./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/combinations/pals_lcr.6.ufo.UNBOUNDED.pals+Problem12_label07.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/combinations/pals_lcr.6.ufo.UNBOUNDED.pals+Problem12_label07.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '2ebc8d28b42c51bdeaffef49b8259d7ab2c7e002b024bef1fa6cab620a98975e'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/combinations/pals_lcr.6.ufo.UNBOUNDED.pals+Problem12_label07.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 2ebc8d28b42c51bdeaffef49b8259d7ab2c7e002b024bef1fa6cab620a98975e --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 01:36:13,415 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 01:36:13,498 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 01:36:13,502 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 01:36:13,503 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 01:36:13,530 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 01:36:13,532 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 01:36:13,532 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 01:36:13,533 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 01:36:13,533 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 01:36:13,534 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 01:36:13,534 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 01:36:13,535 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 01:36:13,535 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 01:36:13,535 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 01:36:13,535 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 01:36:13,535 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 01:36:13,535 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 01:36:13,535 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 01:36:13,535 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 01:36:13,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 01:36:13,536 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 01:36:13,536 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 01:36:13,536 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 01:36:13,536 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 01:36:13,536 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 01:36:13,536 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 01:36:13,536 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 01:36:13,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 01:36:13,536 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 01:36:13,536 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 01:36:13,536 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 01:36:13,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 01:36:13,536 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 01:36:13,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 01:36:13,537 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 01:36:13,537 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 01:36:13,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 01:36:13,537 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 01:36:13,537 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 01:36:13,537 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 01:36:13,537 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 01:36:13,538 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux 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 -> 2ebc8d28b42c51bdeaffef49b8259d7ab2c7e002b024bef1fa6cab620a98975e [2024-11-07 01:36:13,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 01:36:13,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 01:36:13,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 01:36:13,848 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 01:36:13,849 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 01:36:13,850 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/pals_lcr.6.ufo.UNBOUNDED.pals+Problem12_label07.c [2024-11-07 01:36:15,149 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 01:36:15,764 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 01:36:15,766 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/combinations/pals_lcr.6.ufo.UNBOUNDED.pals+Problem12_label07.c [2024-11-07 01:36:15,804 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c6ad87576/3f01eb7399fd485ea369f4c2f61df05e/FLAGfc6eca2e9 [2024-11-07 01:36:16,216 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c6ad87576/3f01eb7399fd485ea369f4c2f61df05e [2024-11-07 01:36:16,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 01:36:16,219 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 01:36:16,220 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 01:36:16,220 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 01:36:16,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 01:36:16,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:36:16" (1/1) ... [2024-11-07 01:36:16,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c31c931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:16, skipping insertion in model container [2024-11-07 01:36:16,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:36:16" (1/1) ... [2024-11-07 01:36:16,319 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 01:36:16,677 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/combinations/pals_lcr.6.ufo.UNBOUNDED.pals+Problem12_label07.c[15510,15523] [2024-11-07 01:36:16,717 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/combinations/pals_lcr.6.ufo.UNBOUNDED.pals+Problem12_label07.c[16352,16365] [2024-11-07 01:36:17,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 01:36:17,266 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 01:36:17,310 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/combinations/pals_lcr.6.ufo.UNBOUNDED.pals+Problem12_label07.c[15510,15523] [2024-11-07 01:36:17,319 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/combinations/pals_lcr.6.ufo.UNBOUNDED.pals+Problem12_label07.c[16352,16365] [2024-11-07 01:36:17,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 01:36:17,671 INFO L204 MainTranslator]: Completed translation [2024-11-07 01:36:17,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:17 WrapperNode [2024-11-07 01:36:17,672 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 01:36:17,673 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 01:36:17,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 01:36:17,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 01:36:17,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:17" (1/1) ... [2024-11-07 01:36:17,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:17" (1/1) ... [2024-11-07 01:36:18,098 INFO L138 Inliner]: procedures = 38, calls = 23, calls flagged for inlining = 18, calls inlined = 18, statements flattened = 5157 [2024-11-07 01:36:18,099 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 01:36:18,100 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 01:36:18,100 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 01:36:18,101 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 01:36:18,109 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:17" (1/1) ... [2024-11-07 01:36:18,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:17" (1/1) ... [2024-11-07 01:36:18,158 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:17" (1/1) ... [2024-11-07 01:36:18,364 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]. [2024-11-07 01:36:18,364 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:17" (1/1) ... [2024-11-07 01:36:18,364 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:17" (1/1) ... [2024-11-07 01:36:18,513 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:17" (1/1) ... [2024-11-07 01:36:18,549 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:17" (1/1) ... [2024-11-07 01:36:18,589 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:17" (1/1) ... [2024-11-07 01:36:18,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:17" (1/1) ... [2024-11-07 01:36:18,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 01:36:18,729 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 01:36:18,729 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 01:36:18,729 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 01:36:18,731 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:17" (1/1) ... [2024-11-07 01:36:18,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 01:36:18,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 01:36:18,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 01:36:18,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 01:36:18,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 01:36:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 01:36:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 01:36:18,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 01:36:18,902 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 01:36:18,904 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 01:36:23,442 INFO L? ?]: Removed 749 outVars from TransFormulas that were not future-live. [2024-11-07 01:36:23,442 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 01:36:23,472 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 01:36:23,472 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-07 01:36:23,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:36:23 BoogieIcfgContainer [2024-11-07 01:36:23,473 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 01:36:23,475 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 01:36:23,475 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 01:36:23,482 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 01:36:23,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:36:16" (1/3) ... [2024-11-07 01:36:23,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74d24bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:36:23, skipping insertion in model container [2024-11-07 01:36:23,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:17" (2/3) ... [2024-11-07 01:36:23,484 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74d24bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:36:23, skipping insertion in model container [2024-11-07 01:36:23,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:36:23" (3/3) ... [2024-11-07 01:36:23,485 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.ufo.UNBOUNDED.pals+Problem12_label07.c [2024-11-07 01:36:23,498 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 01:36:23,498 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 01:36:23,580 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 01:36:23,592 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;@78799921, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 01:36:23,593 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-07 01:36:23,605 INFO L276 