./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --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_af58cec0-2244-4f8c-bb5a-353398184f7e/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af58cec0-2244-4f8c-bb5a-353398184f7e/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af58cec0-2244-4f8c-bb5a-353398184f7e/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af58cec0-2244-4f8c-bb5a-353398184f7e/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af58cec0-2244-4f8c-bb5a-353398184f7e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af58cec0-2244-4f8c-bb5a-353398184f7e/bin/uautomizer-verify-aQ6SnzHsRB --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 2d43a579fead76cada979bbaf2912558c79980eef82c3d2143337dc895995c75 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:20:58,642 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:20:58,732 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af58cec0-2244-4f8c-bb5a-353398184f7e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:20:58,739 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:20:58,739 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:20:58,768 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:20:58,768 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:20:58,769 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:20:58,769 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:20:58,769 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:20:58,769 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:20:58,770 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:20:58,770 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:20:58,770 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:20:58,770 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:20:58,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:20:58,771 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:20:58,771 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:20:58,771 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:20:58,771 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:20:58,772 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:20:58,772 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:20:58,772 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:20:58,772 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:20:58,772 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:20:58,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:20:58,772 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:20:58,773 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:20:58,773 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:20:58,773 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:20:58,773 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:20:58,773 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:20:58,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:20:58,774 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:20:58,774 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:20:58,774 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:20:58,774 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:20:58,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:20:58,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:20:58,774 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:20:58,775 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:20:58,775 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:20:58,775 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:20:58,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:20:58,775 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:20:58,775 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:20:58,775 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:20:58,775 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:20:58,775 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_af58cec0-2244-4f8c-bb5a-353398184f7e/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 2d43a579fead76cada979bbaf2912558c79980eef82c3d2143337dc895995c75 [2024-11-28 02:20:59,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:20:59,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:20:59,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:20:59,189 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:20:59,190 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:20:59,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af58cec0-2244-4f8c-bb5a-353398184f7e/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-28 02:21:02,783 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af58cec0-2244-4f8c-bb5a-353398184f7e/bin/uautomizer-verify-aQ6SnzHsRB/data/53d4f44dc/a634c80f8eda4d2cbe80a23b432940eb/FLAGc66baa44b [2024-11-28 02:21:03,624 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:21:03,625 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af58cec0-2244-4f8c-bb5a-353398184f7e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-28 02:21:03,675 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af58cec0-2244-4f8c-bb5a-353398184f7e/bin/uautomizer-verify-aQ6SnzHsRB/data/53d4f44dc/a634c80f8eda4d2cbe80a23b432940eb/FLAGc66baa44b [2024-11-28 02:21:03,697 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af58cec0-2244-4f8c-bb5a-353398184f7e/bin/uautomizer-verify-aQ6SnzHsRB/data/53d4f44dc/a634c80f8eda4d2cbe80a23b432940eb [2024-11-28 02:21:03,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:21:03,701 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:21:03,704 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:21:03,704 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:21:03,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:21:03,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:21:03" (1/1) ... [2024-11-28 02:21:03,715 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55aa3ec2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:21:03, skipping insertion in model container [2024-11-28 02:21:03,715 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:21:03" (1/1) ... [2024-11-28 02:21:04,000 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:21:04,647 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_af58cec0-2244-4f8c-bb5a-353398184f7e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19354,19367] [2024-11-28 02:21:06,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:21:06,493 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:21:06,570 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_af58cec0-2244-4f8c-bb5a-353398184f7e/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19354,19367] [2024-11-28 02:21:08,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:21:08,063 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:21:08,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:21:08 WrapperNode [2024-11-28 02:21:08,065 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:21:08,067 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:21:08,067 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:21:08,067 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:21:08,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:21:08" (1/1) ... [2024-11-28 02:21:08,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:21:08" (1/1) ... [2024-11-28 02:21:08,807 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20000 [2024-11-28 02:21:08,809 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:21:08,810 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:21:08,810 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:21:08,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:21:08,823 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:21:08" (1/1) ... [2024-11-28 02:21:08,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:21:08" (1/1) ... [2024-11-28 02:21:08,881 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:21:08" (1/1) ... [2024-11-28 02:21:09,158 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]. [2024-11-28 02:21:09,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:21:08" (1/1) ... [2024-11-28 02:21:09,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:21:08" (1/1) ... [2024-11-28 02:21:09,392 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:21:08" (1/1) ... [2024-11-28 02:21:09,539 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:21:08" (1/1) ... [2024-11-28 02:21:09,612 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:21:08" (1/1) ... [2024-11-28 02:21:09,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:21:08" (1/1) ... [2024-11-28 02:21:09,774 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:21:08" (1/1) ... [2024-11-28 02:21:09,862 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:21:09,864 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:21:09,864 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:21:09,864 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:21:09,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:21:08" (1/1) ... [2024-11-28 02:21:09,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:21:09,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af58cec0-2244-4f8c-bb5a-353398184f7e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:21:09,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af58cec0-2244-4f8c-bb5a-353398184f7e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:21:09,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af58cec0-2244-4f8c-bb5a-353398184f7e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:21:09,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:21:09,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:21:09,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:21:09,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:21:10,979 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:21:10,982 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:21:24,079 INFO L? ?]: Removed 3036 outVars from TransFormulas that were not future-live. [2024-11-28 02:21:24,079 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:21:24,189 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:21:24,189 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:21:24,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:21:24 BoogieIcfgContainer [2024-11-28 02:21:24,190 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:21:24,193 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:21:24,194 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:21:24,202 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:21:24,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:21:03" (1/3) ... [2024-11-28 02:21:24,205 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18ee3c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:21:24, skipping insertion in model container [2024-11-28 02:21:24,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:21:08" (2/3) ... [2024-11-28 02:21:24,205 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18ee3c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:21:24, skipping insertion in model container [2024-11-28 02:21:24,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:21:24" (3/3) ... [2024-11-28 02:21:24,207 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-28 02:21:24,230 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:21:24,235 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c that has 1 procedures, 2868 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-28 02:21:24,411 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:21:24,427 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;@e9a102c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:21:24,427 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:21:24,441 INFO L276 IsEmpty]: Start isEmpty. Operand has 2868 states, 2866 states have (on average 1.9089323098394975) internal successors, (5471), 2867 states have internal predecessors, (5471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:24,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-28 02:21:24,477 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:21:24,477 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:21:24,478 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:21:24,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:21:24,484 INFO L85 PathProgramCache]: Analyzing trace with hash -2083361813, now seen corresponding path program 1 times [2024-11-28 02:21:24,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:21:24,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448569512] [2024-11-28 02:21:24,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:21:24,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:21:25,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:21:25,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:21:25,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:21:25,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448569512] [2024-11-28 02:21:25,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448569512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:21:25,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:21:25,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:21:25,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339300628] [2024-11-28 02:21:25,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:21:25,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:21:25,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:21:25,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:21:25,863 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:21:25,884 INFO L87 Difference]: Start difference. First operand has 2868 states, 2866 states have (on average 1.9089323098394975) internal successors, (5471), 2867 states have internal predecessors, (5471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:28,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:21:28,851 INFO L93 Difference]: Finished difference Result 4271 states and 8041 transitions. [2024-11-28 02:21:28,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:21:28,854 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-11-28 02:21:28,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:21:28,878 INFO L225 Difference]: With dead ends: 4271 [2024-11-28 02:21:28,878 INFO L226 Difference]: Without dead ends: 2265 [2024-11-28 02:21:28,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:21:28,890 INFO L435 NwaCegarLoop]: 2664 mSDtfsCounter, 12290 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 1350 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12290 SdHoareTripleChecker+Valid, 2926 SdHoareTripleChecker+Invalid, 1359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:21:28,891 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12290 Valid, 2926 Invalid, 1359 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1350 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-28 02:21:28,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2265 states. [2024-11-28 02:21:29,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2265 to 2263. [2024-11-28 02:21:29,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2263 states, 2262 states have (on average 1.3059239610963749) internal successors, (2954), 2262 states have internal predecessors, (2954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:29,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2263 states to 2263 states and 2954 transitions. [2024-11-28 02:21:29,042 INFO L78 Accepts]: Start accepts. Automaton has 2263 states and 2954 transitions. Word has length 78 [2024-11-28 02:21:29,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:21:29,043 INFO L471 AbstractCegarLoop]: Abstraction has 2263 states and 2954 transitions. [2024-11-28 02:21:29,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:29,043 INFO L276 IsEmpty]: Start isEmpty. Operand 2263 states and 2954 transitions. [2024-11-28 02:21:29,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-28 02:21:29,052 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:21:29,052 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:21:29,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:21:29,053 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:21:29,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:21:29,053 INFO L85 PathProgramCache]: Analyzing trace with hash 696230651, now seen corresponding path program 1 times [2024-11-28 02:21:29,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:21:29,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685407968] [2024-11-28 02:21:29,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:21:29,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:21:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:21:29,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:21:29,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:21:29,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685407968] [2024-11-28 02:21:29,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685407968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:21:29,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:21:29,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:21:29,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677255540] [2024-11-28 02:21:29,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:21:29,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:21:29,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:21:29,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:21:29,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:21:29,441 INFO L87 Difference]: Start difference. First operand 2263 states and 2954 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:29,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:21:29,576 INFO L93 Difference]: Finished difference Result 4085 states and 5494 transitions. [2024-11-28 02:21:29,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:21:29,576 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2024-11-28 02:21:29,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:21:29,592 INFO L225 Difference]: With dead ends: 4085 [2024-11-28 02:21:29,592 INFO L226 