./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-66.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d321d93c-c0cc-40d6-aa3f-fe266dd04d6f/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d321d93c-c0cc-40d6-aa3f-fe266dd04d6f/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d321d93c-c0cc-40d6-aa3f-fe266dd04d6f/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d321d93c-c0cc-40d6-aa3f-fe266dd04d6f/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d321d93c-c0cc-40d6-aa3f-fe266dd04d6f/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d321d93c-c0cc-40d6-aa3f-fe266dd04d6f/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 775c75957856271495b27a73901f39ce07b49c52661110df0349063090f0d97b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:48:34,264 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:48:34,326 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d321d93c-c0cc-40d6-aa3f-fe266dd04d6f/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 15:48:34,331 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:48:34,332 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:48:34,353 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:48:34,353 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:48:34,353 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:48:34,354 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:48:34,354 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:48:34,354 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:48:34,354 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:48:34,354 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:48:34,354 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:48:34,354 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:48:34,355 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:48:34,355 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:48:34,355 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:48:34,355 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:48:34,355 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:48:34,355 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:48:34,355 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:48:34,355 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:48:34,355 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:48:34,356 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:48:34,356 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:48:34,356 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:48:34,356 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:48:34,356 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:48:34,356 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:48:34,356 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:48:34,356 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:48:34,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:48:34,357 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:48:34,357 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:48:34,357 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:48:34,357 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:48:34,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:48:34,357 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:48:34,357 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:48:34,357 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:48:34,357 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:48:34,357 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:48:34,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:48:34,358 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:48:34,358 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:48:34,358 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:48:34,358 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:48:34,358 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_d321d93c-c0cc-40d6-aa3f-fe266dd04d6f/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 775c75957856271495b27a73901f39ce07b49c52661110df0349063090f0d97b [2024-12-02 15:48:34,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:48:34,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:48:34,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:48:34,581 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:48:34,581 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:48:34,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d321d93c-c0cc-40d6-aa3f-fe266dd04d6f/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-66.i [2024-12-02 15:48:37,340 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d321d93c-c0cc-40d6-aa3f-fe266dd04d6f/bin/uautomizer-verify-84ZbGMXZE1/data/216da15f5/db48ca6af8c541799896edac61d9a25d/FLAGa91585fb9 [2024-12-02 15:48:37,592 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:48:37,593 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d321d93c-c0cc-40d6-aa3f-fe266dd04d6f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-66.i [2024-12-02 15:48:37,606 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d321d93c-c0cc-40d6-aa3f-fe266dd04d6f/bin/uautomizer-verify-84ZbGMXZE1/data/216da15f5/db48ca6af8c541799896edac61d9a25d/FLAGa91585fb9 [2024-12-02 15:48:37,918 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d321d93c-c0cc-40d6-aa3f-fe266dd04d6f/bin/uautomizer-verify-84ZbGMXZE1/data/216da15f5/db48ca6af8c541799896edac61d9a25d [2024-12-02 15:48:37,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:48:37,921 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:48:37,922 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:48:37,922 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:48:37,927 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:48:37,928 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:48:37" (1/1) ... [2024-12-02 15:48:37,929 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b499989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:37, skipping insertion in model container [2024-12-02 15:48:37,929 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:48:37" (1/1) ... [2024-12-02 15:48:37,968 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:48:38,130 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_d321d93c-c0cc-40d6-aa3f-fe266dd04d6f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-66.i[916,929] [2024-12-02 15:48:38,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:48:38,325 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:48:38,337 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_d321d93c-c0cc-40d6-aa3f-fe266dd04d6f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-66.i[916,929] [2024-12-02 15:48:38,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:48:38,446 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:48:38,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:38 WrapperNode [2024-12-02 15:48:38,447 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:48:38,448 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:48:38,448 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:48:38,448 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:48:38,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:38" (1/1) ... [2024-12-02 15:48:38,475 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:38" (1/1) ... [2024-12-02 15:48:38,547 INFO L138 Inliner]: procedures = 26, calls = 123, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 793 [2024-12-02 15:48:38,548 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:48:38,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:48:38,549 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:48:38,549 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:48:38,559 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:38" (1/1) ... [2024-12-02 15:48:38,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:38" (1/1) ... [2024-12-02 15:48:38,569 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:38" (1/1) ... [2024-12-02 15:48:38,606 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 15:48:38,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:38" (1/1) ... [2024-12-02 15:48:38,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:38" (1/1) ... [2024-12-02 15:48:38,626 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:38" (1/1) ... [2024-12-02 15:48:38,628 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:38" (1/1) ... [2024-12-02 15:48:38,636 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:38" (1/1) ... [2024-12-02 15:48:38,642 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:38" (1/1) ... [2024-12-02 15:48:38,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:38" (1/1) ... [2024-12-02 15:48:38,656 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:48:38,657 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:48:38,657 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:48:38,657 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:48:38,658 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:38" (1/1) ... [2024-12-02 15:48:38,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:48:38,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d321d93c-c0cc-40d6-aa3f-fe266dd04d6f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:48:38,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d321d93c-c0cc-40d6-aa3f-fe266dd04d6f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:48:38,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d321d93c-c0cc-40d6-aa3f-fe266dd04d6f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:48:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:48:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:48:38,722 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:48:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:48:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:48:38,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:48:38,865 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:48:38,867 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:48:40,114 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-12-02 15:48:40,114 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:48:40,136 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:48:40,136 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:48:40,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:48:40 BoogieIcfgContainer [2024-12-02 15:48:40,137 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:48:40,139 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:48:40,140 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:48:40,145 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:48:40,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:48:37" (1/3) ... [2024-12-02 15:48:40,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59439439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:48:40, skipping insertion in model container [2024-12-02 15:48:40,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:38" (2/3) ... [2024-12-02 15:48:40,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59439439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:48:40, skipping insertion in model container [2024-12-02 15:48:40,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:48:40" (3/3) ... [2024-12-02 15:48:40,148 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-500_file-66.i [2024-12-02 15:48:40,161 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:48:40,163 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_ps-cn-500_file-66.i that has 2 procedures, 332 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:48:40,239 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:48:40,254 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;@37f44e32, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:48:40,254 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:48:40,260 INFO L276 IsEmpty]: Start isEmpty. Operand has 332 states, 219 states have (on average 1.5844748858447488) internal successors, (347), 220 states have internal predecessors, (347), 110 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2024-12-02 15:48:40,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 710 [2024-12-02 15:48:40,303 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:40,304 INFO L218 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:48:40,305 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:40,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:40,312 INFO L85 PathProgramCache]: Analyzing trace with hash -932862669, now seen corresponding path program 1 times [2024-12-02 15:48:40,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:48:40,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401880168] [2024-12-02 15:48:40,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:40,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:48:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:40,999 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 218 refuted. 0 times theorem prover too weak. 23762 trivial. 0 not checked. [2024-12-02 15:48:40,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:48:40,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401880168] [2024-12-02 15:48:41,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401880168] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:48:41,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755349002] [2024-12-02 15:48:41,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:41,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:48:41,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d321d93c-c0cc-40d6-aa3f-fe266dd04d6f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:48:41,003 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d321d93c-c0cc-40d6-aa3f-fe266dd04d6f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:48:41,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d321d93c-c0cc-40d6-aa3f-fe266dd04d6f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 15:48:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:41,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 1625 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:48:41,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:48:41,585 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 218 proven. 0 refuted. 0 times theorem prover too weak. 23762 trivial. 