IsEmpty]: Start isEmpty. Operand has 916 states, 913 states have (on average 1.9036144578313252) internal successors, (1738), 915 states have internal predecessors, (1738), 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) [2024-11-07 01:36:23,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-07 01:36:23,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:36:23,612 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:36:23,612 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:36:23,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:36:23,617 INFO L85 PathProgramCache]: Analyzing trace with hash -2039413055, now seen corresponding path program 1 times [2024-11-07 01:36:23,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:36:23,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270032619] [2024-11-07 01:36:23,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:36:23,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:36:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:36:23,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:36:23,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:36:23,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270032619] [2024-11-07 01:36:23,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270032619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:36:23,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:36:23,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 01:36:23,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835278609] [2024-11-07 01:36:23,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:36:23,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 01:36:23,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:36:23,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 01:36:23,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 01:36:23,854 INFO L87 Difference]: Start difference. First operand has 916 states, 913 states have (on average 1.9036144578313252) internal successors, (1738), 915 states have internal predecessors, (1738), 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 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-11-07 01:36:27,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:36:27,418 INFO L93 Difference]: Finished difference Result 2539 states and 4888 transitions. [2024-11-07 01:36:27,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 01:36:27,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2024-11-07 01:36:27,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:36:27,439 INFO L225 Difference]: With dead ends: 2539 [2024-11-07 01:36:27,439 INFO L226 Difference]: Without dead ends: 1601 [2024-11-07 01:36:27,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 01:36:27,448 INFO L432 NwaCegarLoop]: 638 mSDtfsCounter, 994 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 2334 mSolverCounterSat, 651 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 994 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 2985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 651 IncrementalHoareTripleChecker+Valid, 2334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-07 01:36:27,448 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [994 Valid, 649 Invalid, 2985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [651 Valid, 2334 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-07 01:36:27,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1601 states. [2024-11-07 01:36:27,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1601 to 1601. [2024-11-07 01:36:27,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1601 states, 1599 states have (on average 1.6460287679799874) internal successors, (2632), 1600 states have internal predecessors, (2632), 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) [2024-11-07 01:36:27,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1601 states and 2632 transitions. [2024-11-07 01:36:27,541 INFO L78 Accepts]: Start accepts. Automaton has 1601 states and 2632 transitions. Word has length 7 [2024-11-07 01:36:27,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:36:27,541 INFO L471 AbstractCegarLoop]: Abstraction has 1601 states and 2632 transitions. [2024-11-07 01:36:27,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-11-07 01:36:27,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 2632 transitions. [2024-11-07 01:36:27,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-07 01:36:27,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:36:27,543 INFO L215 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] [2024-11-07 01:36:27,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 01:36:27,543 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:36:27,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:36:27,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1448421831, now seen corresponding path program 1 times [2024-11-07 01:36:27,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:36:27,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282710805] [2024-11-07 01:36:27,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:36:27,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:36:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:36:27,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:36:27,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:36:27,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282710805] [2024-11-07 01:36:27,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282710805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:36:27,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:36:27,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 01:36:27,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177117774] [2024-11-07 01:36:27,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:36:27,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 01:36:27,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:36:27,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 01:36:27,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 01:36:27,841 INFO L87 Difference]: Start difference. First operand 1601 states and 2632 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2024-11-07 01:36:27,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:36:27,947 INFO L93 Difference]: Finished difference Result 1655 states and 2716 transitions. [2024-11-07 01:36:27,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 01:36:27,948 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 26 [2024-11-07 01:36:27,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:36:27,956 INFO L225 Difference]: With dead ends: 1655 [2024-11-07 01:36:27,956 INFO L226 Difference]: Without dead ends: 1601 [2024-11-07 01:36:27,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 01:36:27,959 INFO L432 NwaCegarLoop]: 1603 mSDtfsCounter, 0 mSDsluCounter, 4764 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6367 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 01:36:27,960 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6367 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 01:36:27,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1601 states. [2024-11-07 01:36:27,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1601 to 1601. [2024-11-07 01:36:27,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1601 states, 1599 states have (on average 1.6210131332082551) internal successors, (2592), 1600 states have internal predecessors, (2592), 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) [2024-11-07 01:36:28,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1601 states and 2592 transitions. [2024-11-07 01:36:28,004 INFO L78 Accepts]: Start accepts. Automaton has 1601 states and 2592 transitions. Word has length 26 [2024-11-07 01:36:28,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:36:28,004 INFO L471 AbstractCegarLoop]: Abstraction has 1601 states and 2592 transitions. [2024-11-07 01:36:28,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2024-11-07 01:36:28,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 2592 transitions. [2024-11-07 01:36:28,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-07 01:36:28,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:36:28,010 INFO L215 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] [2024-11-07 01:36:28,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 01:36:28,010 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:36:28,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:36:28,014 INFO L85 PathProgramCache]: Analyzing trace with hash -295358701, now seen corresponding path program 1 times [2024-11-07 01:36:28,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:36:28,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173954529] [2024-11-07 01:36:28,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:36:28,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:36:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:36:28,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:36:28,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:36:28,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173954529] [2024-11-07 01:36:28,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173954529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:36:28,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:36:28,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 01:36:28,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352420213] [2024-11-07 01:36:28,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:36:28,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 01:36:28,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:36:28,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 01:36:28,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 01:36:28,342 INFO L87 Difference]: Start difference. First operand 1601 states and 2592 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 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) [2024-11-07 01:36:28,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:36:28,689 INFO L93 Difference]: Finished difference Result 2201 states and 3552 transitions. [2024-11-07 01:36:28,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 01:36:28,690 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 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 65 [2024-11-07 01:36:28,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:36:28,699 INFO L225 Difference]: With dead ends: 2201 [2024-11-07 01:36:28,701 INFO L226 Difference]: Without dead ends: 2151 [2024-11-07 01:36:28,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2024-11-07 01:36:28,705 INFO L432 NwaCegarLoop]: 1559 mSDtfsCounter, 9855 mSDsluCounter, 1526 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9855 SdHoareTripleChecker+Valid, 3085 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 