Difference]: Without dead ends: 3527 [2024-11-28 02:21:29,594 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:21:29,597 INFO L435 NwaCegarLoop]: 3661 mSDtfsCounter, 2373 mSDsluCounter, 1562 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2373 SdHoareTripleChecker+Valid, 5223 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:21:29,599 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2373 Valid, 5223 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:21:29,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3527 states. [2024-11-28 02:21:29,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3527 to 3524. [2024-11-28 02:21:29,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3524 states, 3523 states have (on average 1.3153562304853819) internal successors, (4634), 3523 states have internal predecessors, (4634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:29,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3524 states to 3524 states and 4634 transitions. [2024-11-28 02:21:29,706 INFO L78 Accepts]: Start accepts. Automaton has 3524 states and 4634 transitions. Word has length 79 [2024-11-28 02:21:29,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:21:29,706 INFO L471 AbstractCegarLoop]: Abstraction has 3524 states and 4634 transitions. [2024-11-28 02:21:29,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:29,707 INFO L276 IsEmpty]: Start isEmpty. Operand 3524 states and 4634 transitions. [2024-11-28 02:21:29,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-28 02:21:29,715 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:21:29,716 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:21:29,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:21:29,716 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:21:29,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:21:29,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1756459889, now seen corresponding path program 1 times [2024-11-28 02:21:29,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:21:29,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925059775] [2024-11-28 02:21:29,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:21:29,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:21:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:21:30,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:21:30,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:21:30,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925059775] [2024-11-28 02:21:30,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925059775] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:21:30,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:21:30,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:21:30,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131097329] [2024-11-28 02:21:30,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:21:30,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:21:30,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:21:30,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:21:30,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:21:30,279 INFO L87 Difference]: Start difference. First operand 3524 states and 4634 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:32,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:21:32,655 INFO L93 Difference]: Finished difference Result 5431 states and 7280 transitions. [2024-11-28 02:21:32,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:21:32,658 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2024-11-28 02:21:32,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:21:32,677 INFO L225 Difference]: With dead ends: 5431 [2024-11-28 02:21:32,678 INFO L226 Difference]: Without dead ends: 3680 [2024-11-28 02:21:32,681 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:21:32,684 INFO L435 NwaCegarLoop]: 1272 mSDtfsCounter, 7004 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 1076 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7004 SdHoareTripleChecker+Valid, 1427 SdHoareTripleChecker+Invalid, 1241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 1076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:21:32,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7004 Valid, 1427 Invalid, 1241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 1076 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-28 02:21:32,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3680 states. [2024-11-28 02:21:32,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3680 to 3678. [2024-11-28 02:21:32,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3678 states, 3677 states have (on average 1.3010606472667936) internal successors, (4784), 3677 states have internal predecessors, (4784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:32,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3678 states to 3678 states and 4784 transitions. [2024-11-28 02:21:32,802 INFO L78 Accepts]: Start accepts. Automaton has 3678 states and 4784 transitions. Word has length 79 [2024-11-28 02:21:32,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:21:32,804 INFO L471 AbstractCegarLoop]: Abstraction has 3678 states and 4784 transitions. [2024-11-28 02:21:32,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:32,804 INFO L276 IsEmpty]: Start isEmpty. Operand 3678 states and 4784 transitions. [2024-11-28 02:21:32,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-28 02:21:32,812 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:21:32,813 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:21:32,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:21:32,813 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:21:32,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:21:32,816 INFO L85 PathProgramCache]: Analyzing trace with hash 118290533, now seen corresponding path program 1 times [2024-11-28 02:21:32,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:21:32,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372069035] [2024-11-28 02:21:32,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:21:32,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:21:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:21:33,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:21:33,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:21:33,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372069035] [2024-11-28 02:21:33,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372069035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:21:33,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:21:33,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:21:33,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135222225] [2024-11-28 02:21:33,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:21:33,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:21:33,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:21:33,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:21:33,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:21:33,228 INFO L87 Difference]: Start difference. First operand 3678 states and 4784 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:34,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:21:34,843 INFO L93 Difference]: Finished difference Result 6675 states and 9078 transitions. [2024-11-28 02:21:34,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:21:34,843 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2024-11-28 02:21:34,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:21:34,858 INFO L225 Difference]: With dead ends: 6675 [2024-11-28 02:21:34,858 INFO L226 Difference]: Without dead ends: 4257 [2024-11-28 02:21:34,862 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:21:34,863 INFO L435 NwaCegarLoop]: 1118 mSDtfsCounter, 6063 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 873 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6063 SdHoareTripleChecker+Valid, 1313 SdHoareTripleChecker+Invalid, 923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:21:34,863 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6063 Valid, 1313 Invalid, 923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 873 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 02:21:34,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4257 states. [2024-11-28 02:21:34,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4257 to 4255. [2024-11-28 02:21:34,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4255 states, 4254 states have (on average 1.351433944522802) internal successors, (5749), 4254 states have internal predecessors, (5749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:34,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4255 states to 4255 states and 5749 transitions. [2024-11-28 02:21:34,968 INFO L78 Accepts]: Start accepts. Automaton has 4255 states and 5749 transitions. Word has length 79 [2024-11-28 02:21:34,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:21:34,970 INFO L471 AbstractCegarLoop]: Abstraction has 4255 states and 5749 transitions. [2024-11-28 02:21:34,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:34,970 INFO L276 IsEmpty]: Start isEmpty. Operand 4255 states and 5749 transitions. [2024-11-28 02:21:34,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-28 02:21:34,977 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:21:34,977 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:21:34,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:21:34,978 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:21:34,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:21:34,978 INFO L85 PathProgramCache]: Analyzing trace with hash -2016532002, now seen corresponding path program 1 times [2024-11-28 02:21:34,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:21:34,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769247998] [2024-11-28 02:21:34,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:21:34,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:21:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:21:35,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:21:35,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:21:35,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769247998] [2024-11-28 02:21:35,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769247998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:21:35,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:21:35,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:21:35,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709818481] [2024-11-28 02:21:35,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:21:35,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:21:35,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:21:35,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:21:35,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:21:35,368 INFO L87 Difference]: Start difference. First operand 4255 states and 5749 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:36,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:21:36,671 INFO L93 Difference]: Finished difference Result 9362 states and 13195 transitions. [2024-11-28 02:21:36,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:21:36,672 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2024-11-28 02:21:36,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:21:36,691 INFO L225 Difference]: With dead ends: 9362 [2024-11-28 02:21:36,692 INFO L226 Difference]: Without dead ends: 5734 [2024-11-28 02:21:36,697 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:21:36,698 INFO L435 NwaCegarLoop]: 885 mSDtfsCounter, 4917 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4917 SdHoareTripleChecker+Valid, 1100 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:21:36,699 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4917 Valid, 1100 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 694 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 02:21:36,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5734 states. [2024-11-28 02:21:36,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5734 to 5732. [2024-11-28 02:21:36,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5732 states, 5731 states have (on average 1.4189495725004362) internal successors, (8132), 5731 states have internal predecessors, (8132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:36,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5732 states to 5732 states and 8132 transitions. [2024-11-28 02:21:36,848 INFO L78 Accepts]: Start accepts. Automaton has 5732 states and 8132 transitions. Word has length 79 [2024-11-28 02:21:36,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:21:36,848 INFO L471 AbstractCegarLoop]: Abstraction has 5732 states and 8132 transitions. [2024-11-28 02:21:36,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:36,849 INFO L276 IsEmpty]: Start isEmpty. Operand 5732 states and 8132 transitions. [2024-11-28 02:21:36,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-28 02:21:36,855 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:21:36,855 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:21:36,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:21:36,856 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:21:36,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:21:36,857 INFO L85 PathProgramCache]: Analyzing trace with hash 755426614, now seen corresponding path program 1 times [2024-11-28 02:21:36,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:21:36,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556397618] [2024-11-28 02:21:36,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:21:36,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:21:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:21:37,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:21:37,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:21:37,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556397618] [2024-11-28 02:21:37,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556397618] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:21:37,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:21:37,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:21:37,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972363875] [2024-11-28 02:21:37,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:21:37,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:21:37,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:21:37,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:21:37,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:21:37,074 INFO L87 Difference]: Start difference. First operand 5732 states and 8132 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:37,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:21:37,188 INFO L93 Difference]: Finished difference Result 12059 states and 17438 transitions. [2024-11-28 02:21:37,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:21:37,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-11-28 02:21:37,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:21:37,261 INFO L225 Difference]: With dead ends: 12059 [2024-11-28 02:21:37,262 INFO L226 Difference]: Without dead ends: 8091 [2024-11-28 02:21:37,269 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:21:37,273 INFO L435 NwaCegarLoop]: 1892 mSDtfsCounter, 1192 mSDsluCounter, 978 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1192 SdHoareTripleChecker+Valid, 2870 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:21:37,274 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1192 Valid, 2870 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:21:37,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8091 states. [2024-11-28 02:21:37,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8091 to 8073. [2024-11-28 02:21:37,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8073 states, 8072 states have (on average 1.4067145688800793) internal successors, (11355), 8072 states have internal predecessors, (11355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:37,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8073 states to 8073 states and 11355 transitions. [2024-11-28 02:21:37,462 INFO L78 Accepts]: Start accepts. Automaton has 8073 states and 11355 transitions. Word has length 80 [2024-11-28 02:21:37,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:21:37,464 INFO L471 AbstractCegarLoop]: Abstraction has 8073 states and 11355 transitions. [2024-11-28 02:21:37,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:37,464 INFO L276 IsEmpty]: Start isEmpty. Operand 8073 states and 11355 transitions. [2024-11-28 02:21:37,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-28 02:21:37,473 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:21:37,473 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:21:37,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:21:37,474 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:21:37,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:21:37,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1741372445, now seen corresponding path program 1 times [2024-11-28 02:21:37,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:21:37,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835496812] [2024-11-28 02:21:37,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:21:37,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:21:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:21:37,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:21:37,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:21:37,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835496812] [2024-11-28 02:21:37,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835496812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:21:37,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:21:37,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:21:37,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100371105] [2024-11-28 