0 not checked. [2024-12-02 15:48:41,585 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:48:41,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755349002] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:41,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:48:41,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 15:48:41,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297579680] [2024-12-02 15:48:41,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:41,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:48:41,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:48:41,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:48:41,615 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:48:41,618 INFO L87 Difference]: Start difference. First operand has 332 states, 219 states have (on average 1.5844748858447488) internal successors, (347), 220 states have internal predecessors, (347), 110 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) Second operand has 2 states, 2 states have (on average 82.0) internal successors, (164), 2 states have internal predecessors, (164), 2 states have call successors, (110), 2 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 2 states have call successors, (110) [2024-12-02 15:48:41,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:41,678 INFO L93 Difference]: Finished difference Result 652 states and 1230 transitions. [2024-12-02 15:48:41,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:48:41,680 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 82.0) internal successors, (164), 2 states have internal predecessors, (164), 2 states have call successors, (110), 2 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 2 states have call successors, (110) Word has length 709 [2024-12-02 15:48:41,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:41,690 INFO L225 Difference]: With dead ends: 652 [2024-12-02 15:48:41,690 INFO L226 Difference]: Without dead ends: 323 [2024-12-02 15:48:41,696 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 710 GetRequests, 710 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:48:41,699 INFO L435 NwaCegarLoop]: 551 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, 551 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:41,699 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:48:41,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-12-02 15:48:41,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2024-12-02 15:48:41,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 211 states have (on average 1.5687203791469195) internal successors, (331), 211 states have internal predecessors, (331), 110 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2024-12-02 15:48:41,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 551 transitions. [2024-12-02 15:48:41,790 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 551 transitions. Word has length 709 [2024-12-02 15:48:41,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:41,790 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 551 transitions. [2024-12-02 15:48:41,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 82.0) internal successors, (164), 2 states have internal predecessors, (164), 2 states have call successors, (110), 2 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 2 states have call successors, (110) [2024-12-02 15:48:41,791 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 551 transitions. [2024-12-02 15:48:41,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 710 [2024-12-02 15:48:41,815 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:41,815 INFO L218 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:48:41,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d321d93c-c0cc-40d6-aa3f-fe266dd04d6f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 15:48:42,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d321d93c-c0cc-40d6-aa3f-fe266dd04d6f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 15:48:42,016 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:42,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:42,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1532628723, now seen corresponding path program 1 times [2024-12-02 15:48:42,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:48:42,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518885292] [2024-12-02 15:48:42,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:42,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:48:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:42,702 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2024-12-02 15:48:42,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:48:42,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518885292] [2024-12-02 15:48:42,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518885292] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:42,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:42,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:48:42,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818882972] [2024-12-02 15:48:42,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:42,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:48:42,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:48:42,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:48:42,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:48:42,707 INFO L87 Difference]: Start difference. First operand 323 states and 551 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:48:42,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:42,811 INFO L93 Difference]: Finished difference Result 837 states and 1434 transitions. [2024-12-02 15:48:42,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:48:42,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) Word has length 709 [2024-12-02 15:48:42,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:42,820 INFO L225 Difference]: With dead ends: 837 [2024-12-02 15:48:42,820 INFO L226 Difference]: Without dead ends: 517 [2024-12-02 15:48:42,822 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:48:42,823 INFO L435 NwaCegarLoop]: 658 mSDtfsCounter, 323 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 1194 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:42,824 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 1194 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:48:42,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2024-12-02 15:48:42,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 514. [2024-12-02 15:48:42,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 360 states have (on average 1.6111111111111112) internal successors, (580), 361 states have internal predecessors, (580), 151 states have call successors, (151), 2 states have call predecessors, (151), 2 states have return successors, (151), 150 states have call predecessors, (151), 151 states have call successors, (151) [2024-12-02 15:48:42,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 882 transitions. [2024-12-02 15:48:42,891 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 882 transitions. Word has length 709 [2024-12-02 15:48:42,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:42,893 INFO L471 AbstractCegarLoop]: Abstraction has 514 states and 882 transitions. [2024-12-02 15:48:42,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:48:42,893 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 882 transitions. [2024-12-02 15:48:42,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 710 [2024-12-02 15:48:42,899 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:42,899 INFO L218 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:48:42,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:48:42,900 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:42,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:42,901 INFO L85 PathProgramCache]: Analyzing trace with hash 800661297, now seen corresponding path program 1 times [2024-12-02 15:48:42,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:48:42,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31288787] [2024-12-02 15:48:42,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:42,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:48:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:43,373 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2024-12-02 15:48:43,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:48:43,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31288787] [2024-12-02 15:48:43,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31288787] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:43,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:43,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:48:43,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656298689] [2024-12-02 15:48:43,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:43,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:48:43,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:48:43,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:48:43,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:48:43,377 INFO L87 Difference]: Start difference. First operand 514 states and 882 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:48:43,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:43,487 INFO L93 Difference]: Finished difference Result 1382 states and 2375 transitions. [2024-12-02 15:48:43,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:48:43,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) Word has length 709 [2024-12-02 15:48:43,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:43,496 INFO L225 Difference]: With dead ends: 1382 [2024-12-02 15:48:43,496 INFO L226 Difference]: Without dead ends: 871 [2024-12-02 15:48:43,497 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:48:43,498 INFO L435 NwaCegarLoop]: 585 mSDtfsCounter, 314 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 1115 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:43,498 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 1115 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:48:43,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2024-12-02 15:48:43,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 868. [2024-12-02 15:48:43,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 628 states have (on average 1.6178343949044587) internal successors, (1016), 631 states have internal predecessors, (1016), 235 states have call successors, (235), 4 states have call predecessors, (235), 4 states have return successors, (235), 232 states have call predecessors, (235), 235 states have call successors, (235) [2024-12-02 15:48:43,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1486 transitions. [2024-12-02 15:48:43,564 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1486 transitions. Word has length 709 [2024-12-02 15:48:43,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:43,565 INFO L471 AbstractCegarLoop]: Abstraction has 868 states and 1486 transitions. [2024-12-02 15:48:43,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:48:43,566 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1486 transitions. [2024-12-02 15:48:43,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2024-12-02 15:48:43,571 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:43,572 INFO L218 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:48:43,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 15:48:43,572 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:43,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:43,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1369922652, now seen corresponding path program 1 times [2024-12-02 15:48:43,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:48:43,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64437805] [2024-12-02 15:48:43,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:43,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:48:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:43,960 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2024-12-02 15:48:43,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:48:43,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64437805] [2024-12-02 15:48:43,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64437805] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:43,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:43,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:48:43,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82908085] [2024-12-02 15:48:43,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:43,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:48:43,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:48:43,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:48:43,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:48:43,964 INFO L87 Difference]: Start difference. First operand 868 states and 1486 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:48:44,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:44,070 INFO L93 Difference]: Finished difference Result 2352 states and 4048 transitions. [2024-12-02 15:48:44,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:48:44,071 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) Word has length 710 [2024-12-02 15:48:44,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:44,079 INFO L225 Difference]: With dead ends: 2352 [2024-12-02 15:48:44,080 INFO L226 Difference]: Without dead ends: 1487 [2024-12-02 15:48:44,082 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:48:44,083 INFO L435 NwaCegarLoop]: 602 mSDtfsCounter, 246 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 1134 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:44,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 1134 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:48:44,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1487 states. [2024-12-02 15:48:44,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1487 to 1481. [2024-12-02 15:48:44,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1481 states, 1157 states have (on average 1.6508210890233361) internal successors, (1910), 1164 states have internal predecessors, (1910), 315 states have call successors, (315), 8 states have call predecessors, (315), 8 states have return successors, (315), 308 states have call predecessors, (315), 315 states have call successors, (315) [2024-12-02 15:48:44,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1481 states to 1481 states and 2540 transitions. [2024-12-02 15:48:44,194 INFO L78 Accepts]: Start accepts. Automaton has 1481 states and 2540 transitions. Word has length 710 [2024-12-02 15:48:44,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:44,196 INFO L471 AbstractCegarLoop]: Abstraction has 1481 states and 2540 transitions. [2024-12-02 15:48:44,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:48:44,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1481 states and 2540 transitions. [2024-12-02 15:48:44,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2024-12-02 15:48:44,202 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:44,203 INFO L218 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:48:44,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 15:48:44,203 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:44,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:44,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1644682266, now seen corresponding path program 1 times [2024-12-02 15:48:44,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:48:44,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947996189] [2024-12-02 15:48:44,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:44,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:48:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:44,560 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2024-12-02 15:48:44,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:48:44,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947996189] [2024-12-02 15:48:44,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947996189] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:44,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:44,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:48:44,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399594282] [2024-12-02 