01:36:28,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9855 Valid, 3085 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 01:36:28,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2151 states. [2024-11-07 01:36:28,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2151 to 1649. [2024-11-07 01:36:28,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1649 states, 1647 states have (on average 1.620522161505768) internal successors, (2669), 1648 states have internal predecessors, (2669), 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) [2024-11-07 01:36:28,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2669 transitions. [2024-11-07 01:36:28,754 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2669 transitions. Word has length 65 [2024-11-07 01:36:28,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:36:28,757 INFO L471 AbstractCegarLoop]: Abstraction has 1649 states and 2669 transitions. [2024-11-07 01:36:28,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 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) [2024-11-07 01:36:28,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2669 transitions. [2024-11-07 01:36:28,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-07 01:36:28,759 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:36:28,760 INFO L215 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] [2024-11-07 01:36:28,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 01:36:28,760 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:36:28,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:36:28,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1787564125, now seen corresponding path program 1 times [2024-11-07 01:36:28,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:36:28,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223252815] [2024-11-07 01:36:28,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:36:28,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:36:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:36:28,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:36:28,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:36:28,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223252815] [2024-11-07 01:36:28,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223252815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:36:28,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:36:28,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 01:36:28,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495584731] [2024-11-07 01:36:28,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:36:28,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 01:36:28,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:36:28,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 01:36:28,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 01:36:28,884 INFO L87 Difference]: Start difference. First operand 1649 states and 2669 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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) [2024-11-07 01:36:28,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:36:28,934 INFO L93 Difference]: Finished difference Result 1834 states and 2964 transitions. [2024-11-07 01:36:28,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 01:36:28,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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 67 [2024-11-07 01:36:28,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:36:28,941 INFO L225 Difference]: With dead ends: 1834 [2024-11-07 01:36:28,941 INFO L226 Difference]: Without dead ends: 1736 [2024-11-07 01:36:28,942 INFO L431 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 [2024-11-07 01:36:28,942 INFO L432 NwaCegarLoop]: 1561 mSDtfsCounter, 1492 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1492 SdHoareTripleChecker+Valid, 1634 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 01:36:28,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1492 Valid, 1634 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 01:36:28,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1736 states. [2024-11-07 01:36:28,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1736 to 1732. [2024-11-07 01:36:28,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1732 states, 1730 states have (on average 1.6179190751445087) internal successors, (2799), 1731 states have internal predecessors, (2799), 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) [2024-11-07 01:36:28,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1732 states and 2799 transitions. [2024-11-07 01:36:28,986 INFO L78 Accepts]: Start accepts. Automaton has 1732 states and 2799 transitions. Word has length 67 [2024-11-07 01:36:28,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:36:28,987 INFO L471 AbstractCegarLoop]: Abstraction has 1732 states and 2799 transitions. [2024-11-07 01:36:28,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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) [2024-11-07 01:36:28,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 2799 transitions. [2024-11-07 01:36:28,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-07 01:36:28,989 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:36:28,989 INFO L215 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] [2024-11-07 01:36:28,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 01:36:28,989 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:36:28,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:36:28,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1721070613, now seen corresponding path program 1 times [2024-11-07 01:36:28,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:36:28,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089450441] [2024-11-07 01:36:28,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:36:28,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:36:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:36:29,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:36:29,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:36:29,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089450441] [2024-11-07 01:36:29,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089450441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:36:29,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:36:29,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 01:36:29,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140556190] [2024-11-07 01:36:29,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:36:29,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 01:36:29,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:36:29,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 01:36:29,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-07 01:36:29,427 INFO L87 Difference]: Start difference. First operand 1732 states and 2799 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 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) [2024-11-07 01:36:29,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:36:29,708 INFO L93 Difference]: Finished difference Result 1915 states and 3087 transitions. [2024-11-07 01:36:29,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 01:36:29,709 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 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 67 [2024-11-07 01:36:29,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:36:29,716 INFO L225 Difference]: With dead ends: 1915 [2024-11-07 01:36:29,716 INFO L226 Difference]: Without dead ends: 1734 [2024-11-07 01:36:29,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2024-11-07 01:36:29,718 INFO L432 NwaCegarLoop]: 1557 mSDtfsCounter, 9010 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9010 SdHoareTripleChecker+Valid, 1940 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 01:36:29,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9010 Valid, 1940 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 01:36:29,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2024-11-07 01:36:29,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1732. [2024-11-07 01:36:29,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1732 states, 1730 states have (on average 1.6167630057803468) internal successors, (2797), 1731 states have internal predecessors, (2797), 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) [2024-11-07 01:36:29,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1732 states and 2797 transitions. [2024-11-07 01:36:29,809 INFO L78 Accepts]: Start accepts. Automaton has 1732 states and 2797 transitions. Word has length 67 [2024-11-07 01:36:29,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:36:29,809 INFO L471 AbstractCegarLoop]: Abstraction has 1732 states and 2797 transitions. [2024-11-07 01:36:29,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 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) [2024-11-07 01:36:29,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 2797 transitions. [2024-11-07 01:36:29,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-07 01:36:29,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:36:29,811 INFO L215 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] [2024-11-07 01:36:29,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 01:36:29,811 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:36:29,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:36:29,811 INFO L85 PathProgramCache]: Analyzing trace with hash 2066662853, now seen corresponding path program 1 times [2024-11-07 01:36:29,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:36:29,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901820937] [2024-11-07 01:36:29,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:36:29,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:36:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:36:30,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:36:30,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:36:30,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901820937] [2024-11-07 01:36:30,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901820937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:36:30,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:36:30,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 01:36:30,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600711088] [2024-11-07 01:36:30,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:36:30,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 01:36:30,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:36:30,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 01:36:30,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 01:36:30,049 INFO L87 Difference]: Start difference. First operand 1732 states and 2797 