02:21:37,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:21:37,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:21:37,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:21:37,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:21:37,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:21:37,691 INFO L87 Difference]: Start difference. First operand 8073 states and 11355 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:37,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:21:37,864 INFO L93 Difference]: Finished difference Result 16085 states and 23284 transitions. [2024-11-28 02:21:37,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:21:37,865 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-11-28 02:21:37,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:21:37,897 INFO L225 Difference]: With dead ends: 16085 [2024-11-28 02:21:37,897 INFO L226 Difference]: Without dead ends: 10733 [2024-11-28 02:21:37,904 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:21:37,905 INFO L435 NwaCegarLoop]: 1463 mSDtfsCounter, 870 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 870 SdHoareTripleChecker+Valid, 2330 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:21:37,905 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [870 Valid, 2330 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:21:37,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10733 states. [2024-11-28 02:21:38,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10733 to 10707. [2024-11-28 02:21:38,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10707 states, 10706 states have (on average 1.4107976835419391) internal successors, (15104), 10706 states have internal predecessors, (15104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:38,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10707 states to 10707 states and 15104 transitions. [2024-11-28 02:21:38,115 INFO L78 Accepts]: Start accepts. Automaton has 10707 states and 15104 transitions. Word has length 80 [2024-11-28 02:21:38,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:21:38,115 INFO L471 AbstractCegarLoop]: Abstraction has 10707 states and 15104 transitions. [2024-11-28 02:21:38,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:38,117 INFO L276 IsEmpty]: Start isEmpty. Operand 10707 states and 15104 transitions. [2024-11-28 02:21:38,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-28 02:21:38,127 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:21:38,127 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:21:38,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:21:38,128 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:21:38,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:21:38,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1805139037, now seen corresponding path program 1 times [2024-11-28 02:21:38,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:21:38,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346203574] [2024-11-28 02:21:38,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:21:38,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:21:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:21:38,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:21:38,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:21:38,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346203574] [2024-11-28 02:21:38,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346203574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:21:38,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:21:38,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:21:38,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288128956] [2024-11-28 02:21:38,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:21:38,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:21:38,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:21:38,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:21:38,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:21:38,363 INFO L87 Difference]: Start difference. First operand 10707 states and 15104 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:38,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:21:38,699 INFO L93 Difference]: Finished difference Result 21969 states and 31678 transitions. [2024-11-28 02:21:38,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:21:38,700 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-11-28 02:21:38,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:21:38,738 INFO L225 Difference]: With dead ends: 21969 [2024-11-28 02:21:38,738 INFO L226 Difference]: Without dead ends: 14957 [2024-11-28 02:21:38,747 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:21:38,748 INFO L435 NwaCegarLoop]: 1424 mSDtfsCounter, 783 mSDsluCounter, 924 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 2348 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:21:38,749 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 2348 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:21:38,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14957 states. [2024-11-28 02:21:38,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14957 to 14919. [2024-11-28 02:21:39,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14919 states, 14918 states have (on average 1.40347231532377) internal successors, (20937), 14918 states have internal predecessors, (20937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:39,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14919 states to 14919 states and 20937 transitions. [2024-11-28 02:21:39,034 INFO L78 Accepts]: Start accepts. Automaton has 14919 states and 20937 transitions. Word has length 80 [2024-11-28 02:21:39,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:21:39,034 INFO L471 AbstractCegarLoop]: Abstraction has 14919 states and 20937 transitions. [2024-11-28 02:21:39,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:39,034 INFO L276 IsEmpty]: Start isEmpty. Operand 14919 states and 20937 transitions. [2024-11-28 02:21:39,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-28 02:21:39,050 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:21:39,051 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:21:39,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:21:39,052 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:21:39,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:21:39,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1263891130, now seen corresponding path program 1 times [2024-11-28 02:21:39,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:21:39,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703061419] [2024-11-28 02:21:39,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:21:39,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:21:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:21:39,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:21:39,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:21:39,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703061419] [2024-11-28 02:21:39,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703061419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:21:39,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:21:39,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:21:39,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914195049] [2024-11-28 02:21:39,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:21:39,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:21:39,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:21:39,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:21:39,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:21:39,383 INFO L87 Difference]: Start difference. First operand 14919 states and 20937 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:40,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:21:40,587 INFO L93 Difference]: Finished difference Result 39068 states and 55619 transitions. [2024-11-28 02:21:40,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:21:40,589 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-28 02:21:40,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:21:40,728 INFO L225 Difference]: With dead ends: 39068 [2024-11-28 02:21:40,728 INFO L226 Difference]: Without dead ends: 24827 [2024-11-28 02:21:40,743 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:21:40,745 INFO L435 NwaCegarLoop]: 701 mSDtfsCounter, 4022 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4022 SdHoareTripleChecker+Valid, 912 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:21:40,746 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4022 Valid, 912 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 02:21:40,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24827 states. [2024-11-28 02:21:41,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24827 to 24825. [2024-11-28 02:21:41,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24825 states, 24824 states have (on average 1.419634224943603) internal successors, (35241), 24824 states have internal predecessors, (35241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:41,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24825 states to 24825 states and 35241 transitions. [2024-11-28 02:21:41,592 INFO L78 Accepts]: Start accepts. Automaton has 24825 states and 35241 transitions. Word has length 81 [2024-11-28 02:21:41,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:21:41,593 INFO L471 AbstractCegarLoop]: Abstraction has 24825 states and 35241 transitions. [2024-11-28 02:21:41,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:41,593 INFO L276 IsEmpty]: Start isEmpty. Operand 24825 states and 35241 transitions. [2024-11-28 02:21:41,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-28 02:21:41,613 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:21:41,614 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:21:41,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:21:41,614 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:21:41,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:21:41,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1764927193, now seen corresponding path program 1 times [2024-11-28 02:21:41,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:21:41,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186901421] [2024-11-28 02:21:41,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:21:41,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:21:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:21:41,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:21:41,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:21:41,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186901421] [2024-11-28 02:21:41,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186901421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:21:41,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:21:41,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:21:41,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460189116] [2024-11-28 02:21:41,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:21:41,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:21:41,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:21:41,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:21:41,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:21:41,810 INFO L87 Difference]: Start difference. First operand 24825 states and 35241 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:42,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:21:42,062 INFO L93 Difference]: Finished difference Result 55265 states and 78914 transitions. [2024-11-28 02:21:42,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:21:42,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-11-28 02:21:42,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:21:42,118 INFO L225 Difference]: With dead ends: 55265 [2024-11-28 02:21:42,118 INFO L226 Difference]: Without dead ends: 34592 [2024-11-28 02:21:42,278 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:21:42,280 INFO L435 NwaCegarLoop]: 1465 mSDtfsCounter, 890 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 890 SdHoareTripleChecker+Valid, 2306 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:21:42,281 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [890 Valid, 2306 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:21:42,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34592 states. [2024-11-28 02:21:42,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34592 to 34482. [2024-11-28 02:21:42,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34482 states, 34481 states have (on average 1.4000174008874453) internal successors, (48274), 34481 states have internal predecessors, (48274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:42,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34482 states to 34482 states and 48274 transitions. [2024-11-28 02:21:42,994 INFO L78 Accepts]: Start accepts. Automaton has 34482 states and 48274 transitions. Word has length 82 [2024-11-28 02:21:42,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:21:42,994 INFO L471 AbstractCegarLoop]: Abstraction has 34482 states and 48274 transitions. [2024-11-28 02:21:42,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:42,994 INFO L276 IsEmpty]: Start isEmpty. Operand 34482 states and 48274 transitions. [2024-11-28 02:21:43,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-28 02:21:43,019 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:21:43,019 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:21:43,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:21:43,019 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:21:43,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:21:43,020 INFO L85 PathProgramCache]: Analyzing trace with hash -217361814, now seen corresponding path program 1 times [2024-11-28 02:21:43,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:21:43,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754047761] [2024-11-28 02:21:43,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:21:43,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:21:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:21:43,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:21:43,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:21:43,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754047761] [2024-11-28 02:21:43,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754047761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:21:43,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:21:43,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:21:43,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421241032] [2024-11-28 02:21:43,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:21:43,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:21:43,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:21:43,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:21:43,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:21:43,729 INFO L87 Difference]: Start difference. First operand 34482 states and 48274 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:45,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:21:45,677 INFO L93 Difference]: Finished difference Result 96269 states and 137131 transitions. [2024-11-28 02:21:45,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:21:45,678 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-28 02:21:45,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:21:45,783 INFO L225 Difference]: With dead ends: 96269 [2024-11-28 02:21:45,783 INFO L226 Difference]: Without dead ends: 79569 [2024-11-28 02:21:45,798 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:21:45,798 INFO L435 NwaCegarLoop]: 698 mSDtfsCounter, 4984 mSDsluCounter, 1088 mSDsCounter, 0 mSdLazyCounter, 1177 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4984 SdHoareTripleChecker+Valid, 1786 SdHoareTripleChecker+Invalid, 1335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 1177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:21:45,799 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4984 Valid, 1786 Invalid, 1335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 1177 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 02:21:45,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79569 states. [2024-11-28 02:21:46,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79569 to 34794. [2024-11-28 02:21:46,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34794 states, 34793 states have (on average 1.3993044577932343) internal successors, (48686), 34793 states have internal predecessors, (48686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:46,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34794 states to 34794 states and 48686 transitions. [2024-11-28 02:21:46,875 INFO L78 Accepts]: Start accepts. Automaton has 34794 states and 48686 transitions. Word has length 83 [2024-11-28 02:21:46,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:21:46,875 INFO L471 AbstractCegarLoop]: Abstraction has 34794 states and 48686 transitions. [2024-11-28 02:21:46,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:46,876 INFO L276 IsEmpty]: Start isEmpty. Operand 34794 states and 48686 transitions. [2024-11-28 02:21:46,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-28 02:21:46,895 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:21:46,895 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:21:46,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 02:21:46,895 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:21:46,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:21:46,896 INFO L85 PathProgramCache]: Analyzing trace with hash -830064994, now seen corresponding path program 1 times [2024-11-28 02:21:46,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:21:46,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826832493] [2024-11-28 