15:48:44,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:44,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:48:44,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:48:44,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:48:44,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:48:44,564 INFO L87 Difference]: Start difference. First operand 1481 states and 2540 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:48:44,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:44,697 INFO L93 Difference]: Finished difference Result 3759 states and 6388 transitions. [2024-12-02 15:48:44,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:48:44,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) Word has length 710 [2024-12-02 15:48:44,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:44,710 INFO L225 Difference]: With dead ends: 3759 [2024-12-02 15:48:44,710 INFO L226 Difference]: Without dead ends: 2281 [2024-12-02 15:48:44,714 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:48:44,715 INFO L435 NwaCegarLoop]: 669 mSDtfsCounter, 211 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 1207 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:44,715 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 1207 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:48:44,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2281 states. [2024-12-02 15:48:44,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2281 to 2278. [2024-12-02 15:48:44,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2278 states, 1696 states have (on average 1.6008254716981132) internal successors, (2715), 1711 states have internal predecessors, (2715), 565 states have call successors, (565), 16 states have call predecessors, (565), 16 states have return successors, (565), 550 states have call predecessors, (565), 565 states have call successors, (565) [2024-12-02 15:48:44,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2278 states to 2278 states and 3845 transitions. [2024-12-02 15:48:44,932 INFO L78 Accepts]: Start accepts. Automaton has 2278 states and 3845 transitions. Word has length 710 [2024-12-02 15:48:44,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:44,934 INFO L471 AbstractCegarLoop]: Abstraction has 2278 states and 3845 transitions. [2024-12-02 15:48:44,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:48:44,935 INFO L276 IsEmpty]: Start isEmpty. Operand 2278 states and 3845 transitions. [2024-12-02 15:48:44,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2024-12-02 15:48:44,951 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:44,951 INFO L218 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:48:44,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 15:48:44,952 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:44,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:44,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1425827548, now seen corresponding path program 1 times [2024-12-02 15:48:44,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:48:44,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525426101] [2024-12-02 15:48:44,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:44,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:48:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:46,187 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2024-12-02 15:48:46,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:48:46,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525426101] [2024-12-02 15:48:46,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525426101] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:46,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:46,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:48:46,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619903756] [2024-12-02 15:48:46,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:46,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:48:46,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:48:46,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:48:46,190 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:48:46,190 INFO L87 Difference]: Start difference. First operand 2278 states and 3845 transitions. Second operand has 5 states, 5 states have (on average 32.6) internal successors, (163), 5 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:48:47,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:47,524 INFO L93 Difference]: Finished difference Result 7790 states and 13129 transitions. [2024-12-02 15:48:47,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:48:47,525 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 5 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) Word has length 710 [2024-12-02 15:48:47,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:47,552 INFO L225 Difference]: With dead ends: 7790 [2024-12-02 15:48:47,553 INFO L226 Difference]: Without dead ends: 5515 [2024-12-02 15:48:47,558 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:48:47,559 INFO L435 NwaCegarLoop]: 981 mSDtfsCounter, 1434 mSDsluCounter, 2484 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1434 SdHoareTripleChecker+Valid, 3465 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:47,559 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1434 Valid, 3465 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 15:48:47,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5515 states. [2024-12-02 15:48:47,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5515 to 4551. [2024-12-02 15:48:47,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4551 states, 3388 states have (on average 1.5956316410861866) internal successors, (5406), 3418 states have internal predecessors, (5406), 1130 states have call successors, (1130), 32 states have call predecessors, (1130), 32 states have return successors, (1130), 1100 states have call predecessors, (1130), 1130 states have call successors, (1130) [2024-12-02 15:48:47,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4551 states to 4551 states and 7666 transitions. [2024-12-02 15:48:47,875 INFO L78 Accepts]: Start accepts. Automaton has 4551 states and 7666 transitions. Word has length 710 [2024-12-02 15:48:47,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:47,876 INFO L471 AbstractCegarLoop]: Abstraction has 4551 states and 7666 transitions. [2024-12-02 15:48:47,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 5 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:48:47,877 INFO L276 IsEmpty]: Start isEmpty. Operand 4551 states and 7666 transitions. [2024-12-02 15:48:47,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2024-12-02 15:48:47,889 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:47,889 INFO L218 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:48:47,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 15:48:47,889 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:47,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:47,890 INFO L85 PathProgramCache]: Analyzing trace with hash -532747238, now seen corresponding path program 1 times [2024-12-02 15:48:47,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:48:47,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398630396] [2024-12-02 15:48:47,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:47,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:48:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:49,600 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2024-12-02 15:48:49,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:48:49,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398630396] [2024-12-02 15:48:49,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398630396] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:49,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:49,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:48:49,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296751360] [2024-12-02 15:48:49,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:49,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:48:49,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:48:49,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:48:49,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:48:49,604 INFO L87 Difference]: Start difference. First operand 4551 states and 7666 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:48:50,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:50,406 INFO L93 Difference]: Finished difference Result 14879 states and 25091 transitions. [2024-12-02 15:48:50,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:48:50,407 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) Word has length 710 [2024-12-02 15:48:50,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:50,451 INFO L225 Difference]: With dead ends: 14879 [2024-12-02 15:48:50,452 INFO L226 Difference]: Without dead ends: 10331 [2024-12-02 15:48:50,464 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:48:50,465 INFO L435 NwaCegarLoop]: 631 mSDtfsCounter, 875 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 875 SdHoareTripleChecker+Valid, 1362 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:50,465 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [875 Valid, 1362 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:48:50,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10331 states. [2024-12-02 15:48:50,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10331 to 7131. [2024-12-02 15:48:50,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7131 states, 5968 states have (on average 1.664544235924933) internal successors, (9934), 5998 states have internal predecessors, (9934), 1130 states have call successors, (1130), 32 states have call predecessors, (1130), 32 states have return successors, (1130), 1100 states have call predecessors, (1130), 1130 states have call successors, (1130) [2024-12-02 15:48:50,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7131 states to 7131 states and 12194 transitions. [2024-12-02 15:48:51,005 INFO L78 Accepts]: Start accepts. Automaton has 7131 states and 12194 transitions. Word has length 710 [2024-12-02 15:48:51,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:51,006 INFO L471 AbstractCegarLoop]: Abstraction has 7131 states and 12194 transitions. [2024-12-02 15:48:51,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:48:51,007 INFO L276 IsEmpty]: Start isEmpty. Operand 7131 states and 12194 transitions. [2024-12-02 15:48:51,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2024-12-02 15:48:51,019 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:51,019 INFO L218 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:48:51,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 15:48:51,019 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:51,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:51,020 INFO L85 PathProgramCache]: Analyzing trace with hash -457594340, now seen corresponding path program 1 times [2024-12-02 15:48:51,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:48:51,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807742450] [2024-12-02 15:48:51,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:51,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:48:51,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:52,183 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2024-12-02 15:48:52,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:48:52,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807742450] [2024-12-02 15:48:52,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807742450] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:52,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:52,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:48:52,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285764532] [2024-12-02 15:48:52,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:52,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:48:52,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:48:52,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:48:52,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:48:52,186 INFO L87 Difference]: Start difference. First operand 7131 states and 12194 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:48:53,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:53,509 INFO L93 Difference]: Finished difference Result 23799 states and 40354 transitions. [2024-12-02 15:48:53,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:48:53,510 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) Word has length 710 [2024-12-02 15:48:53,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:53,582 INFO L225 Difference]: With dead ends: 23799 [2024-12-02 15:48:53,582 INFO L226 Difference]: Without dead ends: 16671 [2024-12-02 15:48:53,604 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:48:53,605 INFO L435 NwaCegarLoop]: 1118 mSDtfsCounter, 1053 mSDsluCounter, 1624 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1053 SdHoareTripleChecker+Valid, 2742 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:53,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1053 Valid, 2742 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:48:53,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16671 states. [2024-12-02 15:48:54,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16671 to 7355. [2024-12-02 15:48:54,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7355 states, 6192 states have (on average 1.6547157622739017) internal successors, (10246), 6222 states have internal predecessors, (10246), 1130 states have call successors, (1130), 32 states have call predecessors, (1130), 32 states have return successors, (1130), 1100 states have call predecessors, (1130), 1130 states have call successors, (1130) [2024-12-02 15:48:54,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7355 states to 7355 states and 12506 transitions. [2024-12-02 15:48:54,402 INFO L78 Accepts]: Start accepts. Automaton has 7355 states and 12506 transitions. Word has length 710 [2024-12-02 15:48:54,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:54,403 INFO L471 AbstractCegarLoop]: Abstraction has 7355 states and 12506 transitions. [2024-12-02 15:48:54,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:48:54,404 INFO L276 IsEmpty]: Start isEmpty. Operand 7355 states and 12506 transitions. [2024-12-02 15:48:54,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2024-12-02 15:48:54,419 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:54,420 INFO L218 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:48:54,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 15:48:54,420 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:48:54,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:54,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1843228250, now seen corresponding path program 1 times [2024-12-02 15:48:54,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:48:54,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957916039] [2024-12-02 