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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) [2024-11-07 01:36:30,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:36:30,097 INFO L93 Difference]: Finished difference Result 1740 states and 2806 transitions. [2024-11-07 01:36:30,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 01:36:30,099 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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 68 [2024-11-07 01:36:30,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:36:30,106 INFO L225 Difference]: With dead ends: 1740 [2024-11-07 01:36:30,107 INFO L226 Difference]: Without dead ends: 1738 [2024-11-07 01:36:30,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 01:36:30,108 INFO L432 NwaCegarLoop]: 1562 mSDtfsCounter, 0 mSDsluCounter, 4677 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6239 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 01:36:30,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6239 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 01:36:30,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1738 states. [2024-11-07 01:36:30,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1738 to 1738. [2024-11-07 01:36:30,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1738 states, 1736 states have (on average 1.6140552995391706) internal successors, (2802), 1737 states have internal predecessors, (2802), 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) [2024-11-07 01:36:30,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1738 states and 2802 transitions. [2024-11-07 01:36:30,149 INFO L78 Accepts]: Start accepts. Automaton has 1738 states and 2802 transitions. Word has length 68 [2024-11-07 01:36:30,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:36:30,150 INFO L471 AbstractCegarLoop]: Abstraction has 1738 states and 2802 transitions. [2024-11-07 01:36:30,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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) [2024-11-07 01:36:30,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2802 transitions. [2024-11-07 01:36:30,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-07 01:36:30,152 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:36:30,152 INFO L215 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] [2024-11-07 01:36:30,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 01:36:30,152 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:36:30,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:36:30,153 INFO L85 PathProgramCache]: Analyzing trace with hash 279342091, now seen corresponding path program 1 times [2024-11-07 01:36:30,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:36:30,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270868624] [2024-11-07 01:36:30,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:36:30,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:36:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:36:30,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:36:30,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:36:30,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270868624] [2024-11-07 01:36:30,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270868624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:36:30,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:36:30,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 01:36:30,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82073288] [2024-11-07 01:36:30,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:36:30,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 01:36:30,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:36:30,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 01:36:30,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 01:36:30,224 INFO L87 Difference]: Start difference. First operand 1738 states and 2802 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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) [2024-11-07 01:36:30,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:36:30,262 INFO L93 Difference]: Finished difference Result 2096 states and 3354 transitions. [2024-11-07 01:36:30,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 01:36:30,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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 69 [2024-11-07 01:36:30,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:36:30,270 INFO L225 Difference]: With dead ends: 2096 [2024-11-07 01:36:30,270 INFO L226 Difference]: Without dead ends: 1909 [2024-11-07 01:36:30,271 INFO L431 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 [2024-11-07 01:36:30,272 INFO L432 NwaCegarLoop]: 1612 mSDtfsCounter, 1505 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1505 SdHoareTripleChecker+Valid, 1701 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 01:36:30,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1505 Valid, 1701 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 01:36:30,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1909 states. [2024-11-07 01:36:30,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1909 to 1907. [2024-11-07 01:36:30,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1907 states, 1905 states have (on average 1.6057742782152231) internal successors, (3059), 1906 states have internal predecessors, (3059), 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) [2024-11-07 01:36:30,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1907 states to 1907 states and 3059 transitions. [2024-11-07 01:36:30,314 INFO L78 Accepts]: Start accepts. Automaton has 1907 states and 3059 transitions. Word has length 69 [2024-11-07 01:36:30,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:36:30,314 INFO L471 AbstractCegarLoop]: Abstraction has 1907 states and 3059 transitions. [2024-11-07 01:36:30,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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) [2024-11-07 01:36:30,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1907 states and 3059 transitions. [2024-11-07 01:36:30,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-07 01:36:30,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:36:30,315 INFO L215 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] [2024-11-07 01:36:30,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 01:36:30,316 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:36:30,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:36:30,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1517604107, now seen corresponding path program 1 times [2024-11-07 01:36:30,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:36:30,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315099941] [2024-11-07 01:36:30,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:36:30,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:36:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:36:30,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:36:30,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:36:30,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315099941] [2024-11-07 01:36:30,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315099941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:36:30,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:36:30,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 01:36:30,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76719771] [2024-11-07 01:36:30,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:36:30,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 01:36:30,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:36:30,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 01:36:30,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 01:36:30,389 INFO L87 Difference]: Start difference. First operand 1907 states and 3059 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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) [2024-11-07 01:36:30,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:36:30,427 INFO L93 Difference]: Finished difference Result 2587 states and 4097 transitions. [2024-11-07 01:36:30,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 01:36:30,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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 69 [2024-11-07 01:36:30,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:36:30,437 INFO L225 Difference]: With dead ends: 2587 [2024-11-07 01:36:30,437 INFO L226 Difference]: Without dead ends: 2231 [2024-11-07 01:36:30,438 INFO L431 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 [2024-11-07 01:36:30,439 INFO L432 NwaCegarLoop]: 1610 mSDtfsCounter, 1503 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1503 SdHoareTripleChecker+Valid, 1703 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 01:36:30,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1503 Valid, 1703 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 01:36:30,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2024-11-07 01:36:30,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 2229. [2024-11-07 01:36:30,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2229 states, 2227 states have (on average 1.5900314324202964) internal successors, (3541), 2228 states have internal predecessors, (3541), 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) [2024-11-07 01:36:30,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 2229 states and 3541 transitions. [2024-11-07 01:36:30,490 INFO L78 Accepts]: Start accepts. Automaton has 2229 states and 3541 transitions. Word has length 69 [2024-11-07 01:36:30,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:36:30,490 INFO L471 AbstractCegarLoop]: Abstraction has 2229 states and 3541 transitions. [2024-11-07 01:36:30,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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) [2024-11-07 01:36:30,490 INFO L276 IsEmpty]: Start isEmpty. Operand 2229 states and 3541 transitions. [2024-11-07 01:36:30,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-07 01:36:30,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:36:30,491 INFO L215 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] [2024-11-07 01:36:30,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 01:36:30,491 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:36:30,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:36:30,492 INFO L85 PathProgramCache]: Analyzing trace with hash -697864693, now seen corresponding path program 1 times [2024-11-07 01:36:30,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:36:30,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832056891] [2024-11-07 