02:21:46,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:21:46,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:21:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:21:47,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:21:47,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:21:47,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826832493] [2024-11-28 02:21:47,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826832493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:21:47,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:21:47,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:21:47,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64448686] [2024-11-28 02:21:47,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:21:47,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:21:47,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:21:47,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:21:47,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:21:47,184 INFO L87 Difference]: Start difference. First operand 34794 states and 48686 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:48,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:21:48,755 INFO L93 Difference]: Finished difference Result 88773 states and 126259 transitions. [2024-11-28 02:21:48,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:21:48,756 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-28 02:21:48,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:21:48,861 INFO L225 Difference]: With dead ends: 88773 [2024-11-28 02:21:48,861 INFO L226 Difference]: Without dead ends: 72721 [2024-11-28 02:21:48,893 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:21:48,894 INFO L435 NwaCegarLoop]: 685 mSDtfsCounter, 4939 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 1206 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4939 SdHoareTripleChecker+Valid, 1761 SdHoareTripleChecker+Invalid, 1370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 1206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:21:48,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4939 Valid, 1761 Invalid, 1370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 1206 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 02:21:48,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72721 states. [2024-11-28 02:21:50,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72721 to 35322. [2024-11-28 02:21:50,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35322 states, 35321 states have (on average 1.3984315279861839) internal successors, (49394), 35321 states have internal predecessors, (49394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:50,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35322 states to 35322 states and 49394 transitions. [2024-11-28 02:21:50,121 INFO L78 Accepts]: Start accepts. Automaton has 35322 states and 49394 transitions. Word has length 83 [2024-11-28 02:21:50,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:21:50,121 INFO L471 AbstractCegarLoop]: Abstraction has 35322 states and 49394 transitions. [2024-11-28 02:21:50,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:50,122 INFO L276 IsEmpty]: Start isEmpty. Operand 35322 states and 49394 transitions. [2024-11-28 02:21:50,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-28 02:21:50,135 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:21:50,135 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:21:50,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 02:21:50,136 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:21:50,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:21:50,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1832940740, now seen corresponding path program 1 times [2024-11-28 02:21:50,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:21:50,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602967280] [2024-11-28 02:21:50,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:21:50,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:21:50,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:21:50,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:21:50,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:21:50,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602967280] [2024-11-28 02:21:50,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602967280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:21:50,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:21:50,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:21:50,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482047094] [2024-11-28 02:21:50,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:21:50,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:21:50,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:21:50,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:21:50,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:21:50,482 INFO L87 Difference]: Start difference. First operand 35322 states and 49394 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:52,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:21:52,466 INFO L93 Difference]: Finished difference Result 100964 states and 143745 transitions. [2024-11-28 02:21:52,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:21:52,467 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-28 02:21:52,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:21:52,569 INFO L225 Difference]: With dead ends: 100964 [2024-11-28 02:21:52,569 INFO L226 Difference]: Without dead ends: 87867 [2024-11-28 02:21:52,591 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:21:52,592 INFO L435 NwaCegarLoop]: 708 mSDtfsCounter, 5080 mSDsluCounter, 1106 mSDsCounter, 0 mSdLazyCounter, 1159 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5080 SdHoareTripleChecker+Valid, 1814 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 1159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:21:52,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5080 Valid, 1814 Invalid, 1314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 1159 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 02:21:52,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87867 states. [2024-11-28 02:21:53,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87867 to 35492. [2024-11-28 02:21:53,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35492 states, 35491 states have (on average 1.3979318700515624) internal successors, (49614), 35491 states have internal predecessors, (49614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:53,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35492 states to 35492 states and 49614 transitions. [2024-11-28 02:21:53,706 INFO L78 Accepts]: Start accepts. Automaton has 35492 states and 49614 transitions. Word has length 83 [2024-11-28 02:21:53,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:21:53,706 INFO L471 AbstractCegarLoop]: Abstraction has 35492 states and 49614 transitions. [2024-11-28 02:21:53,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:53,706 INFO L276 IsEmpty]: Start isEmpty. Operand 35492 states and 49614 transitions. [2024-11-28 02:21:53,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-28 02:21:53,720 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:21:53,720 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:21:53,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 02:21:53,720 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:21:53,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:21:53,721 INFO L85 PathProgramCache]: Analyzing trace with hash 2021677264, now seen corresponding path program 1 times [2024-11-28 02:21:53,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:21:53,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101960943] [2024-11-28 02:21:53,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:21:53,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:21:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:21:54,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:21:54,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:21:54,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101960943] [2024-11-28 02:21:54,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101960943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:21:54,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:21:54,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:21:54,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109118152] [2024-11-28 02:21:54,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:21:54,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:21:54,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:21:54,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:21:54,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:21:54,068 INFO L87 Difference]: Start difference. First operand 35492 states and 49614 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:56,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:21:56,085 INFO L93 Difference]: Finished difference Result 74567 states and 105659 transitions. [2024-11-28 02:21:56,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:21:56,085 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-28 02:21:56,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:21:56,140 INFO L225 Difference]: With dead ends: 74567 [2024-11-28 02:21:56,140 INFO L226 Difference]: Without dead ends: 57749 [2024-11-28 02:21:56,168 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:21:56,168 INFO L435 NwaCegarLoop]: 713 mSDtfsCounter, 4662 mSDsluCounter, 998 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4662 SdHoareTripleChecker+Valid, 1711 SdHoareTripleChecker+Invalid, 1163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:21:56,168 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4662 Valid, 1711 Invalid, 1163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 1023 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 02:21:56,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57749 states. [2024-11-28 02:21:57,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57749 to 35576. [2024-11-28 02:21:57,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35576 states, 35575 states have (on average 1.397666900913563) internal successors, (49722), 35575 states have internal predecessors, (49722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:57,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35576 states to 35576 states and 49722 transitions. [2024-11-28 02:21:57,133 INFO L78 Accepts]: Start accepts. Automaton has 35576 states and 49722 transitions. Word has length 83 [2024-11-28 02:21:57,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:21:57,134 INFO L471 AbstractCegarLoop]: Abstraction has 35576 states and 49722 transitions. [2024-11-28 02:21:57,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:57,134 INFO L276 IsEmpty]: Start isEmpty. Operand 35576 states and 49722 transitions. [2024-11-28 02:21:57,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-28 02:21:57,160 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:21:57,160 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:21:57,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 02:21:57,160 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:21:57,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:21:57,161 INFO L85 PathProgramCache]: Analyzing trace with hash -155029479, now seen corresponding path program 1 times [2024-11-28 02:21:57,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:21:57,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588926965] [2024-11-28 02:21:57,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:21:57,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:21:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:21:57,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:21:57,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:21:57,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588926965] [2024-11-28 02:21:57,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588926965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:21:57,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:21:57,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:21:57,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105299644] [2024-11-28 02:21:57,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:21:57,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:21:57,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:21:57,664 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:21:57,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:21:57,665 INFO L87 Difference]: Start difference. First operand 35576 states and 49722 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:21:59,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:21:59,492 INFO L93 Difference]: Finished difference Result 81806 states and 116060 transitions. [2024-11-28 02:21:59,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:21:59,493 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-28 02:21:59,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:21:59,550 INFO L225 Difference]: With dead ends: 81806 [2024-11-28 02:21:59,550 INFO L226 Difference]: Without dead ends: 66846 [2024-11-28 02:21:59,569 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:21:59,569 INFO L435 NwaCegarLoop]: 647 mSDtfsCounter, 4881 mSDsluCounter, 1098 mSDsCounter, 0 mSdLazyCounter, 1362 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4881 SdHoareTripleChecker+Valid, 1745 SdHoareTripleChecker+Invalid, 1524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 1362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:21:59,569 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4881 Valid, 1745 Invalid, 1524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 1362 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 02:21:59,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66846 states. [2024-11-28 02:22:00,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66846 to 35806. [2024-11-28 02:22:00,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35806 states, 35805 states have (on average 1.3976260298840943) internal successors, (50042), 35805 states have internal predecessors, (50042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:00,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35806 states to 35806 states and 50042 transitions. [2024-11-28 02:22:00,506 INFO L78 Accepts]: Start accepts. Automaton has 35806 states and 50042 transitions. Word has length 83 [2024-11-28 02:22:00,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:22:00,507 INFO L471 AbstractCegarLoop]: Abstraction has 35806 states and 50042 transitions. [2024-11-28 02:22:00,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:00,507 INFO L276 IsEmpty]: Start isEmpty. Operand 35806 states and 50042 transitions. [2024-11-28 02:22:00,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-28 02:22:00,528 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:22:00,529 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:22:00,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 02:22:00,529 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:22:00,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:00,530 INFO L85 PathProgramCache]: Analyzing trace with hash 895037108, now seen corresponding path program 1 times [2024-11-28 02:22:00,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:22:00,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369415612] [2024-11-28 02:22:00,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:00,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:01,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:22:01,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:22:01,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369415612] [2024-11-28 02:22:01,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369415612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:22:01,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:22:01,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:22:01,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221315744] [2024-11-28 02:22:01,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:22:01,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:22:01,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:22:01,356 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:22:01,356 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:22:01,356 INFO L87 Difference]: Start difference. First operand 35806 states and 50042 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:03,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:22:03,500 INFO L93 Difference]: Finished difference Result 76063 states and 108219 transitions. [2024-11-28 02:22:03,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:22:03,500 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-11-28 02:22:03,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:22:03,559 INFO L225 Difference]: With dead ends: 76063 [2024-11-28 02:22:03,559 INFO L226 Difference]: Without dead ends: 50802 [2024-11-28 02:22:03,580 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:22:03,581 INFO L435 NwaCegarLoop]: 652 mSDtfsCounter, 4735 mSDsluCounter, 1624 mSDsCounter, 0 mSdLazyCounter, 1860 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4735 SdHoareTripleChecker+Valid, 2276 SdHoareTripleChecker+Invalid, 1888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:22:03,581 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4735 Valid, 2276 Invalid, 1888 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1860 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-28 02:22:03,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50802 states. [2024-11-28 02:22:04,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50802 to 34615. [2024-11-28 02:22:04,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34615 states, 34614 states have (on average 1.3977292425030334) internal successors, (48381), 34614 states have internal predecessors, (48381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:04,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34615 