15:48:54,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:54,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:48:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:56,194 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2024-12-02 15:48:56,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:48:56,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957916039] [2024-12-02 15:48:56,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957916039] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:56,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:56,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:48:56,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817125558] [2024-12-02 15:48:56,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:56,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:48:56,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:48:56,196 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:48:56,197 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:48:56,197 INFO L87 Difference]: Start difference. First operand 7355 states and 12506 transitions. Second operand has 8 states, 8 states have (on average 20.375) internal successors, (163), 8 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:49:00,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:49:00,162 INFO L93 Difference]: Finished difference Result 42583 states and 72258 transitions. [2024-12-02 15:49:00,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:49:00,163 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.375) internal successors, (163), 8 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) Word has length 710 [2024-12-02 15:49:00,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:49:00,319 INFO L225 Difference]: With dead ends: 42583 [2024-12-02 15:49:00,319 INFO L226 Difference]: Without dead ends: 35231 [2024-12-02 15:49:00,336 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:49:00,337 INFO L435 NwaCegarLoop]: 813 mSDtfsCounter, 3806 mSDsluCounter, 2057 mSDsCounter, 0 mSdLazyCounter, 1161 mSolverCounterSat, 771 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3806 SdHoareTripleChecker+Valid, 2870 SdHoareTripleChecker+Invalid, 1932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 771 IncrementalHoareTripleChecker+Valid, 1161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:49:00,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3806 Valid, 2870 Invalid, 1932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [771 Valid, 1161 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-12-02 15:49:00,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35231 states. [2024-12-02 15:49:01,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35231 to 22373. [2024-12-02 15:49:01,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22373 states, 19136 states have (on average 1.6624163879598661) internal successors, (31812), 19228 states have internal predecessors, (31812), 3140 states have call successors, (3140), 96 states have call predecessors, (3140), 96 states have return successors, (3140), 3048 states have call predecessors, (3140), 3140 states have call successors, (3140) [2024-12-02 15:49:01,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22373 states to 22373 states and 38092 transitions. [2024-12-02 15:49:01,949 INFO L78 Accepts]: Start accepts. Automaton has 22373 states and 38092 transitions. Word has length 710 [2024-12-02 15:49:01,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:49:01,950 INFO L471 AbstractCegarLoop]: Abstraction has 22373 states and 38092 transitions. [2024-12-02 15:49:01,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.375) internal successors, (163), 8 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:49:01,950 INFO L276 IsEmpty]: Start isEmpty. Operand 22373 states and 38092 transitions. [2024-12-02 15:49:01,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2024-12-02 15:49:01,984 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:49:01,984 INFO L218 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:49:01,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 15:49:01,984 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:49:01,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:49:01,985 INFO L85 PathProgramCache]: Analyzing trace with hash 2045052184, now seen corresponding path program 1 times [2024-12-02 15:49:01,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:49:01,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254733753] [2024-12-02 15:49:01,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:49:01,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:49:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:49:31,865 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2024-12-02 15:49:31,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:49:31,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254733753] [2024-12-02 15:49:31,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254733753] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:49:31,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:49:31,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 15:49:31,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951236645] [2024-12-02 15:49:31,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:49:31,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 15:49:31,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:49:31,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 15:49:31,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-12-02 15:49:31,868 INFO L87 Difference]: Start difference. First operand 22373 states and 38092 transitions. Second operand has 15 states, 15 states have (on average 10.866666666666667) internal successors, (163), 15 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:49:34,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:49:34,798 INFO L93 Difference]: Finished difference Result 51953 states and 87322 transitions. [2024-12-02 15:49:34,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 15:49:34,799 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 10.866666666666667) internal successors, (163), 15 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) Word has length 710 [2024-12-02 15:49:34,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:49:34,869 INFO L225 Difference]: With dead ends: 51953 [2024-12-02 15:49:34,870 INFO L226 Difference]: Without dead ends: 29583 [2024-12-02 15:49:34,897 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-12-02 15:49:34,897 INFO L435 NwaCegarLoop]: 523 mSDtfsCounter, 130 mSDsluCounter, 4602 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 5125 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:49:34,897 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 5125 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 15:49:34,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29583 states. [2024-12-02 15:49:36,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29583 to 24293. [2024-12-02 15:49:36,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24293 states, 21056 states have (on average 1.6384878419452888) internal successors, (34500), 21148 states have internal predecessors, (34500), 3140 states have call successors, (3140), 96 states have call predecessors, (3140), 96 states have return successors, (3140), 3048 states have call predecessors, (3140), 3140 states have call successors, (3140) [2024-12-02 15:49:36,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24293 states to 24293 states and 40780 transitions. [2024-12-02 15:49:36,548 INFO L78 Accepts]: Start accepts. Automaton has 24293 states and 40780 transitions. Word has length 710 [2024-12-02 15:49:36,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:49:36,549 INFO L471 AbstractCegarLoop]: Abstraction has 24293 states and 40780 transitions. [2024-12-02 15:49:36,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 10.866666666666667) internal successors, (163), 15 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:49:36,549 INFO L276 IsEmpty]: Start isEmpty. Operand 24293 states and 40780 transitions. [2024-12-02 15:49:36,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2024-12-02 15:49:36,575 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:49:36,575 INFO L218 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:49:36,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 15:49:36,575 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:49:36,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:49:36,576 INFO L85 PathProgramCache]: Analyzing trace with hash 2046899226, now seen corresponding path program 1 times [2024-12-02 15:49:36,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:49:36,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581831163] [2024-12-02 15:49:36,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:49:36,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:49:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:23,453 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2024-12-02 15:50:23,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:50:23,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581831163] [2024-12-02 15:50:23,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581831163] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:50:23,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:50:23,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 15:50:23,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573176039] [2024-12-02 15:50:23,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:50:23,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 15:50:23,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:50:23,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 15:50:23,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2024-12-02 15:50:23,456 INFO L87 Difference]: Start difference. First operand 24293 states and 40780 transitions. Second operand has 16 states, 16 states have (on average 10.1875) internal successors, (163), 16 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:50:26,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:50:26,882 INFO L93 Difference]: Finished difference Result 29391 states and 48273 transitions. [2024-12-02 15:50:26,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 15:50:26,883 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.1875) internal successors, (163), 16 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) Word has length 710 [2024-12-02 15:50:26,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:50:26,960 INFO L225 Difference]: With dead ends: 29391 [2024-12-02 15:50:26,960 INFO L226 Difference]: Without dead ends: 29389 [2024-12-02 15:50:26,966 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:50:26,967 INFO L435 NwaCegarLoop]: 523 mSDtfsCounter, 116 mSDsluCounter, 3112 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 3635 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:50:26,968 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 3635 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 15:50:26,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29389 states. [2024-12-02 15:50:28,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29389 to 24293. [2024-12-02 15:50:28,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24293 states, 21056 states have (on average 1.6384878419452888) internal successors, (34500), 21148 states have internal predecessors, (34500), 3140 states have call successors, (3140), 96 states have call predecessors, (3140), 96 states have return successors, (3140), 3048 states have call predecessors, (3140), 3140 states have call successors, (3140) [2024-12-02 15:50:28,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24293 states to 24293 states and 40780 transitions. [2024-12-02 15:50:28,246 INFO L78 Accepts]: Start accepts. Automaton has 24293 states and 40780 transitions. Word has length 710 [2024-12-02 15:50:28,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:50:28,247 INFO L471 AbstractCegarLoop]: Abstraction has 24293 states and 40780 transitions. [2024-12-02 15:50:28,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.1875) internal successors, (163), 16 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:50:28,247 INFO L276 IsEmpty]: Start isEmpty. Operand 24293 states and 40780 transitions. [2024-12-02 15:50:28,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2024-12-02 15:50:28,263 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:50:28,264 INFO L218 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:50:28,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 15:50:28,264 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:50:28,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:50:28,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1569856742, now seen corresponding path program 1 times [2024-12-02 15:50:28,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:50:28,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302422055] [2024-12-02 15:50:28,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:28,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:50:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:57,685 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2024-12-02 15:50:57,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:50:57,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302422055] [2024-12-02 15:50:57,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302422055] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:50:57,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:50:57,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 15:50:57,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333684449] [2024-12-02 15:50:57,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:50:57,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 15:50:57,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:50:57,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 15:50:57,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-12-02 15:50:57,687 INFO L87 Difference]: Start difference. First operand 24293 states and 40780 transitions. Second operand has 15 states, 15 states have (on average 10.866666666666667) internal successors, (163), 15 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:51:00,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:51:00,911 INFO L93 Difference]: Finished difference Result 29583 states and 48465 transitions. [2024-12-02 15:51:00,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 15:51:00,912 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 10.866666666666667) internal successors, (163), 15 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) Word has length 710 [2024-12-02 15:51:00,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:51:00,955 INFO L225 Difference]: With dead ends: 29583 [2024-12-02 15:51:00,955 INFO L226 Difference]: Without dead ends: 29581 [2024-12-02 15:51:00,961 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-12-02 15:51:00,961 INFO L435 NwaCegarLoop]: 527 mSDtfsCounter, 139 mSDsluCounter, 2635 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 3162 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:51:00,961 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 3162 