01:36:30,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:36:30,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:36:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:36:30,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:36:30,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:36:30,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832056891] [2024-11-07 01:36:30,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832056891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:36:30,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:36:30,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 01:36:30,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279927811] [2024-11-07 01:36:30,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:36:30,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 01:36:30,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:36:30,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 01:36:30,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 01:36:30,552 INFO L87 Difference]: Start difference. First operand 2229 states and 3541 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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) [2024-11-07 01:36:30,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:36:30,598 INFO L93 Difference]: Finished difference Result 3521 states and 5487 transitions. [2024-11-07 01:36:30,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 01:36:30,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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 69 [2024-11-07 01:36:30,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:36:30,611 INFO L225 Difference]: With dead ends: 3521 [2024-11-07 01:36:30,611 INFO L226 Difference]: Without dead ends: 2843 [2024-11-07 01:36:30,613 INFO L431 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 [2024-11-07 01:36:30,613 INFO L432 NwaCegarLoop]: 1608 mSDtfsCounter, 1501 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1501 SdHoareTripleChecker+Valid, 1705 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 01:36:30,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1501 Valid, 1705 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 01:36:30,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2843 states. [2024-11-07 01:36:30,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2843 to 2841. [2024-11-07 01:36:30,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2841 states, 2839 states have (on average 1.5642831983092638) internal successors, (4441), 2840 states have internal predecessors, (4441), 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) [2024-11-07 01:36:30,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 2841 states and 4441 transitions. [2024-11-07 01:36:30,684 INFO L78 Accepts]: Start accepts. Automaton has 2841 states and 4441 transitions. Word has length 69 [2024-11-07 01:36:30,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:36:30,685 INFO L471 AbstractCegarLoop]: Abstraction has 2841 states and 4441 transitions. [2024-11-07 01:36:30,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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) [2024-11-07 01:36:30,685 INFO L276 IsEmpty]: Start isEmpty. Operand 2841 states and 4441 transitions. [2024-11-07 01:36:30,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-07 01:36:30,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:36:30,687 INFO L215 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] [2024-11-07 01:36:30,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 01:36:30,689 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:36:30,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:36:30,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1083068171, now seen corresponding path program 1 times [2024-11-07 01:36:30,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:36:30,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482112799] [2024-11-07 01:36:30,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:36:30,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:36:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:36:30,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:36:30,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:36:30,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482112799] [2024-11-07 01:36:30,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482112799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:36:30,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:36:30,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 01:36:30,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483369442] [2024-11-07 01:36:30,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:36:30,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 01:36:30,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:36:30,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 01:36:30,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 01:36:30,757 INFO L87 Difference]: Start difference. First operand 2841 states and 4441 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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) [2024-11-07 01:36:30,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:36:30,827 INFO L93 Difference]: Finished difference Result 5293 states and 8075 transitions. [2024-11-07 01:36:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 01:36:30,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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 69 [2024-11-07 01:36:30,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:36:30,842 INFO L225 Difference]: With dead ends: 5293 [2024-11-07 01:36:30,842 INFO L226 Difference]: Without dead ends: 4003 [2024-11-07 01:36:30,845 INFO L431 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 [2024-11-07 01:36:30,846 INFO L432 NwaCegarLoop]: 1606 mSDtfsCounter, 1499 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1499 SdHoareTripleChecker+Valid, 1707 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 01:36:30,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1499 Valid, 1707 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 01:36:30,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4003 states. [2024-11-07 01:36:30,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4003 to 4001. [2024-11-07 01:36:30,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4001 states, 3999 states have (on average 1.52863215803951) internal successors, (6113), 4000 states have internal predecessors, (6113), 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) [2024-11-07 01:36:30,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4001 states to 4001 states and 6113 transitions. [2024-11-07 01:36:30,950 INFO L78 Accepts]: Start accepts. Automaton has 4001 states and 6113 transitions. Word has length 69 [2024-11-07 01:36:30,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:36:30,950 INFO L471 AbstractCegarLoop]: Abstraction has 4001 states and 6113 transitions. [2024-11-07 01:36:30,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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) [2024-11-07 01:36:30,951 INFO L276 IsEmpty]: Start isEmpty. Operand 4001 states and 6113 transitions. [2024-11-07 01:36:30,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-07 01:36:30,952 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:36:30,952 INFO L215 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] [2024-11-07 01:36:30,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 01:36:30,953 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:36:30,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:36:30,953 INFO L85 PathProgramCache]: Analyzing trace with hash 15485707, now seen corresponding path program 1 times [2024-11-07 01:36:30,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:36:30,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781601021] [2024-11-07 01:36:30,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:36:30,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:36:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:36:31,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:36:31,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:36:31,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781601021] [2024-11-07 01:36:31,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781601021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:36:31,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:36:31,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 01:36:31,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304337049] [2024-11-07 01:36:31,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:36:31,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 01:36:31,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:36:31,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 01:36:31,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 01:36:31,014 INFO L87 Difference]: Start difference. First operand 4001 states and 6113 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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) [2024-11-07 01:36:31,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:36:31,118 INFO L93 Difference]: Finished difference Result 8645 states and 12867 transitions. [2024-11-07 01:36:31,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 01:36:31,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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 69 [2024-11-07 01:36:31,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:36:31,151 INFO L225 Difference]: With dead ends: 8645 [2024-11-07 01:36:31,151 INFO L226 Difference]: Without dead ends: 6195 [2024-11-07 01:36:31,157 INFO L431 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 [2024-11-07 01:36:31,158 INFO L432 NwaCegarLoop]: 1622 mSDtfsCounter, 1507 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1507 SdHoareTripleChecker+Valid, 1707 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 01:36:31,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1507 Valid, 1707 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 01:36:31,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6195 states. [2024-11-07 01:36:31,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6195 to 6193. [2024-11-07 01:36:31,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6193 states, 6191 states have (on average 1.4861896301082216) internal successors, (9201), 6192 states have internal predecessors, (9201), 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) [2024-11-07 01:36:31,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6193 states to 6193 states and 9201 transitions. [2024-11-07 01:36:31,341 INFO L78 Accepts]: Start accepts. Automaton has 6193 states and 9201 transitions. Word has length 69 [2024-11-07 01:36:31,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:36:31,341 INFO L471 AbstractCegarLoop]: Abstraction has 6193 states and 9201 transitions. [2024-11-07 