset [2024-11-24 01:14:20,114 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-24 01:14:20,114 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-24 01:14:20,114 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-11-24 01:14:20,114 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-24 01:14:20,114 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-24 01:14:20,114 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-11-24 01:14:20,115 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-24 01:14:20,115 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-24 01:14:20,115 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-11-24 01:14:20,116 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-24 01:14:20,116 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-24 01:14:20,116 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-11-24 01:14:20,116 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-24 01:14:20,116 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-24 01:14:20,116 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-11-24 01:14:20,116 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-24 01:14:20,116 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-24 01:14:20,117 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-11-24 01:14:20,117 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-24 01:14:20,117 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-24 01:14:20,117 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-11-24 01:14:20,117 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-24 01:14:20,117 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-24 01:14:20,117 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-11-24 01:14:20,118 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!offset [2024-11-24 01:14:20,118 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-24 01:14:20,118 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-24 01:14:20,118 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-11-24 01:14:20,118 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-24 01:14:20,118 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-24 01:14:20,118 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-11-24 01:14:20,119 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-24 01:14:20,119 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-24 01:14:20,119 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-11-24 01:14:20,119 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-24 01:14:20,119 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-24 01:14:20,119 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-11-24 01:14:20,120 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-24 01:14:20,120 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-24 01:14:20,120 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-11-24 01:14:20,120 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-24 01:14:20,120 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-24 01:14:20,120 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-11-24 01:14:20,120 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-24 01:14:20,120 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-24 01:14:20,121 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-11-24 01:14:20,121 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-24 01:14:20,121 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-24 01:14:20,121 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-11-24 01:14:20,121 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-24 01:14:20,121 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-24 01:14:20,121 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-11-24 01:14:20,122 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-24 01:14:20,122 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-24 01:14:20,122 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-11-24 01:14:20,122 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-24 01:14:20,122 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-24 01:14:20,122 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-11-24 01:14:20,122 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!offset [2024-11-24 01:14:20,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:14:20 BoogieIcfgContainer [2024-11-24 01:14:20,123 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:14:20,124 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:14:20,124 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:14:20,124 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:14:20,125 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:13:26" (3/4) ... [2024-11-24 01:14:20,128 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 01:14:20,135 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-24 01:14:20,146 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-24 01:14:20,147 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-24 01:14:20,147 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 01:14:20,150 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 01:14:20,287 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:14:20,287 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 01:14:20,287 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:14:20,288 INFO L158 Benchmark]: Toolchain (without parser) took 55511.83ms. Allocated memory was 142.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 105.3MB in the beginning and 1.1GB in the end (delta: -972.1MB). Peak memory consumption was 92.8MB. Max. memory is 16.1GB. [2024-11-24 01:14:20,288 INFO L158 Benchmark]: CDTParser took 2.09ms. Allocated memory is still 167.8MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:14:20,288 INFO L158 Benchmark]: CACSL2BoogieTranslator took 474.97ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 89.9MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:14:20,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.57ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 86.6MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:14:20,289 INFO L158 Benchmark]: Boogie Preprocessor took 85.24ms. Allocated memory is still 142.6MB. Free memory was 86.6MB in the beginning and 83.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:14:20,289 INFO L158 Benchmark]: RCFGBuilder took 1054.22ms. Allocated memory is still 142.6MB. Free memory was 83.9MB in the beginning and 56.4MB in the end (delta: 27.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 01:14:20,289 INFO L158 Benchmark]: TraceAbstraction took 53639.74ms. Allocated memory was 142.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 55.7MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 675.9MB. Max. memory is 16.1GB. [2024-11-24 01:14:20,290 INFO L158 Benchmark]: Witness Printer took 163.31ms. Allocated memory is still 1.2GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:14:20,292 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.09ms. Allocated memory is still 167.8MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 474.97ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 89.9MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.57ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 86.6MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 85.24ms. Allocated memory is still 142.6MB. Free memory was 86.6MB in the beginning and 83.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1054.22ms. Allocated memory is still 142.6MB. Free memory was 83.9MB in the beginning and 56.4MB in the end (delta: 27.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 53639.74ms. Allocated memory was 142.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 55.7MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 675.9MB. Max. memory is 16.1GB. * Witness Printer took 163.31ms. Allocated memory is still 1.2GB. Free memory was 1.1GB in the beginning and 1.1GB 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: 38.9s, OverallIterations: 22, TraceHistogramMax: 30, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 14.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2010 SdHoareTripleChecker+Valid, 10.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2002 mSDsluCounter, 9838 SdHoareTripleChecker+Invalid, 9.1s 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, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 903 GetRequests, 746 SyntacticMatches, 9 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 472 ImplicationChecksByTransitivity, 2.5s 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: 1.4s AutomataMinimizationTime, 22 MinimizatonAttempts, 1460 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 18.3s 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! [2024-11-24 01:14:20,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d69cce8-cdc7-49a6-9d43-7ab1d19280c2/bin/uautomizer-verify-LYvppIcaGC/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