states to 34615 states and 48381 transitions. [2024-11-28 02:22:04,453 INFO L78 Accepts]: Start accepts. Automaton has 34615 states and 48381 transitions. Word has length 84 [2024-11-28 02:22:04,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:22:04,453 INFO L471 AbstractCegarLoop]: Abstraction has 34615 states and 48381 transitions. [2024-11-28 02:22:04,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:04,454 INFO L276 IsEmpty]: Start isEmpty. Operand 34615 states and 48381 transitions. [2024-11-28 02:22:04,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-28 02:22:04,470 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:22:04,470 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:22:04,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 02:22:04,471 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:22:04,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:04,472 INFO L85 PathProgramCache]: Analyzing trace with hash -284209422, now seen corresponding path program 1 times [2024-11-28 02:22:04,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:22:04,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570661066] [2024-11-28 02:22:04,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:04,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:05,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:22:05,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:22:05,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570661066] [2024-11-28 02:22:05,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570661066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:22:05,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:22:05,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:22:05,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746286068] [2024-11-28 02:22:05,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:22:05,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:22:05,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:22:05,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:22:05,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:22:05,013 INFO L87 Difference]: Start difference. First operand 34615 states and 48381 transitions. Second operand has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:06,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:22:06,973 INFO L93 Difference]: Finished difference Result 74942 states and 106544 transitions. [2024-11-28 02:22:06,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 02:22:06,973 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-11-28 02:22:06,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:22:07,025 INFO L225 Difference]: With dead ends: 74942 [2024-11-28 02:22:07,025 INFO L226 Difference]: Without dead ends: 52461 [2024-11-28 02:22:07,042 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-28 02:22:07,042 INFO L435 NwaCegarLoop]: 741 mSDtfsCounter, 5205 mSDsluCounter, 2535 mSDsCounter, 0 mSdLazyCounter, 2503 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5205 SdHoareTripleChecker+Valid, 3276 SdHoareTripleChecker+Invalid, 2542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 2503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:22:07,042 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5205 Valid, 3276 Invalid, 2542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 2503 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 02:22:07,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52461 states. [2024-11-28 02:22:07,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52461 to 34591. [2024-11-28 02:22:07,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34591 states, 34590 states have (on average 1.397398091934085) internal successors, (48336), 34590 states have internal predecessors, (48336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:07,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34591 states to 34591 states and 48336 transitions. [2024-11-28 02:22:07,737 INFO L78 Accepts]: Start accepts. Automaton has 34591 states and 48336 transitions. Word has length 84 [2024-11-28 02:22:07,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:22:07,737 INFO L471 AbstractCegarLoop]: Abstraction has 34591 states and 48336 transitions. [2024-11-28 02:22:07,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:07,737 INFO L276 IsEmpty]: Start isEmpty. Operand 34591 states and 48336 transitions. [2024-11-28 02:22:07,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-28 02:22:07,749 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:22:07,749 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:22:07,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 02:22:07,749 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:22:07,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:07,750 INFO L85 PathProgramCache]: Analyzing trace with hash 616670375, now seen corresponding path program 1 times [2024-11-28 02:22:07,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:22:07,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110970323] [2024-11-28 02:22:07,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:07,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:08,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:22:08,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:22:08,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110970323] [2024-11-28 02:22:08,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110970323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:22:08,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:22:08,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:22:08,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867214990] [2024-11-28 02:22:08,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:22:08,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:22:08,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:22:08,015 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:22:08,015 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:22:08,015 INFO L87 Difference]: Start difference. First operand 34591 states and 48336 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:09,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:22:09,548 INFO L93 Difference]: Finished difference Result 94742 states and 135081 transitions. [2024-11-28 02:22:09,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:22:09,548 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-11-28 02:22:09,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:22:09,932 INFO L225 Difference]: With dead ends: 94742 [2024-11-28 02:22:09,932 INFO L226 Difference]: Without dead ends: 79472 [2024-11-28 02:22:09,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:22:09,942 INFO L435 NwaCegarLoop]: 698 mSDtfsCounter, 4977 mSDsluCounter, 1088 mSDsCounter, 0 mSdLazyCounter, 1175 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4977 SdHoareTripleChecker+Valid, 1786 SdHoareTripleChecker+Invalid, 1333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 1175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:22:09,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4977 Valid, 1786 Invalid, 1333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 1175 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 02:22:09,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79472 states. [2024-11-28 02:22:10,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79472 to 34666. [2024-11-28 02:22:10,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34666 states, 34665 states have (on average 1.3972594836290206) internal successors, (48436), 34665 states have internal predecessors, (48436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:10,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34666 states to 34666 states and 48436 transitions. [2024-11-28 02:22:10,830 INFO L78 Accepts]: Start accepts. Automaton has 34666 states and 48436 transitions. Word has length 84 [2024-11-28 02:22:10,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:22:10,831 INFO L471 AbstractCegarLoop]: Abstraction has 34666 states and 48436 transitions. [2024-11-28 02:22:10,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:10,831 INFO L276 IsEmpty]: Start isEmpty. Operand 34666 states and 48436 transitions. [2024-11-28 02:22:10,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-28 02:22:10,851 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:22:10,851 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:22:10,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 02:22:10,852 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:22:10,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:10,852 INFO L85 PathProgramCache]: Analyzing trace with hash -843301307, now seen corresponding path program 1 times [2024-11-28 02:22:10,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:22:10,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784996501] [2024-11-28 02:22:10,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:10,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:11,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:22:11,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:22:11,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784996501] [2024-11-28 02:22:11,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784996501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:22:11,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:22:11,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:22:11,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997258736] [2024-11-28 02:22:11,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:22:11,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:22:11,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:22:11,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:22:11,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:22:11,242 INFO L87 Difference]: Start difference. First operand 34666 states and 48436 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:12,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:22:12,898 INFO L93 Difference]: Finished difference Result 87191 states and 124128 transitions. [2024-11-28 02:22:12,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:22:12,899 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-11-28 02:22:12,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:22:12,982 INFO L225 Difference]: With dead ends: 87191 [2024-11-28 02:22:12,982 INFO L226 Difference]: Without dead ends: 72093 [2024-11-28 02:22:13,012 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:22:13,013 INFO L435 NwaCegarLoop]: 685 mSDtfsCounter, 4932 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 1204 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4932 SdHoareTripleChecker+Valid, 1761 SdHoareTripleChecker+Invalid, 1368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 1204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:22:13,014 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4932 Valid, 1761 Invalid, 1368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 1204 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 02:22:13,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72093 states. [2024-11-28 02:22:13,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72093 to 34780. [2024-11-28 02:22:13,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34780 states, 34779 states have (on average 1.397107449897927) internal successors, (48590), 34779 states have internal predecessors, (48590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:13,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34780 states to 34780 states and 48590 transitions. [2024-11-28 02:22:13,956 INFO L78 Accepts]: Start accepts. Automaton has 34780 states and 48590 transitions. Word has length 84 [2024-11-28 02:22:13,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:22:13,956 INFO L471 AbstractCegarLoop]: Abstraction has 34780 states and 48590 transitions. [2024-11-28 02:22:13,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:13,956 INFO L276 IsEmpty]: Start isEmpty. Operand 34780 states and 48590 transitions. [2024-11-28 02:22:13,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-28 02:22:13,968 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:22:13,968 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:22:13,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 02:22:13,968 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:22:13,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:13,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1779380651, now seen corresponding path program 1 times [2024-11-28 02:22:13,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:22:13,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738912574] [2024-11-28 02:22:13,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:13,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:14,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:22:14,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:22:14,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738912574] [2024-11-28 02:22:14,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738912574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:22:14,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:22:14,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:22:14,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191616063] [2024-11-28 02:22:14,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:22:14,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:22:14,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:22:14,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:22:14,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:22:14,846 INFO L87 Difference]: Start difference. First operand 34780 states and 48590 transitions. Second operand has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:16,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:22:16,663 INFO L93 Difference]: Finished difference Result 70871 states and 100720 transitions. [2024-11-28 02:22:16,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 02:22:16,664 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-11-28 02:22:16,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:22:16,707 INFO L225 Difference]: With dead ends: 70871 [2024-11-28 02:22:16,708 INFO L226 Difference]: Without dead ends: 47320 [2024-11-28 02:22:16,725 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-28 02:22:16,726 INFO L435 NwaCegarLoop]: 714 mSDtfsCounter, 5009 mSDsluCounter, 2524 mSDsCounter, 0 mSdLazyCounter, 2110 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5009 SdHoareTripleChecker+Valid, 3238 SdHoareTripleChecker+Invalid, 2155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 2110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:22:16,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5009 Valid, 3238 Invalid, 2155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 2110 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 02:22:16,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47320 states. [2024-11-28 02:22:17,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47320 to 34209. [2024-11-28 02:22:17,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34209 states, 34208 states have (on average 1.3976262862488307) internal successors, (47810), 34208 states have internal predecessors, (47810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:17,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34209 states to 34209 states and 47810 transitions. [2024-11-28 02:22:17,364 INFO L78 Accepts]: Start accepts. Automaton has 34209 states and 47810 transitions. Word has length 84 [2024-11-28 02:22:17,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:22:17,364 INFO L471 AbstractCegarLoop]: Abstraction has 34209 states and 47810 transitions. [2024-11-28 02:22:17,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:17,365 INFO L276 IsEmpty]: Start isEmpty. Operand 34209 states and 47810 transitions. [2024-11-28 02:22:17,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-28 02:22:17,378 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:22:17,379 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:22:17,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 02:22:17,379 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:22:17,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:17,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1293053506, now seen corresponding path program 1 times [2024-11-28 02:22:17,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:22:17,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299653679] [2024-11-28 02:22:17,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:17,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:17,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:22:17,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:22:17,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299653679] [2024-11-28 02:22:17,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299653679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:22:17,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:22:17,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:22:17,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468291373] [2024-11-28 02:22:17,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:22:17,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:22:17,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:22:17,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:22:17,935 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:22:17,935 INFO L87 Difference]: Start difference. First operand 34209 states and 47810 transitions. Second operand has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:19,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:22:19,972 INFO L93 Difference]: Finished difference Result 75037 states and 106766 transitions. [2024-11-28 02:22:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 02:22:19,973 