01:36:31,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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) [2024-11-07 01:36:31,341 INFO L276 IsEmpty]: Start isEmpty. Operand 6193 states and 9201 transitions. [2024-11-07 01:36:31,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-07 01:36:31,342 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:36:31,342 INFO L215 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] [2024-11-07 01:36:31,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 01:36:31,342 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:36:31,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:36:31,343 INFO L85 PathProgramCache]: Analyzing trace with hash -2036636858, now seen corresponding path program 1 times [2024-11-07 01:36:31,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:36:31,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112520656] [2024-11-07 01:36:31,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:36:31,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:36:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:36:31,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:36:31,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:36:31,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112520656] [2024-11-07 01:36:31,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112520656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:36:31,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:36:31,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 01:36:31,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000159612] [2024-11-07 01:36:31,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:36:31,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 01:36:31,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:36:31,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 01:36:31,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 01:36:31,404 INFO L87 Difference]: Start difference. First operand 6193 states and 9201 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2024-11-07 01:36:31,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:36:31,527 INFO L93 Difference]: Finished difference Result 11064 states and 16311 transitions. [2024-11-07 01:36:31,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 01:36:31,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 71 [2024-11-07 01:36:31,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:36:31,551 INFO L225 Difference]: With dead ends: 11064 [2024-11-07 01:36:31,552 INFO L226 Difference]: Without dead ends: 8437 [2024-11-07 01:36:31,558 INFO L431 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 [2024-11-07 01:36:31,560 INFO L432 NwaCegarLoop]: 1627 mSDtfsCounter, 1506 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1506 SdHoareTripleChecker+Valid, 1708 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 01:36:31,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1506 Valid, 1708 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 01:36:31,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8437 states. [2024-11-07 01:36:31,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8437 to 8435. [2024-11-07 01:36:31,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8435 states, 8433 states have (on average 1.4669749792481916) internal successors, (12371), 8434 states have internal predecessors, (12371), 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) [2024-11-07 01:36:31,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8435 states to 8435 states and 12371 transitions. [2024-11-07 01:36:31,883 INFO L78 Accepts]: Start accepts. Automaton has 8435 states and 12371 transitions. Word has length 71 [2024-11-07 01:36:31,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:36:31,883 INFO L471 AbstractCegarLoop]: Abstraction has 8435 states and 12371 transitions. [2024-11-07 01:36:31,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2024-11-07 01:36:31,884 INFO L276 IsEmpty]: Start isEmpty. Operand 8435 states and 12371 transitions. [2024-11-07 01:36:31,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-07 01:36:31,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:36:31,885 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:36:31,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 01:36:31,887 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:36:31,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:36:31,887 INFO L85 PathProgramCache]: Analyzing trace with hash 672935197, now seen corresponding path program 1 times [2024-11-07 01:36:31,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:36:31,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617449662] [2024-11-07 01:36:31,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:36:31,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:36:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:36:31,966 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-07 01:36:31,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:36:31,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617449662] [2024-11-07 01:36:31,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617449662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:36:31,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:36:31,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 01:36:31,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708605773] [2024-11-07 01:36:31,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:36:31,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 01:36:31,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:36:31,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 01:36:31,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 01:36:31,968 INFO L87 Difference]: Start difference. First operand 8435 states and 12371 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 2 states have internal predecessors, (76), 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) [2024-11-07 01:36:35,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:36:35,042 INFO L93 Difference]: Finished difference Result 11441 states and 17298 transitions. [2024-11-07 01:36:35,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 01:36:35,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 2 states have internal predecessors, (76), 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 [2024-11-07 01:36:35,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:36:35,067 INFO L225 Difference]: With dead ends: 11441 [2024-11-07 01:36:35,067 INFO L226 Difference]: Without dead ends: 9937 [2024-11-07 01:36:35,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 01:36:35,074 INFO L432 NwaCegarLoop]: 594 mSDtfsCounter, 851 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2261 mSolverCounterSat, 652 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 851 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 2913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 652 IncrementalHoareTripleChecker+Valid, 2261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-07 01:36:35,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [851 Valid, 601 Invalid, 2913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [652 Valid, 2261 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-07 01:36:35,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9937 states. [2024-11-07 01:36:35,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9937 to 9937. [2024-11-07 01:36:35,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9937 states, 9935 states have (on average 1.4283844992450931) internal successors, (14191), 9936 states have internal predecessors, (14191), 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) [2024-11-07 01:36:35,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9937 states to 9937 states and 14191 transitions. [2024-11-07 01:36:35,296 INFO L78 Accepts]: Start accepts. Automaton has 9937 states and 14191 transitions. Word has length 78 [2024-11-07 01:36:35,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:36:35,297 INFO L471 AbstractCegarLoop]: Abstraction has 9937 states and 14191 transitions. [2024-11-07 01:36:35,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 2 states have internal predecessors, (76), 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) [2024-11-07 01:36:35,297 INFO L276 IsEmpty]: Start isEmpty. Operand 9937 states and 14191 transitions. [2024-11-07 01:36:35,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-07 01:36:35,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:36:35,298 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:36:35,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 01:36:35,299 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:36:35,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:36:35,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1821639251, now seen corresponding path program 1 times [2024-11-07 01:36:35,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:36:35,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967661555] [2024-11-07 01:36:35,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:36:35,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:36:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:36:35,373 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:36:35,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:36:35,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967661555] [2024-11-07 01:36:35,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967661555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:36:35,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:36:35,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 01:36:35,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421769977] [2024-11-07 01:36:35,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:36:35,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 01:36:35,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:36:35,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 01:36:35,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 01:36:35,375 INFO L87 Difference]: Start difference. First operand 9937 states and 14191 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 2 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) [2024-11-07 01:36:38,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:36:38,147 INFO L93 Difference]: Finished difference Result 15949 states and 22759 transitions. [2024-11-07 01:36:38,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 01:36:38,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 2 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 [2024-11-07 01:36:38,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:36:38,175 INFO L225 Difference]: With dead ends: 15949 [2024-11-07 01:36:38,175 INFO L226 Difference]: Without dead ends: 12943 [2024-11-07 01:36:38,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 01:36:38,184 INFO L432 NwaCegarLoop]: 702 mSDtfsCounter, 1041 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2380 mSolverCounterSat, 550 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1041 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 2930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 550 IncrementalHoareTripleChecker+Valid, 2380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-07 01:36:38,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1041 Valid, 709 Invalid, 2930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [550 Valid, 2380 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-07 01:36:38,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12943 states. [2024-11-07 01:36:38,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12943 to 12941. [2024-11-07 01:36:38,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12941 states, 12939 states have (on average 1.382796197542314) internal successors, (17892), 12940 states have internal predecessors, (17892), 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) [2024-11-07 01:36:38,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12941 states to 12941 states and 17892 transitions. [2024-11-07 01:36:38,428 INFO L78 Accepts]: Start accepts. Automaton has 12941 states and 17892 transitions. Word has length 82 [2024-11-07 01:36:38,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:36:38,429 INFO L471 AbstractCegarLoop]: Abstraction has 12941 states and 17892 transitions. [2024-11-07 01:36:38,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 2 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) [2024-11-07 01:36:38,429 INFO L276 IsEmpty]: Start isEmpty. Operand 12941 states and 17892 transitions. [2024-11-07 01:36:38,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-07 01:36:38,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:36:38,433 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:36:38,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 01:36:38,433 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:36:38,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:36:38,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1790597010, now seen corresponding path program 1 times [2024-11-07 01:36:38,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:36:38,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382477808] [2024-11-07 01:36:38,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:36:38,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:36:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:36:38,627 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-07 01:36:38,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:36:38,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382477808] [2024-11-07 01:36:38,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382477808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:36:38,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:36:38,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 01:36:38,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502406209] [2024-11-07 01:36:38,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:36:38,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 01:36:38,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:36:38,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 01:36:38,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 01:36:38,630 INFO L87 Difference]: Start difference. First operand 12941 states and 17892 transitions. Second operand has 8 states, 8 states have (on average 10.625) 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) [2024-11-07 01:36:39,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:36:39,377 INFO L93 Difference]: Finished difference Result 55675 states and 79019 transitions. [2024-11-07 01:36:39,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 01:36:39,378 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) 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 90 [2024-11-07 01:36:39,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:36:39,486 INFO L225 Difference]: With dead ends: 55675 [2024-11-07 01:36:39,486 INFO L226 Difference]: Without dead ends: 48793 [2024-11-07 01:36:39,516 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-07 01:36:39,517 INFO L432 NwaCegarLoop]: 1642 mSDtfsCounter, 8109 mSDsluCounter, 2226 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8109 SdHoareTripleChecker+Valid, 3868 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 01:36:39,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8109 Valid, 3868 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 01:36:39,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48793 states. [2024-11-07 01:36:40,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48793 to 19821. [2024-11-07 01:36:40,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19821 states, 19819 states have (on average 1.3952268025631969) internal successors, (27652), 19820 states have internal predecessors, (27652), 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) [2024-11-07 01:36:40,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19821 states to 19821 states and 27652 transitions. [2024-11-07 01:36:40,204 INFO L78 Accepts]: Start accepts. Automaton has 19821 states and 27652 transitions. Word has length 90 [2024-11-07 01:36:40,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:36:40,204 INFO L471 AbstractCegarLoop]: Abstraction has 19821 states and 27652 transitions. [2024-11-07 01:36:40,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) 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) [2024-11-07 01:36:40,205 INFO L276 IsEmpty]: Start isEmpty. Operand 19821 states and 27652 transitions. [2024-11-07 01:36:40,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-07 01:36:40,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:36:40,209 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:36:40,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 01:36:40,209 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:36:40,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:36:40,209 INFO L85 PathProgramCache]: Analyzing trace with hash -552334994, now seen corresponding path program 1 times [2024-11-07 01:36:40,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:36:40,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910603032] [2024-11-07 01:36:40,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:36:40,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:36:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:36:40,444 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 01:36:40,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:36:40,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910603032] [2024-11-07 01:36:40,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910603032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:36:40,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:36:40,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 01:36:40,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938752277] [2024-11-07 01:36:40,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:36:40,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 01:36:40,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:36:40,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 01:36:40,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 01:36:40,448 INFO L87 Difference]: Start difference. First operand 19821 states and 27652 transitions. Second operand has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 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) [2024-11-07 01:36:41,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:36:41,270 INFO L93 Difference]: Finished difference Result 62555 states and 88779 transitions. [2024-11-07 01:36:41,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 01:36:41,271 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 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 90 [2024-11-07 01:36:41,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:36:41,357 INFO L225 Difference]: With dead ends: 62555 [2024-11-07 01:36:41,357 INFO L226 Difference]: Without dead ends: 55673 [2024-11-07 01:36:41,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-07 01:36:41,386 INFO L432 NwaCegarLoop]: 1639 mSDtfsCounter, 8158 mSDsluCounter, 2154 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8158 SdHoareTripleChecker+Valid, 3793 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 01:36:41,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8158 Valid, 3793 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 01:36:41,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55673 states. [2024-11-07 01:36:42,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55673 to 30157. [2024-11-07 01:36:42,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30157 states, 30155 states have (on average 1.3998341900182392) internal successors, (42212), 30156 states have internal predecessors, (42212), 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) [2024-11-07 01:36:42,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30157 states to 30157 states and 42212 transitions. [2024-11-07 01:36:42,167 INFO L78 Accepts]: Start accepts. Automaton has 30157 states and 42212 transitions. Word has length 90 [2024-11-07 01:36:42,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:36:42,168 INFO L471 AbstractCegarLoop]: Abstraction has 30157 states and 42212 transitions. [2024-11-07 01:36:42,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 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) [2024-11-07 01:36:42,168 INFO L276 IsEmpty]: Start isEmpty. Operand 30157 states and 42212 transitions. [2024-11-07 01:36:42,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-07 01:36:42,172 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:36:42,172 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:36:42,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 01:36:42,172 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:36:42,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:36:42,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1527163502, now seen corresponding path program 1 times [2024-11-07 01:36:42,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:36:42,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746764780] [2024-11-07 01:36:42,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:36:42,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:36:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:36:42,447 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-07 01:36:42,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:36:42,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746764780] [2024-11-07 