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:51:00,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29581 states. [2024-12-02 15:51:02,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29581 to 24773. [2024-12-02 15:51:02,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24773 states, 21536 states have (on average 1.6331723625557206) internal successors, (35172), 21628 states have internal predecessors, (35172), 3140 states have call successors, (3140), 96 states have call predecessors, (3140), 96 states have return successors, (3140), 3048 states have call predecessors, (3140), 3140 states have call successors, (3140) [2024-12-02 15:51:02,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24773 states to 24773 states and 41452 transitions. [2024-12-02 15:51:02,250 INFO L78 Accepts]: Start accepts. Automaton has 24773 states and 41452 transitions. Word has length 710 [2024-12-02 15:51:02,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:51:02,251 INFO L471 AbstractCegarLoop]: Abstraction has 24773 states and 41452 transitions. [2024-12-02 15:51:02,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 10.866666666666667) internal successors, (163), 15 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:51:02,251 INFO L276 IsEmpty]: Start isEmpty. Operand 24773 states and 41452 transitions. [2024-12-02 15:51:02,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2024-12-02 15:51:02,273 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:02,273 INFO L218 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:51:02,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 15:51:02,274 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:51:02,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:02,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1568009700, now seen corresponding path program 1 times [2024-12-02 15:51:02,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:51:02,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525776425] [2024-12-02 15:51:02,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:02,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:51:02,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:38,494 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2024-12-02 15:51:38,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:51:38,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525776425] [2024-12-02 15:51:38,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525776425] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:51:38,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:51:38,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 15:51:38,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837825404] [2024-12-02 15:51:38,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:51:38,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 15:51:38,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:51:38,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 15:51:38,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2024-12-02 15:51:38,496 INFO L87 Difference]: Start difference. First operand 24773 states and 41452 transitions. Second operand has 16 states, 16 states have (on average 10.1875) internal successors, (163), 16 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:51:42,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:51:42,262 INFO L93 Difference]: Finished difference Result 31789 states and 51152 transitions. [2024-12-02 15:51:42,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 15:51:42,263 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.1875) internal successors, (163), 16 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) Word has length 710 [2024-12-02 15:51:42,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:51:42,311 INFO L225 Difference]: With dead ends: 31789 [2024-12-02 15:51:42,311 INFO L226 Difference]: Without dead ends: 31787 [2024-12-02 15:51:42,318 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:51:42,319 INFO L435 NwaCegarLoop]: 544 mSDtfsCounter, 161 mSDsluCounter, 3704 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 4248 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:51:42,319 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 4248 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 15:51:42,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31787 states. [2024-12-02 15:51:43,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31787 to 26789. [2024-12-02 15:51:43,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26789 states, 23072 states have (on average 1.6243065187239945) internal successors, (37476), 23260 states have internal predecessors, (37476), 3524 states have call successors, (3524), 192 states have call predecessors, (3524), 192 states have return successors, (3524), 3336 states have call predecessors, (3524), 3524 states have call successors, (3524) [2024-12-02 15:51:43,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26789 states to 26789 states and 44524 transitions. [2024-12-02 15:51:43,857 INFO L78 Accepts]: Start accepts. Automaton has 26789 states and 44524 transitions. Word has length 710 [2024-12-02 15:51:43,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:51:43,857 INFO L471 AbstractCegarLoop]: Abstraction has 26789 states and 44524 transitions. [2024-12-02 15:51:43,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.1875) internal successors, (163), 16 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:51:43,858 INFO L276 IsEmpty]: Start isEmpty. Operand 26789 states and 44524 transitions. [2024-12-02 15:51:43,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2024-12-02 15:51:43,872 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:43,873 INFO L218 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:51:43,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 15:51:43,873 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:51:43,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:43,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1991749674, now seen corresponding path program 1 times [2024-12-02 15:51:43,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:51:43,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899683472] [2024-12-02 15:51:43,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:43,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:51:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:44,140 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2024-12-02 15:51:44,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:51:44,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899683472] [2024-12-02 15:51:44,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899683472] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:51:44,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:51:44,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:51:44,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586016708] [2024-12-02 15:51:44,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:51:44,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:51:44,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:51:44,141 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:51:44,142 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:51:44,142 INFO L87 Difference]: Start difference. First operand 26789 states and 44524 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:51:46,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:51:46,650 INFO L93 Difference]: Finished difference Result 78441 states and 130782 transitions. [2024-12-02 15:51:46,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:51:46,651 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) Word has length 710 [2024-12-02 15:51:46,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:51:46,742 INFO L225 Difference]: With dead ends: 78441 [2024-12-02 15:51:46,742 INFO L226 Difference]: Without dead ends: 51655 [2024-12-02 15:51:46,787 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:51:46,788 INFO L435 NwaCegarLoop]: 1080 mSDtfsCounter, 538 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 1617 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:51:46,788 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 1617 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:51:46,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51655 states. [2024-12-02 15:51:49,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51655 to 51653. [2024-12-02 15:51:49,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51653 states, 44220 states have (on average 1.610221619176843) internal successors, (71204), 44596 states have internal predecessors, (71204), 7048 states have call successors, (7048), 384 states have call predecessors, (7048), 384 states have return successors, (7048), 6672 states have call predecessors, (7048), 7048 states have call successors, (7048) [2024-12-02 15:51:50,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51653 states to 51653 states and 85300 transitions. [2024-12-02 15:51:50,060 INFO L78 Accepts]: Start accepts. Automaton has 51653 states and 85300 transitions. Word has length 710 [2024-12-02 15:51:50,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:51:50,061 INFO L471 AbstractCegarLoop]: Abstraction has 51653 states and 85300 transitions. [2024-12-02 15:51:50,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:51:50,061 INFO L276 IsEmpty]: Start isEmpty. Operand 51653 states and 85300 transitions. [2024-12-02 15:51:50,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2024-12-02 15:51:50,077 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:50,078 INFO L218 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:51:50,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 15:51:50,078 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:51:50,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:50,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1493870996, now seen corresponding path program 1 times [2024-12-02 15:51:50,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:51:50,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020308645] [2024-12-02 15:51:50,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:50,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:51:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:50,455 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2024-12-02 15:51:50,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:51:50,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020308645] [2024-12-02 15:51:50,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020308645] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:51:50,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:51:50,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:51:50,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451250178] [2024-12-02 15:51:50,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:51:50,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:51:50,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:51:50,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:51:50,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:51:50,458 INFO L87 Difference]: Start difference. First operand 51653 states and 85300 transitions. Second operand has 5 states, 5 states have (on average 32.6) internal successors, (163), 5 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:51:56,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:51:56,561 INFO L93 Difference]: Finished difference Result 144693 states and 238393 transitions. [2024-12-02 15:51:56,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:51:56,562 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 5 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) Word has length 710 [2024-12-02 15:51:56,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:51:56,713 INFO L225 Difference]: With dead ends: 144693 [2024-12-02 15:51:56,713 INFO L226 Difference]: Without dead ends: 93043 [2024-12-02 15:51:56,779 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:51:56,779 INFO L435 NwaCegarLoop]: 563 mSDtfsCounter, 313 mSDsluCounter, 1191 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 1754 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:51:56,780 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 1754 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:51:56,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93043 states. [2024-12-02 15:52:01,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93043 to 89103. [2024-12-02 15:52:01,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89103 states, 77841 states have (on average 1.6269318225613751) internal successors, (126642), 78405 states have internal predecessors, (126642), 10682 states have call successors, (10682), 579 states have call predecessors, (10682), 579 states have return successors, (10682), 10118 states have call predecessors, (10682), 10682 states have call successors, (10682) [2024-12-02 15:52:01,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89103 states to 89103 states and 148006 transitions. [2024-12-02 15:52:01,949 INFO L78 Accepts]: Start accepts. Automaton has 89103 states and 148006 transitions. Word has length 710 [2024-12-02 15:52:01,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:52:01,949 INFO L471 AbstractCegarLoop]: Abstraction has 89103 states and 148006 transitions. [2024-12-02 15:52:01,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 5 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:52:01,950 INFO L276 IsEmpty]: Start isEmpty. Operand 89103 states and 148006 transitions. [2024-12-02 15:52:01,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2024-12-02 15:52:01,968 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:52:01,968 INFO L218 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:52:01,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 15:52:01,969 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:52:01,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:52:01,969 INFO L85 PathProgramCache]: Analyzing trace with hash -2121037930, now seen corresponding path program 1 times [2024-12-02 15:52:01,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:52:01,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055307929] [2024-12-02 15:52:01,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:52:01,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:52:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:52:33,001 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2024-12-02 15:52:33,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:52:33,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055307929] [2024-12-02 15:52:33,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055307929] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:52:33,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:52:33,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 15:52:33,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195820806] [2024-12-02 15:52:33,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:52:33,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:52:33,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:52:33,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:52:33,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:52:33,004 