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-11-28 02:22:19,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:22:20,025 INFO L225 Difference]: With dead ends: 75037 [2024-11-28 02:22:20,025 INFO L226 Difference]: Without dead ends: 52480 [2024-11-28 02:22:20,042 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-28 02:22:20,043 INFO L435 NwaCegarLoop]: 721 mSDtfsCounter, 5850 mSDsluCounter, 2110 mSDsCounter, 0 mSdLazyCounter, 1972 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5850 SdHoareTripleChecker+Valid, 2831 SdHoareTripleChecker+Invalid, 2024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:22:20,044 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5850 Valid, 2831 Invalid, 2024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1972 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 02:22:20,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52480 states. [2024-11-28 02:22:20,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52480 to 34150. [2024-11-28 02:22:20,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34150 states, 34149 states have (on average 1.3974347711499604) internal successors, (47721), 34149 states have internal predecessors, (47721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:20,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34150 states to 34150 states and 47721 transitions. [2024-11-28 02:22:20,740 INFO L78 Accepts]: Start accepts. Automaton has 34150 states and 47721 transitions. Word has length 84 [2024-11-28 02:22:20,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:22:20,740 INFO L471 AbstractCegarLoop]: Abstraction has 34150 states and 47721 transitions. [2024-11-28 02:22:20,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:20,741 INFO L276 IsEmpty]: Start isEmpty. Operand 34150 states and 47721 transitions. [2024-11-28 02:22:20,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-28 02:22:20,751 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:22:20,752 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:22:20,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-28 02:22:20,752 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:22:20,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:20,752 INFO L85 PathProgramCache]: Analyzing trace with hash -677825125, now seen corresponding path program 1 times [2024-11-28 02:22:20,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:22:20,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812421295] [2024-11-28 02:22:20,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:20,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:21,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:22:21,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:22:21,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812421295] [2024-11-28 02:22:21,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812421295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:22:21,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:22:21,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:22:21,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428040697] [2024-11-28 02:22:21,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:22:21,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:22:21,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:22:21,303 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:22:21,303 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:22:21,303 INFO L87 Difference]: Start difference. First operand 34150 states and 47721 transitions. Second operand has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:23,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:22:23,652 INFO L93 Difference]: Finished difference Result 90256 states and 128872 transitions. [2024-11-28 02:22:23,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 02:22:23,658 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-11-28 02:22:23,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:22:23,730 INFO L225 Difference]: With dead ends: 90256 [2024-11-28 02:22:23,730 INFO L226 Difference]: Without dead ends: 67651 [2024-11-28 02:22:23,746 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-28 02:22:23,749 INFO L435 NwaCegarLoop]: 769 mSDtfsCounter, 4131 mSDsluCounter, 2850 mSDsCounter, 0 mSdLazyCounter, 2385 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4131 SdHoareTripleChecker+Valid, 3619 SdHoareTripleChecker+Invalid, 2432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 2385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:22:23,749 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4131 Valid, 3619 Invalid, 2432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 2385 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-28 02:22:23,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67651 states. [2024-11-28 02:22:24,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67651 to 34067. [2024-11-28 02:22:24,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34067 states, 34066 states have (on average 1.3972876181529972) internal successors, (47600), 34066 states have internal predecessors, (47600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:24,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34067 states to 34067 states and 47600 transitions. [2024-11-28 02:22:24,748 INFO L78 Accepts]: Start accepts. Automaton has 34067 states and 47600 transitions. Word has length 84 [2024-11-28 02:22:24,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:22:24,748 INFO L471 AbstractCegarLoop]: Abstraction has 34067 states and 47600 transitions. [2024-11-28 02:22:24,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:24,749 INFO L276 IsEmpty]: Start isEmpty. Operand 34067 states and 47600 transitions. [2024-11-28 02:22:24,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-28 02:22:24,769 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:22:24,769 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:22:24,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 02:22:24,769 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:22:24,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:24,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1102511207, now seen corresponding path program 1 times [2024-11-28 02:22:24,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:22:24,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030958081] [2024-11-28 02:22:24,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:24,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:25,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:22:25,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:22:25,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030958081] [2024-11-28 02:22:25,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030958081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:22:25,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:22:25,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:22:25,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703920274] [2024-11-28 02:22:25,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:22:25,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:22:25,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:22:25,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:22:25,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:22:25,257 INFO L87 Difference]: Start difference. First operand 34067 states and 47600 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:26,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:22:26,790 INFO L93 Difference]: Finished difference Result 86534 states and 123213 transitions. [2024-11-28 02:22:26,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:22:26,790 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-11-28 02:22:26,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:22:26,864 INFO L225 Difference]: With dead ends: 86534 [2024-11-28 02:22:26,864 INFO L226 Difference]: Without dead ends: 71396 [2024-11-28 02:22:26,883 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:22:26,884 INFO L435 NwaCegarLoop]: 685 mSDtfsCounter, 4914 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 1196 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4914 SdHoareTripleChecker+Valid, 1761 SdHoareTripleChecker+Invalid, 1360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 1196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:22:26,884 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4914 Valid, 1761 Invalid, 1360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 1196 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 02:22:26,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71396 states. [2024-11-28 02:22:27,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71396 to 34172. [2024-11-28 02:22:27,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34172 states, 34171 states have (on average 1.3970911006408944) internal successors, (47740), 34171 states have internal predecessors, (47740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:27,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34172 states to 34172 states and 47740 transitions. [2024-11-28 02:22:27,729 INFO L78 Accepts]: Start accepts. Automaton has 34172 states and 47740 transitions. Word has length 84 [2024-11-28 02:22:27,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:22:27,729 INFO L471 AbstractCegarLoop]: Abstraction has 34172 states and 47740 transitions. [2024-11-28 02:22:27,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:27,730 INFO L276 IsEmpty]: Start isEmpty. Operand 34172 states and 47740 transitions. [2024-11-28 02:22:27,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-28 02:22:27,742 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:22:27,742 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:22:27,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-28 02:22:27,742 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:22:27,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:27,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1597458153, now seen corresponding path program 1 times [2024-11-28 02:22:27,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:22:27,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404425015] [2024-11-28 02:22:27,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:27,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:29,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:22:29,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:22:29,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404425015] [2024-11-28 02:22:29,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404425015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:22:29,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:22:29,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 02:22:29,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747727171] [2024-11-28 02:22:29,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:22:29,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 02:22:29,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:22:29,180 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 02:22:29,180 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:22:29,180 INFO L87 Difference]: Start difference. First operand 34172 states and 47740 transitions. Second operand has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:32,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:22:32,568 INFO L93 Difference]: Finished difference Result 120220 states and 172221 transitions. [2024-11-28 02:22:32,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 02:22:32,569 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-28 02:22:32,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:22:32,664 INFO L225 Difference]: With dead ends: 120220 [2024-11-28 02:22:32,665 INFO L226 Difference]: Without dead ends: 97754 [2024-11-28 02:22:32,691 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2024-11-28 02:22:32,692 INFO L435 NwaCegarLoop]: 975 mSDtfsCounter, 8619 mSDsluCounter, 4750 mSDsCounter, 0 mSdLazyCounter, 2087 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8619 SdHoareTripleChecker+Valid, 5725 SdHoareTripleChecker+Invalid, 2127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 2087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:22:32,692 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8619 Valid, 5725 Invalid, 2127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 2087 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-28 02:22:32,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97754 states. [2024-11-28 02:22:33,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97754 to 34145. [2024-11-28 02:22:33,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34145 states, 34144 states have (on average 1.3966143392689785) internal successors, (47686), 34144 states have internal predecessors, (47686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:33,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34145 states to 34145 states and 47686 transitions. [2024-11-28 02:22:33,747 INFO L78 Accepts]: Start accepts. Automaton has 34145 states and 47686 transitions. Word has length 85 [2024-11-28 02:22:33,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:22:33,748 INFO L471 AbstractCegarLoop]: Abstraction has 34145 states and 47686 transitions. [2024-11-28 02:22:33,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:33,748 INFO L276 IsEmpty]: Start isEmpty. Operand 34145 states and 47686 transitions. [2024-11-28 02:22:33,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-28 02:22:33,758 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:22:33,759 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:22:33,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-28 02:22:33,759 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:22:33,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:33,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1346408231, now seen corresponding path program 1 times [2024-11-28 02:22:33,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:22:33,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634198785] [2024-11-28 02:22:33,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:33,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:33,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:34,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:22:34,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:22:34,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634198785] [2024-11-28 02:22:34,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634198785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:22:34,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:22:34,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:22:34,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019772980] [2024-11-28 02:22:34,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:22:34,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:22:34,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:22:34,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:22:34,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:22:34,004 INFO L87 Difference]: Start difference. First operand 34145 states and 47686 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:35,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:22:35,885 INFO L93 Difference]: Finished difference Result 79943 states and 113457 transitions. [2024-11-28 02:22:35,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:22:35,885 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-28 02:22:35,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:22:35,949 INFO L225 Difference]: With dead ends: 79943 [2024-11-28 02:22:35,949 INFO L226 Difference]: Without dead ends: 64983 [2024-11-28 02:22:35,967 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:22:35,967 INFO L435 NwaCegarLoop]: 646 mSDtfsCounter, 4848 mSDsluCounter, 1097 mSDsCounter, 0 mSdLazyCounter, 1349 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4848 SdHoareTripleChecker+Valid, 1743 SdHoareTripleChecker+Invalid, 1509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 1349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:22:35,968 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4848 Valid, 1743 Invalid, 1509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 1349 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 02:22:36,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64983 states. [2024-11-28 02:22:36,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64983 to 34392. [2024-11-28 02:22:36,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34392 states, 34391 states have (on average 1.3966153935622692) internal successors, (48031), 34391 states have internal predecessors, (48031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:36,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34392 states to 34392 states and 48031 transitions. [2024-11-28 02:22:36,803 INFO L78 Accepts]: Start accepts. Automaton has 34392 states and 48031 transitions. Word has length 85 [2024-11-28 02:22:36,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:22:36,803 INFO L471 AbstractCegarLoop]: Abstraction has 34392 states and 48031 transitions. [2024-11-28 02:22:36,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:36,803 INFO L276 IsEmpty]: Start isEmpty. Operand 34392 states and 48031 transitions. [2024-11-28 02:22:36,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-28 02:22:36,817 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:22:36,817 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:22:36,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-28 02:22:36,817 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:22:36,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:36,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1410507800, now seen corresponding path program 1 times [2024-11-28 02:22:36,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:22:36,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340733828] [2024-11-28 