INFO L87 Difference]: Start difference. First operand 89103 states and 148006 transitions. Second operand has 12 states, 12 states have (on average 13.583333333333334) internal successors, (163), 12 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:52:45,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:52:45,352 INFO L93 Difference]: Finished difference Result 100253 states and 161645 transitions. [2024-12-02 15:52:45,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:52:45,353 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 13.583333333333334) internal successors, (163), 12 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) Word has length 710 [2024-12-02 15:52:45,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:52:45,529 INFO L225 Difference]: With dead ends: 100253 [2024-12-02 15:52:45,529 INFO L226 Difference]: Without dead ends: 100251 [2024-12-02 15:52:45,557 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=136, Invalid=284, Unknown=0, NotChecked=0, Total=420 [2024-12-02 15:52:45,558 INFO L435 NwaCegarLoop]: 561 mSDtfsCounter, 508 mSDsluCounter, 2943 mSDsCounter, 0 mSdLazyCounter, 1316 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 3504 SdHoareTripleChecker+Invalid, 1368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:52:45,558 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 3504 Invalid, 1368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1316 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-12-02 15:52:45,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100251 states. [2024-12-02 15:52:52,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100251 to 93903. [2024-12-02 15:52:52,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93903 states, 81585 states have (on average 1.6063982349696635) internal successors, (131058), 82341 states have internal predecessors, (131058), 11450 states have call successors, (11450), 867 states have call predecessors, (11450), 867 states have return successors, (11450), 10694 states have call predecessors, (11450), 11450 states have call successors, (11450) [2024-12-02 15:52:52,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93903 states to 93903 states and 153958 transitions. [2024-12-02 15:52:52,270 INFO L78 Accepts]: Start accepts. Automaton has 93903 states and 153958 transitions. Word has length 710 [2024-12-02 15:52:52,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:52:52,271 INFO L471 AbstractCegarLoop]: Abstraction has 93903 states and 153958 transitions. [2024-12-02 15:52:52,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.583333333333334) internal successors, (163), 12 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:52:52,271 INFO L276 IsEmpty]: Start isEmpty. Operand 93903 states and 153958 transitions. [2024-12-02 15:52:52,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2024-12-02 15:52:52,290 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:52:52,290 INFO L218 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:52:52,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 15:52:52,290 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:52:52,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:52:52,291 INFO L85 PathProgramCache]: Analyzing trace with hash -2119190888, now seen corresponding path program 1 times [2024-12-02 15:52:52,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:52:52,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087667591] [2024-12-02 15:52:52,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:52:52,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:52:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:53:33,393 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2024-12-02 15:53:33,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:53:33,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087667591] [2024-12-02 15:53:33,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087667591] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:53:33,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:53:33,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 15:53:33,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933224367] [2024-12-02 15:53:33,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:53:33,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 15:53:33,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:53:33,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 15:53:33,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:53:33,396 INFO L87 Difference]: Start difference. First operand 93903 states and 153958 transitions. Second operand has 14 states, 14 states have (on average 11.642857142857142) internal successors, (163), 14 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:53:47,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:53:47,557 INFO L93 Difference]: Finished difference Result 99291 states and 160492 transitions. [2024-12-02 15:53:47,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 15:53:47,558 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 11.642857142857142) internal successors, (163), 14 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) Word has length 710 [2024-12-02 15:53:47,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:53:47,728 INFO L225 Difference]: With dead ends: 99291 [2024-12-02 15:53:47,729 INFO L226 Difference]: Without dead ends: 99289 [2024-12-02 15:53:47,755 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=172, Invalid=428, Unknown=0, NotChecked=0, Total=600 [2024-12-02 15:53:47,755 INFO L435 NwaCegarLoop]: 569 mSDtfsCounter, 468 mSDsluCounter, 2944 mSDsCounter, 0 mSdLazyCounter, 1335 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 3513 SdHoareTripleChecker+Invalid, 1381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:53:47,755 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 3513 Invalid, 1381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1335 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-12-02 15:53:47,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99289 states. [2024-12-02 15:53:54,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99289 to 93615. [2024-12-02 15:53:54,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93615 states, 81297 states have (on average 1.6073655854459574) internal successors, (130674), 82053 states have internal predecessors, (130674), 11450 states have call successors, (11450), 867 states have call predecessors, (11450), 867 states have return successors, (11450), 10694 states have call predecessors, (11450), 11450 states have call successors, (11450) [2024-12-02 15:53:54,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93615 states to 93615 states and 153574 transitions. [2024-12-02 15:53:54,447 INFO L78 Accepts]: Start accepts. Automaton has 93615 states and 153574 transitions. Word has length 710 [2024-12-02 15:53:54,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:53:54,447 INFO L471 AbstractCegarLoop]: Abstraction has 93615 states and 153574 transitions. [2024-12-02 15:53:54,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.642857142857142) internal successors, (163), 14 states have internal predecessors, (163), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:53:54,448 INFO L276 IsEmpty]: Start isEmpty. Operand 93615 states and 153574 transitions. [2024-12-02 15:53:54,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2024-12-02 15:53:54,465 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:53:54,465 INFO L218 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:53:54,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 15:53:54,466 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:53:54,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:53:54,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1458246170, now seen corresponding path program 1 times [2024-12-02 15:53:54,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:53:54,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039771504] [2024-12-02 15:53:54,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:53:54,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:53:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:53:55,469 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2024-12-02 15:53:55,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:53:55,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039771504] [2024-12-02 15:53:55,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039771504] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:53:55,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:53:55,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:53:55,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866924785] [2024-12-02 15:53:55,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:53:55,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:53:55,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:53:55,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:53:55,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:53:55,471 INFO L87 Difference]: Start difference. First operand 93615 states and 153574 transitions. Second operand has 5 states, 5 states have (on average 32.6) internal successors, (163), 5 states have internal predecessors, (163), 2 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 2 states have call predecessors, (110), 2 states have call successors, (110) [2024-12-02 15:54:02,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:54:02,561 INFO L93 Difference]: Finished difference Result 175795 states and 286176 transitions. [2024-12-02 15:54:02,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:54:02,562 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 5 states have internal predecessors, (163), 2 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 2 states have call predecessors, (110), 2 states have call successors, (110) Word has length 710 [2024-12-02 15:54:02,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:54:02,731 INFO L225 Difference]: With dead ends: 175795 [2024-12-02 15:54:02,731 INFO L226 Difference]: Without dead ends: 94121 [2024-12-02 15:54:02,818 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:54:02,818 INFO L435 NwaCegarLoop]: 559 mSDtfsCounter, 365 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 1197 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:54:02,818 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 1197 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:54:02,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94121 states. [2024-12-02 15:54:09,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94121 to 93495. [2024-12-02 15:54:09,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93495 states, 80601 states have (on average 1.5977221126288756) internal successors, (128778), 81357 states have internal predecessors, (128778), 11834 states have call successors, (11834), 1059 states have call predecessors, (11834), 1059 states have return successors, (11834), 11078 states have call predecessors, (11834), 11834 states have call successors, (11834) [2024-12-02 15:54:09,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93495 states to 93495 states and 152446 transitions. [2024-12-02 15:54:09,824 INFO L78 Accepts]: Start accepts. Automaton has 93495 states and 152446 transitions. Word has length 710 [2024-12-02 15:54:09,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:54:09,824 INFO L471 AbstractCegarLoop]: Abstraction has 93495 states and 152446 transitions. [2024-12-02 15:54:09,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 5 states have internal predecessors, (163), 2 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 2 states have call predecessors, (110), 2 states have call successors, (110) [2024-12-02 15:54:09,825 INFO L276 IsEmpty]: Start isEmpty. Operand 93495 states and 152446 transitions. [2024-12-02 15:54:09,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 712 [2024-12-02 15:54:09,841 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:54:09,841 INFO L218 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:54:09,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 15:54:09,842 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:54:09,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:54:09,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1972533591, now seen corresponding path program 1 times [2024-12-02 15:54:09,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:54:09,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919780076] [2024-12-02 15:54:09,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:54:09,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:54:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:54:51,158 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2024-12-02 15:54:51,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:54:51,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919780076] [2024-12-02 15:54:51,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919780076] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:54:51,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:54:51,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 15:54:51,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326041592] [2024-12-02 15:54:51,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:54:51,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 15:54:51,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:54:51,160 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 15:54:51,160 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-12-02 15:54:51,160 INFO L87 Difference]: Start difference. First operand 93495 states and 152446 transitions. Second operand has 16 states, 16 states have (on average 10.25) internal successors, (164), 16 states have internal predecessors, (164), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:55:05,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:55:05,352 INFO L93 Difference]: Finished difference Result 169565 states and 269213 transitions. [2024-12-02 15:55:05,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 15:55:05,353 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.25) internal successors, (164), 16 states have internal predecessors, (164), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) Word has length 711 [2024-12-02 15:55:05,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:55:05,561 INFO L225 Difference]: With dead ends: 169565 [2024-12-02 15:55:05,562 INFO L226 Difference]: Without dead ends: 117627 [2024-12-02 15:55:05,630 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=221, Invalid=535, Unknown=0, NotChecked=0, Total=756 [2024-12-02 15:55:05,631 INFO L435 NwaCegarLoop]: 562 mSDtfsCounter, 364 mSDsluCounter, 2777 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 3339 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:55:05,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 3339 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 15:55:05,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117627 states. [2024-12-02 15:55:12,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117627 to 95367. [2024-12-02 15:55:12,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95367 states, 82665 states have (on average 1.5941208492106695) internal successors, (131778), 83325 states have internal predecessors, (131778), 11450 states have call successors, (11450), 1251 states have call predecessors, (11450), 1251 states have return successors, (11450), 10790 states have call predecessors, (11450), 11450 states have call successors, (11450) [2024-12-02 15:55:13,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95367 states to 95367 states and 154678 transitions. [2024-12-02 15:55:13,055 INFO L78 Accepts]: Start accepts. Automaton has 95367 states and 154678 transitions. Word has length 711 [2024-12-02 15:55:13,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:55:13,056 INFO L471 AbstractCegarLoop]: Abstraction has 95367 states and 154678 transitions. [2024-12-02 15:55:13,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.25) internal successors, (164), 16 states have internal predecessors, (164), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:55:13,056 INFO L276 IsEmpty]: Start isEmpty. Operand 95367 states and 154678 transitions. [2024-12-02 15:55:13,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 712 [2024-12-02 15:55:13,072 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:55:13,072 INFO L218 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:55:13,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 15:55:13,072 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:55:13,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:55:13,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1970686549, now seen corresponding path program 1 times [2024-12-02 15:55:13,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:55:13,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543425335] [2024-12-02 15:55:13,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:55:13,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:55:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:55:59,825 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2024-12-02 15:55:59,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:55:59,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543425335] [2024-12-02 15:55:59,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543425335] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:55:59,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:55:59,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 15:55:59,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054678757] [2024-12-02 15:55:59,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:55:59,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 15:55:59,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:55:59,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 15:55:59,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2024-12-02 15:55:59,828 INFO L87 Difference]: Start difference. First operand 95367 states and 154678 transitions. Second operand has 17 states, 17 states have (on average 9.647058823529411) internal successors, (164), 17 states have internal predecessors, (164), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:56:08,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:56:08,904 INFO L93 Difference]: Finished difference Result 106587 states and 169612 transitions. [2024-12-02 15:56:08,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 15:56:08,904 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 9.647058823529411) internal successors, (164), 17 states have internal predecessors, (164), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) Word has length 711 [2024-12-02 15:56:08,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:56:09,067 INFO L225 Difference]: With dead ends: 106587 [2024-12-02 15:56:09,067 INFO L226 Difference]: Without dead ends: 106585 [2024-12-02 15:56:09,093 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=123, Invalid=219, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:56:09,093 INFO L435 NwaCegarLoop]: 562 mSDtfsCounter, 273 mSDsluCounter, 2246 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 2808 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:56:09,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 2808 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 15:56:09,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106585 states. [2024-12-02 15:56:15,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106585 to 95367. [2024-12-02 15:56:15,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95367 states, 82665 states have (on average 1.5941208492106695) internal successors, (131778), 83325 states have internal predecessors, (131778), 11450 states have call successors, (11450), 1251 states have call predecessors, (11450), 1251 states have return successors, (11450), 10790 states have call predecessors, (11450), 11450 states have call successors, (11450) [2024-12-02 15:56:15,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95367 states to 95367 states and 154678 transitions. [2024-12-02 15:56:15,496 INFO L78 Accepts]: Start accepts. Automaton has 95367 states and 154678 transitions. Word has length 711 [2024-12-02 15:56:15,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:56:15,497 INFO L471 AbstractCegarLoop]: Abstraction has 95367 states and 154678 transitions. [2024-12-02 15:56:15,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 9.647058823529411) internal successors, (164), 17 states have internal predecessors, (164), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:56:15,497 INFO L276 IsEmpty]: Start isEmpty. Operand 95367 states and 154678 transitions. [2024-12-02 15:56:15,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 712 [2024-12-02 15:56:15,513 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:56:15,514 INFO L218 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:56:15,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 15:56:15,514 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:56:15,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:56:15,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1292475221, now seen corresponding path program 1 times [2024-12-02 15:56:15,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:56:15,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839138738] [2024-12-02 15:56:15,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:56:15,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:56:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:56:40,267 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2024-12-02 15:56:40,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:56:40,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839138738] [2024-12-02 15:56:40,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839138738] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:56:40,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:56:40,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 15:56:40,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446504268] [2024-12-02 15:56:40,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:56:40,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 15:56:40,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:56:40,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 15:56:40,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-12-02 15:56:40,268 INFO L87 Difference]: Start difference. First operand 95367 states and 154678 transitions. Second operand has 16 states, 16 states have (on average 10.25) internal successors, (164), 16 states have internal predecessors, (164), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:56:49,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:56:49,330 INFO L93 Difference]: Finished difference Result 106875 states and 169900 transitions. [2024-12-02 15:56:49,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 15:56:49,331 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.25) internal successors, (164), 16 states have internal predecessors, (164), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) Word has length 711 [2024-12-02 15:56:49,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:56:49,481 INFO L225 Difference]: With dead ends: 106875 [2024-12-02 15:56:49,481 INFO L226 Difference]: Without dead ends: 106873 [2024-12-02 15:56:49,498 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:56:49,498 INFO L435 NwaCegarLoop]: 567 mSDtfsCounter, 197 mSDsluCounter, 3786 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 4353 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:56:49,498 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 4353 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 15:56:49,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106873 states. [2024-12-02 15:56:55,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106873 to 95847. [2024-12-02 15:56:55,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95847 states, 83145 states have (on average 1.5930001804077214) internal successors, (132450), 83805 states have internal predecessors, (132450), 11450 states have call successors, (11450), 1251 states have call predecessors, (11450), 1251 states have return successors, (11450), 10790 states have call predecessors, (11450), 11450 states have call successors, (11450) [2024-12-02 15:56:55,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95847 states to 95847 states and 155350 transitions. [2024-12-02 15:56:56,019 INFO L78 Accepts]: Start accepts. Automaton has 95847 states and 155350 transitions. Word has length 711 [2024-12-02 15:56:56,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:56:56,019 INFO L471 AbstractCegarLoop]: Abstraction has 95847 states and 155350 transitions. [2024-12-02 15:56:56,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.25) internal successors, (164), 16 states have internal predecessors, (164), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:56:56,020 INFO L276 IsEmpty]: Start isEmpty. Operand 95847 states and 155350 transitions. [2024-12-02 15:56:56,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 712 [2024-12-02 15:56:56,036 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:56:56,036 INFO L218 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:56:56,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 15:56:56,037 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:56:56,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:56:56,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1290628179, now seen corresponding path program 1 times [2024-12-02 15:56:56,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:56:56,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940401517] [2024-12-02 15:56:56,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:56:56,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:56:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:57:28,136 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2024-12-02 15:57:28,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:57:28,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940401517] [2024-12-02 15:57:28,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940401517] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:57:28,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:57:28,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 15:57:28,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151315445] [2024-12-02 15:57:28,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:57:28,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 15:57:28,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:57:28,138 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 15:57:28,138 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2024-12-02 15:57:28,138 INFO L87 Difference]: Start difference. First operand 95847 states and 155350 transitions. Second operand has 17 states, 17 states have (on average 9.647058823529411) internal successors, (164), 17 states have internal predecessors, (164), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:57:36,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:57:36,595 INFO L93 Difference]: Finished difference Result 106585 states and 169515 transitions. [2024-12-02 15:57:36,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 15:57:36,596 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 9.647058823529411) internal successors, (164), 17 states have internal predecessors, (164), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) Word has length 711 [2024-12-02 15:57:36,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:57:36,757 INFO L225 Difference]: With dead ends: 106585 [2024-12-02 15:57:36,757 INFO L226 Difference]: Without dead ends: 106583 [2024-12-02 15:57:36,782 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=123, Invalid=219, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:57:36,784 INFO L435 NwaCegarLoop]: 569 mSDtfsCounter, 266 mSDsluCounter, 1746 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 2315 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:57:36,784 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 2315 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:57:36,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106583 states. [2024-12-02 15:57:43,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106583 to 95367. [2024-12-02 15:57:43,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95367 states, 82665 states have (on average 1.5941208492106695) internal successors, (131778), 83325 states have internal predecessors, (131778), 11450 states have call successors, (11450), 1251 states have call predecessors, (11450), 1251 states have return successors, (11450), 10790 states have call predecessors, (11450), 11450 states have call successors, (11450) [2024-12-02 15:57:43,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95367 states to 95367 states and 154678 transitions. [2024-12-02 15:57:43,256 INFO L78 Accepts]: Start accepts. Automaton has 95367 states and 154678 transitions. Word has length 711 [2024-12-02 15:57:43,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:57:43,257 INFO L471 AbstractCegarLoop]: Abstraction has 95367 states and 154678 transitions. [2024-12-02 15:57:43,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 9.647058823529411) internal successors, (164), 17 states have internal predecessors, (164), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:57:43,257 INFO L276 IsEmpty]: Start isEmpty. Operand 95367 states and 154678 transitions. [2024-12-02 15:57:43,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 712 [2024-12-02 15:57:43,273 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:57:43,273 INFO L218 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:57:43,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 15:57:43,274 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:57:43,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:57:43,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1843656409, now seen corresponding path program 1 times [2024-12-02 15:57:43,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:57:43,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147614556] [2024-12-02 15:57:43,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:57:43,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:57:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:57:43,539 