02:22:36,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:36,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:37,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:22:37,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:22:37,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340733828] [2024-11-28 02:22:37,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340733828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:22:37,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:22:37,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 02:22:37,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724430160] [2024-11-28 02:22:37,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:22:37,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 02:22:37,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:22:37,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 02:22:37,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:22:37,882 INFO L87 Difference]: Start difference. First operand 34392 states and 48031 transitions. Second operand has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:40,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:22:40,324 INFO L93 Difference]: Finished difference Result 121841 states and 174584 transitions. [2024-11-28 02:22:40,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 02:22:40,324 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-28 02:22:40,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:22:40,428 INFO L225 Difference]: With dead ends: 121841 [2024-11-28 02:22:40,428 INFO L226 Difference]: Without dead ends: 99270 [2024-11-28 02:22:40,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2024-11-28 02:22:40,454 INFO L435 NwaCegarLoop]: 1059 mSDtfsCounter, 6354 mSDsluCounter, 5514 mSDsCounter, 0 mSdLazyCounter, 1280 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6354 SdHoareTripleChecker+Valid, 6573 SdHoareTripleChecker+Invalid, 1365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:22:40,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6354 Valid, 6573 Invalid, 1365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1280 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 02:22:40,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99270 states. [2024-11-28 02:22:41,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99270 to 34260. [2024-11-28 02:22:41,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34260 states, 34259 states have (on average 1.3967424618348463) internal successors, (47851), 34259 states have internal predecessors, (47851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:41,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34260 states to 34260 states and 47851 transitions. [2024-11-28 02:22:41,368 INFO L78 Accepts]: Start accepts. Automaton has 34260 states and 47851 transitions. Word has length 85 [2024-11-28 02:22:41,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:22:41,368 INFO L471 AbstractCegarLoop]: Abstraction has 34260 states and 47851 transitions. [2024-11-28 02:22:41,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:41,368 INFO L276 IsEmpty]: Start isEmpty. Operand 34260 states and 47851 transitions. [2024-11-28 02:22:41,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-28 02:22:41,381 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:22:41,381 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:22:41,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-28 02:22:41,382 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:22:41,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:41,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1145905739, now seen corresponding path program 1 times [2024-11-28 02:22:41,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:22:41,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686127920] [2024-11-28 02:22:41,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:41,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:42,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:22:42,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:22:42,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686127920] [2024-11-28 02:22:42,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686127920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:22:42,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:22:42,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 02:22:42,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466321877] [2024-11-28 02:22:42,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:22:42,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:22:42,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:22:42,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:22:42,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:22:42,164 INFO L87 Difference]: Start difference. First operand 34260 states and 47851 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:43,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:22:43,629 INFO L93 Difference]: Finished difference Result 72740 states and 103825 transitions. [2024-11-28 02:22:43,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:22:43,630 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-28 02:22:43,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:22:43,673 INFO L225 Difference]: With dead ends: 72740 [2024-11-28 02:22:43,673 INFO L226 Difference]: Without dead ends: 49352 [2024-11-28 02:22:43,683 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2024-11-28 02:22:43,684 INFO L435 NwaCegarLoop]: 908 mSDtfsCounter, 2162 mSDsluCounter, 3172 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2162 SdHoareTripleChecker+Valid, 4080 SdHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:22:43,684 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2162 Valid, 4080 Invalid, 1006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 02:22:43,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49352 states. [2024-11-28 02:22:44,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49352 to 33405. [2024-11-28 02:22:44,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33405 states, 33404 states have (on average 1.3963297808645672) internal successors, (46643), 33404 states have internal predecessors, (46643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:44,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33405 states to 33405 states and 46643 transitions. [2024-11-28 02:22:44,128 INFO L78 Accepts]: Start accepts. Automaton has 33405 states and 46643 transitions. Word has length 85 [2024-11-28 02:22:44,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:22:44,128 INFO L471 AbstractCegarLoop]: Abstraction has 33405 states and 46643 transitions. [2024-11-28 02:22:44,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:44,128 INFO L276 IsEmpty]: Start isEmpty. Operand 33405 states and 46643 transitions. [2024-11-28 02:22:44,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-28 02:22:44,142 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:22:44,142 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:22:44,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-28 02:22:44,142 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:22:44,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:44,143 INFO L85 PathProgramCache]: Analyzing trace with hash -574726234, now seen corresponding path program 1 times [2024-11-28 02:22:44,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:22:44,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719926979] [2024-11-28 02:22:44,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:44,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:44,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:22:44,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:22:44,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719926979] [2024-11-28 02:22:44,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719926979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:22:44,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:22:44,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:22:44,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938824734] [2024-11-28 02:22:44,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:22:44,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:22:44,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:22:44,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:22:44,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:22:44,795 INFO L87 Difference]: Start difference. First operand 33405 states and 46643 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:46,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:22:46,624 INFO L93 Difference]: Finished difference Result 74416 states and 105842 transitions. [2024-11-28 02:22:46,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 02:22:46,624 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-28 02:22:46,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:22:46,679 INFO L225 Difference]: With dead ends: 74416 [2024-11-28 02:22:46,680 INFO L226 Difference]: Without dead ends: 51173 [2024-11-28 02:22:46,698 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-28 02:22:46,698 INFO L435 NwaCegarLoop]: 697 mSDtfsCounter, 5374 mSDsluCounter, 2016 mSDsCounter, 0 mSdLazyCounter, 1954 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5374 SdHoareTripleChecker+Valid, 2713 SdHoareTripleChecker+Invalid, 2002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:22:46,699 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5374 Valid, 2713 Invalid, 2002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1954 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 02:22:46,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51173 states. [2024-11-28 02:22:47,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51173 to 32982. [2024-11-28 02:22:47,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32982 states, 32981 states have (on average 1.3969255025620813) internal successors, (46072), 32981 states have internal predecessors, (46072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:47,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32982 states to 32982 states and 46072 transitions. [2024-11-28 02:22:47,488 INFO L78 Accepts]: Start accepts. Automaton has 32982 states and 46072 transitions. Word has length 85 [2024-11-28 02:22:47,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:22:47,488 INFO L471 AbstractCegarLoop]: Abstraction has 32982 states and 46072 transitions. [2024-11-28 02:22:47,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:47,488 INFO L276 IsEmpty]: Start isEmpty. Operand 32982 states and 46072 transitions. [2024-11-28 02:22:47,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-28 02:22:47,508 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:22:47,508 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:22:47,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-28 02:22:47,508 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:22:47,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:47,509 INFO L85 PathProgramCache]: Analyzing trace with hash 652834660, now seen corresponding path program 1 times [2024-11-28 02:22:47,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:22:47,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671709418] [2024-11-28 02:22:47,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:47,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:48,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:22:48,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:22:48,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671709418] [2024-11-28 02:22:48,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671709418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:22:48,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:22:48,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 02:22:48,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533710462] [2024-11-28 02:22:48,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:22:48,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 02:22:48,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:22:48,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 02:22:48,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:22:48,696 INFO L87 Difference]: Start difference. First operand 32982 states and 46072 transitions. Second operand has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:50,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:22:50,055 INFO L93 Difference]: Finished difference Result 69487 states and 99066 transitions. [2024-11-28 02:22:50,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 02:22:50,055 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-28 02:22:50,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:22:50,108 INFO L225 Difference]: With dead ends: 69487 [2024-11-28 02:22:50,108 INFO L226 Difference]: Without dead ends: 45882 [2024-11-28 02:22:50,128 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2024-11-28 02:22:50,129 INFO L435 NwaCegarLoop]: 948 mSDtfsCounter, 6894 mSDsluCounter, 3194 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6894 SdHoareTripleChecker+Valid, 4142 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:22:50,129 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6894 Valid, 4142 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 02:22:50,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45882 states. [2024-11-28 02:22:50,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45882 to 31800. [2024-11-28 02:22:50,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31800 states, 31799 states have (on average 1.400327054309884) internal successors, (44529), 31799 states have internal predecessors, (44529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:50,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31800 states to 31800 states and 44529 transitions. [2024-11-28 02:22:50,797 INFO L78 Accepts]: Start accepts. Automaton has 31800 states and 44529 transitions. Word has length 85 [2024-11-28 02:22:50,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:22:50,797 INFO L471 AbstractCegarLoop]: Abstraction has 31800 states and 44529 transitions. [2024-11-28 02:22:50,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:50,797 INFO L276 IsEmpty]: Start isEmpty. Operand 31800 states and 44529 transitions. [2024-11-28 02:22:50,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-28 02:22:50,809 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:22:50,809 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:22:50,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-28 02:22:50,810 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:22:50,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:50,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1821549958, now seen corresponding path program 1 times [2024-11-28 02:22:50,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:22:50,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215614742] [2024-11-28 02:22:50,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:50,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:51,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:22:51,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:22:51,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215614742] [2024-11-28 02:22:51,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215614742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:22:51,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:22:51,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:22:51,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110006783] [2024-11-28 02:22:51,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:22:51,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:22:51,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:22:51,350 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:22:51,350 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:22:51,350 INFO L87 Difference]: Start difference. First operand 31800 states and 44529 transitions. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:53,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:22:53,522 INFO L93 Difference]: Finished difference Result 72040 states and 102705 transitions. [2024-11-28 02:22:53,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 02:22:53,523 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-11-28 02:22:53,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:22:53,569 INFO L225 Difference]: With dead ends: 72040 [2024-11-28 02:22:53,569 INFO L226 Difference]: Without dead ends: 49043 [2024-11-28 02:22:53,585 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-28 02:22:53,586 INFO L435 NwaCegarLoop]: 633 mSDtfsCounter, 5021 mSDsluCounter, 1801 mSDsCounter, 0 mSdLazyCounter, 1815 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5021 SdHoareTripleChecker+Valid, 2434 SdHoareTripleChecker+Invalid, 1867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:22:53,586 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5021 Valid, 2434 Invalid, 1867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1815 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-28 02:22:53,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49043 states. [2024-11-28 02:22:54,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49043 to 31494. [2024-11-28 02:22:54,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31494 states, 31493 states have (on average 1.4005016987902073) internal successors, (44106), 31493 states have internal predecessors, (44106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:54,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31494 states to 31494 states and 44106 transitions. [2024-11-28 02:22:54,111 INFO L78 Accepts]: Start accepts. Automaton has 31494 states and 44106 transitions. Word has length 86 [2024-11-28 02:22:54,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:22:54,111 INFO L471 AbstractCegarLoop]: Abstraction has 31494 states and 44106 transitions. [2024-11-28 02:22:54,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:54,111 INFO L276 IsEmpty]: Start isEmpty. Operand 31494 states and 44106 transitions. [2024-11-28 02:22:54,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-28 02:22:54,124 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:22:54,124 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:22:54,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-28 02:22:54,124 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:22:54,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:54,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1136173328, now seen corresponding path program 1 times [2024-11-28 02:22:54,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:22:54,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024337830] [2024-11-28 02:22:54,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:54,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:54,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:22:54,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:22:54,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024337830] [2024-11-28 02:22:54,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024337830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:22:54,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:22:54,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:22:54,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232594491] [2024-11-28 02:22:54,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:22:54,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:22:54,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:22:54,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:22:54,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:22:54,267 INFO L87 Difference]: Start difference. First operand 31494 states and 44106 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:54,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:22:54,631 INFO L93 Difference]: Finished difference Result 47519 states and 67136 transitions. [2024-11-28 02:22:54,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:22:54,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-11-28 02:22:54,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:22:54,654 INFO L225 Difference]: With dead ends: 47519 [2024-11-28 02:22:54,655 INFO L226 Difference]: Without dead ends: 31496 [2024-11-28 02:22:54,663 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:22:54,663 INFO L435 NwaCegarLoop]: 1275 mSDtfsCounter, 498 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 2024 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:22:54,664 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [498 Valid, 2024 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:22:54,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31496 states. [2024-11-28 02:22:54,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31496 to 31494. [2024-11-28 02:22:54,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31494 states, 31493 states have (on average 1.3891658463785603) internal successors, (43749), 31493 states have internal predecessors, (43749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:55,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31494 states to 31494 states and 43749 transitions. [2024-11-28 02:22:55,016 INFO L78 Accepts]: Start accepts. Automaton has 31494 states and 43749 transitions. Word has length 87 [2024-11-28 02:22:55,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:22:55,016 INFO L471 AbstractCegarLoop]: Abstraction has 31494 states and 43749 transitions. [2024-11-28 02:22:55,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:55,016 INFO L276 IsEmpty]: Start isEmpty. Operand 31494 states and 43749 transitions. [2024-11-28 02:22:55,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-28 02:22:55,031 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:22:55,032 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:22:55,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-28 02:22:55,032 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:22:55,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:55,032 INFO L85 PathProgramCache]: Analyzing trace with hash 475410765, now seen corresponding path program 1 times [2024-11-28 02:22:55,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:22:55,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676706505] [2024-11-28 02:22:55,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:55,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:55,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:22:55,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:22:55,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676706505] [2024-11-28 02:22:55,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676706505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:22:55,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:22:55,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:22:55,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677378693] [2024-11-28 02:22:55,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:22:55,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:22:55,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:22:55,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:22:55,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:22:55,144 INFO L87 Difference]: Start difference. First operand 31494 states and 43749 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:55,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:22:55,467 INFO L93 Difference]: Finished difference Result 65047 states and 91365 transitions. [2024-11-28 02:22:55,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:22:55,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-11-28 02:22:55,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:22:55,514 INFO L225 Difference]: With dead ends: 65047 [2024-11-28 02:22:55,514 INFO L226 Difference]: Without dead ends: 45521 [2024-11-28 02:22:55,530 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:22:55,531 INFO L435 NwaCegarLoop]: 642 mSDtfsCounter, 665 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 665 SdHoareTripleChecker+Valid, 820 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:22:55,531 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [665 Valid, 820 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:22:55,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45521 states. [2024-11-28 02:22:56,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45521 to 45411. [2024-11-28 02:22:56,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45411 states, 45410 states have (on average 1.4106804668575204) internal successors, (64059), 45410 states have internal predecessors, (64059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:56,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45411 states to 45411 states and 64059 transitions. [2024-11-28 02:22:56,195 INFO L78 Accepts]: Start accepts. Automaton has 45411 states and 64059 transitions. Word has length 87 [2024-11-28 02:22:56,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:22:56,196 INFO L471 AbstractCegarLoop]: Abstraction has 45411 states and 64059 transitions. [2024-11-28 02:22:56,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:56,196 INFO L276 IsEmpty]: Start isEmpty. Operand 45411 states and 64059 transitions. [2024-11-28 02:22:56,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-28 02:22:56,208 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:22:56,209 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:22:56,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-28 02:22:56,209 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:22:56,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:56,209 INFO L85 PathProgramCache]: Analyzing trace with hash 956724749, now seen corresponding path program 1 times [2024-11-28 02:22:56,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:22:56,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938070650] [2024-11-28 02:22:56,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:56,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:56,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:22:56,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:22:56,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938070650] [2024-11-28 02:22:56,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938070650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:22:56,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:22:56,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:22:56,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775378464] [2024-11-28 02:22:56,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:22:56,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:22:56,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:22:56,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:22:56,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:22:56,316 INFO L87 Difference]: Start difference. First operand 45411 states and 64059 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:56,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:22:56,595 INFO L93 Difference]: Finished difference Result 86088 states and 122210 transitions. [2024-11-28 02:22:56,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:22:56,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2024-11-28 02:22:56,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:22:56,657 INFO L225 Difference]: With dead ends: 86088 [2024-11-28 02:22:56,657 INFO L226 Difference]: Without dead ends: 58062 [2024-11-28 02:22:56,678 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:22:56,678 INFO L435 NwaCegarLoop]: 586 mSDtfsCounter, 542 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:22:56,678 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 781 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:22:56,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58062 states. [2024-11-28 02:22:57,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58062 to 44053. [2024-11-28 02:22:57,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44053 states, 44052 states have (on average 1.4118995732316353) internal successors, (62197), 44052 states have internal predecessors, (62197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:57,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44053 states to 44053 states and 62197 transitions. [2024-11-28 02:22:57,885 INFO L78 Accepts]: Start accepts. Automaton has 44053 states and 62197 transitions. Word has length 89 [2024-11-28 02:22:57,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:22:57,885 INFO L471 AbstractCegarLoop]: Abstraction has 44053 states and 62197 transitions. [2024-11-28 02:22:57,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:57,886 INFO L276 IsEmpty]: Start isEmpty. Operand 44053 states and 62197 transitions. [2024-11-28 02:22:57,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-28 02:22:57,908 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:22:57,908 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:22:57,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-28 02:22:57,909 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:22:57,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:57,909 INFO L85 PathProgramCache]: Analyzing trace with hash -759659953, now seen corresponding path program 1 times [2024-11-28 02:22:57,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:22:57,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469233877] [2024-11-28 02:22:57,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:57,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:59,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:22:59,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:22:59,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469233877] [2024-11-28 02:22:59,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469233877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:22:59,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:22:59,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 02:22:59,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117579879] [2024-11-28 02:22:59,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:22:59,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 02:22:59,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:22:59,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 02:22:59,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:22:59,594 INFO L87 Difference]: Start difference. First operand 44053 states and 62197 transitions. Second operand has 13 states, 13 states have (on average 6.846153846153846) internal successors, (89), 13 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:23:01,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:23:01,688 INFO L93 Difference]: Finished difference Result 100565 states and 143385 transitions. [2024-11-28 02:23:01,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 02:23:01,688 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.846153846153846) internal successors, (89), 13 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2024-11-28 02:23:01,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:23:01,784 INFO L225 Difference]: With dead ends: 100565 [2024-11-28 02:23:01,784 INFO L226 Difference]: Without dead ends: 88053 [2024-11-28 02:23:01,807 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=176, Invalid=526, Unknown=0, NotChecked=0, Total=702 [2024-11-28 02:23:01,807 INFO L435 NwaCegarLoop]: 540 mSDtfsCounter, 4132 mSDsluCounter, 3409 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4132 SdHoareTripleChecker+Valid, 3949 SdHoareTripleChecker+Invalid, 911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:23:01,807 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4132 Valid, 3949 Invalid, 911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 02:23:01,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88053 states. [2024-11-28 02:23:02,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88053 to 44044. [2024-11-28 02:23:02,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44044 states, 44043 states have (on average 1.4117793974070794) internal successors, (62179), 44043 states have internal predecessors, (62179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:23:02,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44044 states to 44044 states and 62179 transitions. [2024-11-28 02:23:02,774 INFO L78 Accepts]: Start accepts. Automaton has 44044 states and 62179 transitions. Word has length 89 [2024-11-28 02:23:02,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:23:02,774 INFO L471 AbstractCegarLoop]: Abstraction has 44044 states and 62179 transitions. [2024-11-28 02:23:02,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.846153846153846) internal successors, (89), 13 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:23:02,774 INFO L276 IsEmpty]: Start isEmpty. Operand 44044 states and 62179 transitions. [2024-11-28 02:23:02,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 02:23:02,807 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:23:02,807 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:23:02,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-28 02:23:02,807 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:23:02,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:23:02,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1011293489, now seen corresponding path program 1 times [2024-11-28 02:23:02,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:23:02,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863638419] [2024-11-28 02:23:02,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:23:02,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:23:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:23:03,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:23:03,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:23:03,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863638419] [2024-11-28 02:23:03,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863638419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:23:03,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:23:03,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:23:03,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550935917] [2024-11-28 02:23:03,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:23:03,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:23:03,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:23:03,048 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:23:03,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:23:03,049 INFO L87 Difference]: Start difference. First operand 44044 states and 62179 transitions. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 7 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:23:04,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:23:04,087 INFO L93 Difference]: Finished difference Result 237772 states and 344401 transitions. [2024-11-28 02:23:04,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:23:04,087 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 7 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2024-11-28 02:23:04,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:23:04,322 INFO L225 Difference]: With dead ends: 237772 [2024-11-28 02:23:04,322 INFO L226 Difference]: Without dead ends: 201527 [2024-11-28 02:23:04,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:23:04,358 INFO L435 NwaCegarLoop]: 564 mSDtfsCounter, 3692 mSDsluCounter, 1175 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3692 SdHoareTripleChecker+Valid, 1739 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:23:04,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3692 Valid, 1739 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:23:04,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201527 states.