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2024-12-02 15:57:43,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:57:43,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147614556] [2024-12-02 15:57:43,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147614556] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:57:43,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:57:43,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:57:43,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635299942] [2024-12-02 15:57:43,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:57:43,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:57:43,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:57:43,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:57:43,541 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:57:43,541 INFO L87 Difference]: Start difference. First operand 95367 states and 154678 transitions. Second operand has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:57:50,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:57:50,684 INFO L93 Difference]: Finished difference Result 207309 states and 334393 transitions. [2024-12-02 15:57:50,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:57:50,684 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) Word has length 711 [2024-12-02 15:57:50,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:57:50,894 INFO L225 Difference]: With dead ends: 207309 [2024-12-02 15:57:50,894 INFO L226 Difference]: Without dead ends: 123883 [2024-12-02 15:57:50,999 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:57:51,000 INFO L435 NwaCegarLoop]: 569 mSDtfsCounter, 324 mSDsluCounter, 1205 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 1774 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:57:51,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 1774 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:57:51,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123883 states. [2024-12-02 15:57:58,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123883 to 122151. [2024-12-02 15:57:58,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122151 states, 105349 states have (on average 1.591984736447427) internal successors, (167714), 106197 states have internal predecessors, (167714), 15166 states have call successors, (15166), 1635 states have call predecessors, (15166), 1635 states have return successors, (15166), 14318 states have call predecessors, (15166), 15166 states have call successors, (15166) [2024-12-02 15:57:58,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122151 states to 122151 states and 198046 transitions. [2024-12-02 15:57:58,813 INFO L78 Accepts]: Start accepts. Automaton has 122151 states and 198046 transitions. Word has length 711 [2024-12-02 15:57:58,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:57:58,814 INFO L471 AbstractCegarLoop]: Abstraction has 122151 states and 198046 transitions. [2024-12-02 15:57:58,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 1 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 1 states have call predecessors, (110), 1 states have call successors, (110) [2024-12-02 15:57:58,814 INFO L276 IsEmpty]: Start isEmpty. Operand 122151 states and 198046 transitions. [2024-12-02 15:57:58,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 712 [2024-12-02 15:57:58,829 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:57:58,830 INFO L218 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:57:58,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 15:57:58,830 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:57:58,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:57:58,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1735627691, now seen corresponding path program 1 times [2024-12-02 15:57:58,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:57:58,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790855870] [2024-12-02 15:57:58,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:57:58,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:57:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:58:27,232 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2024-12-02 15:58:27,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:58:27,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790855870] [2024-12-02 15:58:27,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790855870] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:58:27,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:58:27,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 15:58:27,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27105935] [2024-12-02 15:58:27,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:58:27,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 15:58:27,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:58:27,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 15:58:27,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-12-02 15:58:27,234 INFO L87 Difference]: Start difference. First operand 122151 states and 198046 transitions. Second operand has 17 states, 17 states have (on average 9.647058823529411) internal successors, (164), 17 states have internal predecessors, (164), 2 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 2 states have call predecessors, (110), 2 states have call successors, (110) [2024-12-02 15:58:40,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:58:40,175 INFO L93 Difference]: Finished difference Result 218883 states and 350284 transitions. [2024-12-02 15:58:40,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 15:58:40,176 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 9.647058823529411) internal successors, (164), 17 states have internal predecessors, (164), 2 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 2 states have call predecessors, (110), 2 states have call successors, (110) Word has length 711 [2024-12-02 15:58:40,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:58:40,405 INFO L225 Difference]: With dead ends: 218883 [2024-12-02 15:58:40,405 INFO L226 Difference]: Without dead ends: 137089 [2024-12-02 15:58:40,496 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=255, Invalid=615, Unknown=0, NotChecked=0, Total=870 [2024-12-02 15:58:40,496 INFO L435 NwaCegarLoop]: 552 mSDtfsCounter, 622 mSDsluCounter, 2281 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 2833 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:58:40,497 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [622 Valid, 2833 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 15:58:40,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137089 states. [2024-12-02 15:58:49,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137089 to 123087. [2024-12-02 15:58:49,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123087 states, 106285 states have (on average 1.5919649997647833) internal successors, (169202), 107133 states have internal predecessors, (169202), 15166 states have call successors, (15166), 1635 states have call predecessors, (15166), 1635 states have return successors, (15166), 14318 states have call predecessors, (15166), 15166 states have call successors, (15166) [2024-12-02 15:58:49,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123087 states to 123087 states and 199534 transitions. [2024-12-02 15:58:49,776 INFO L78 Accepts]: Start accepts. Automaton has 123087 states and 199534 transitions. Word has length 711 [2024-12-02 15:58:49,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:58:49,777 INFO L471 AbstractCegarLoop]: Abstraction has 123087 states and 199534 transitions. [2024-12-02 15:58:49,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 9.647058823529411) internal successors, (164), 17 states have internal predecessors, (164), 2 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 2 states have call predecessors, (110), 2 states have call successors, (110) [2024-12-02 15:58:49,777 INFO L276 IsEmpty]: Start isEmpty. Operand 123087 states and 199534 transitions. [2024-12-02 15:58:49,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 712 [2024-12-02 15:58:49,794 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:58:49,794 INFO L218 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:58:49,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 15:58:49,794 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:58:49,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:58:49,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1737474733, now seen corresponding path program 1 times [2024-12-02 15:58:49,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:58:49,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259457902] [2024-12-02 15:58:49,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:58:49,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:58:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:59:43,901 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2024-12-02 15:59:43,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:59:43,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259457902] [2024-12-02 15:59:43,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259457902] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:59:43,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:59:43,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-12-02 15:59:43,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211573707] [2024-12-02 15:59:43,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:59:43,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 15:59:43,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:59:43,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 15:59:43,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:59:43,912 INFO L87 Difference]: Start difference. First operand 123087 states and 199534 transitions. Second operand has 18 states, 18 states have (on average 9.11111111111111) internal successors, (164), 18 states have internal predecessors, (164), 2 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 2 states have call predecessors, (110), 2 states have call successors, (110) [2024-12-02 16:00:02,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 16:00:02,087 INFO L93 Difference]: Finished difference Result 131833 states and 210579 transitions. [2024-12-02 16:00:02,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 16:00:02,089 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 9.11111111111111) internal successors, (164), 18 states have internal predecessors, (164), 2 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 2 states have call predecessors, (110), 2 states have call successors, (110) Word has length 711 [2024-12-02 16:00:02,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 16:00:02,818 INFO L225 Difference]: With dead ends: 131833 [2024-12-02 16:00:02,818 INFO L226 Difference]: Without dead ends: 131831 [2024-12-02 16:00:02,851 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=293, Invalid=699, Unknown=0, NotChecked=0, Total=992 [2024-12-02 16:00:02,852 INFO L435 NwaCegarLoop]: 552 mSDtfsCounter, 545 mSDsluCounter, 2571 mSDsCounter, 0 mSdLazyCounter, 1115 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 545 SdHoareTripleChecker+Valid, 3123 SdHoareTripleChecker+Invalid, 1155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-12-02 16:00:02,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [545 Valid, 3123 Invalid, 1155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1115 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-12-02 16:00:02,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131831 states. [2024-12-02 16:00:14,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131831 to 122607. [2024-12-02 16:00:14,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122607 states, 105805 states have (on average 1.5928358773214877) internal successors, (168530), 106653 states have internal predecessors, (168530), 15166 states have call successors, (15166), 1635 states have call predecessors, (15166), 1635 states have return successors, (15166), 14318 states have call predecessors, (15166), 15166 states have call successors, (15166) [2024-12-02 16:00:15,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122607 states to 122607 states and 198862 transitions. [2024-12-02 16:00:15,156 INFO L78 Accepts]: Start accepts. Automaton has 122607 states and 198862 transitions. Word has length 711 [2024-12-02 16:00:15,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 16:00:15,158 INFO L471 AbstractCegarLoop]: Abstraction has 122607 states and 198862 transitions. [2024-12-02 16:00:15,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.11111111111111) internal successors, (164), 18 states have internal predecessors, (164), 2 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 2 states have call predecessors, (110), 2 states have call successors, (110) [2024-12-02 16:00:15,158 INFO L276 IsEmpty]: Start isEmpty. Operand 122607 states and 198862 transitions. [2024-12-02 16:00:15,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 712 [2024-12-02 16:00:15,299 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 16:00:15,300 INFO L218 NwaCegarLoop]: trace histogram [110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 16:00:15,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 16:00:15,300 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 16:00:15,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 16:00:15,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1879281235, now seen corresponding path program 1 times [2024-12-02 16:00:15,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 16:00:15,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496853347] [2024-12-02 16:00:15,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 16:00:15,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 16:00:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 16:00:50,275 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2024-12-02 16:00:50,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 16:00:50,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496853347] [2024-12-02 16:00:50,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496853347] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 16:00:50,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 16:00:50,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 16:00:50,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353783204] [2024-12-02 16:00:50,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 16:00:50,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 16:00:50,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 16:00:50,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 16:00:50,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-12-02 16:00:50,279 INFO L87 Difference]: Start difference. First operand 122607 states and 198862 transitions. Second operand has 17 states, 17 states have (on average 9.647058823529411) internal successors, (164), 17 states have internal predecessors, (164), 2 states have call successors, (110), 1 states have call predecessors, (110), 1 states have return successors, (110), 2 states have call predecessors, (110), 2 states have call successors, (110)