01:36:42,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746764780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:36:42,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:36:42,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 01:36:42,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542867187] [2024-11-07 01:36:42,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:36:42,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 01:36:42,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:36:42,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 01:36:42,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 01:36:42,448 INFO L87 Difference]: Start difference. First operand 30157 states and 42212 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 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) [2024-11-07 01:36:43,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:36:43,341 INFO L93 Difference]: Finished difference Result 69435 states and 98539 transitions. [2024-11-07 01:36:43,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 01:36:43,342 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 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 90 [2024-11-07 01:36:43,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:36:43,419 INFO L225 Difference]: With dead ends: 69435 [2024-11-07 01:36:43,419 INFO L226 Difference]: Without dead ends: 62553 [2024-11-07 01:36:43,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-07 01:36:43,447 INFO L432 NwaCegarLoop]: 1636 mSDtfsCounter, 8204 mSDsluCounter, 2182 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8204 SdHoareTripleChecker+Valid, 3818 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 01:36:43,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8204 Valid, 3818 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 01:36:43,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62553 states. [2024-11-07 01:36:44,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62553 to 37037. [2024-11-07 01:36:44,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37037 states, 37035 states have (on average 1.4033211826650467) internal successors, (51972), 37036 states have internal predecessors, (51972), 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) [2024-11-07 01:36:44,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37037 states to 37037 states and 51972 transitions. [2024-11-07 01:36:44,304 INFO L78 Accepts]: Start accepts. Automaton has 37037 states and 51972 transitions. Word has length 90 [2024-11-07 01:36:44,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:36:44,305 INFO L471 AbstractCegarLoop]: Abstraction has 37037 states and 51972 transitions. [2024-11-07 01:36:44,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 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) [2024-11-07 01:36:44,305 INFO L276 IsEmpty]: Start isEmpty. Operand 37037 states and 51972 transitions. [2024-11-07 01:36:44,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-07 01:36:44,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:36:44,309 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:36:44,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 01:36:44,309 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:36:44,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:36:44,310 INFO L85 PathProgramCache]: Analyzing trace with hash -986870930, now seen corresponding path program 1 times [2024-11-07 01:36:44,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:36:44,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194483852] [2024-11-07 01:36:44,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:36:44,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:36:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:36:44,478 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 01:36:44,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:36:44,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194483852] [2024-11-07 01:36:44,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194483852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:36:44,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:36:44,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 01:36:44,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030551137] [2024-11-07 01:36:44,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:36:44,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 01:36:44,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:36:44,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 01:36:44,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 01:36:44,481 INFO L87 Difference]: Start difference. First operand 37037 states and 51972 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 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) [2024-11-07 01:36:46,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:36:46,150 INFO L93 Difference]: Finished difference Result 76315 states and 108299 transitions. [2024-11-07 01:36:46,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 01:36:46,151 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 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 90 [2024-11-07 01:36:46,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:36:46,226 INFO L225 Difference]: With dead ends: 76315 [2024-11-07 01:36:46,226 INFO L226 Difference]: Without dead ends: 69433 [2024-11-07 01:36:46,240 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-07 01:36:46,241 INFO L432 NwaCegarLoop]: 1641 mSDtfsCounter, 8108 mSDsluCounter, 2270 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8108 SdHoareTripleChecker+Valid, 3911 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 01:36:46,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8108 Valid, 3911 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 01:36:46,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69433 states. [2024-11-07 01:36:47,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69433 to 43917. [2024-11-07 01:36:47,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43917 states, 43915 states have (on average 1.4057155869292952) internal successors, (61732), 43916 states have internal predecessors, (61732), 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) [2024-11-07 01:36:47,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43917 states to 43917 states and 61732 transitions. [2024-11-07 01:36:47,116 INFO L78 Accepts]: Start accepts. Automaton has 43917 states and 61732 transitions. Word has length 90 [2024-11-07 01:36:47,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:36:47,116 INFO L471 AbstractCegarLoop]: Abstraction has 43917 states and 61732 transitions. [2024-11-07 01:36:47,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 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) [2024-11-07 01:36:47,117 INFO L276 IsEmpty]: Start isEmpty. Operand 43917 states and 61732 transitions. [2024-11-07 01:36:47,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-07 01:36:47,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:36:47,122 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:36:47,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 01:36:47,122 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:36:47,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:36:47,123 INFO L85 PathProgramCache]: Analyzing trace with hash -2054453394, now seen corresponding path program 1 times [2024-11-07 01:36:47,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:36:47,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629855060] [2024-11-07 01:36:47,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:36:47,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:36:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:36:47,321 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 01:36:47,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:36:47,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629855060] [2024-11-07 01:36:47,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629855060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:36:47,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:36:47,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 01:36:47,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710501284] [2024-11-07 01:36:47,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:36:47,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 01:36:47,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:36:47,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 01:36:47,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 01:36:47,323 INFO L87 Difference]: Start difference. First operand 43917 states and 61732 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 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) [2024-11-07 01:36:48,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:36:48,893 INFO L93 Difference]: Finished difference Result 83195 states and 118059 transitions. [2024-11-07 01:36:48,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 01:36:48,893 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 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 90 [2024-11-07 01:36:48,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:36:48,978 INFO L225 Difference]: With dead ends: 83195 [2024-11-07 01:36:48,978 INFO L226 Difference]: Without dead ends: 76313 [2024-11-07 01:36:48,997 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-07 01:36:48,997 INFO L432 NwaCegarLoop]: 1642 mSDtfsCounter, 8048 mSDsluCounter, 2399 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8048 SdHoareTripleChecker+Valid, 4041 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 01:36:48,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8048 Valid, 4041 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 01:36:49,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76313 states. [2024-11-07 01:36:50,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76313 to 50797. [2024-11-07 01:36:50,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50797 states, 50795 states have (on average 1.4074613643075107) internal successors, (71492), 50796 states have internal predecessors, (71492), 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) [2024-11-07 01:36:50,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50797 states to 50797 states and 71492 transitions. [2024-11-07 01:36:50,464 INFO L78 Accepts]: Start accepts. Automaton has 50797 states and 71492 transitions. Word has length 90 [2024-11-07 01:36:50,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:36:50,464 INFO L471 AbstractCegarLoop]: Abstraction has 50797 states and 71492 transitions. [2024-11-07 01:36:50,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 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) [2024-11-07 01:36:50,464 INFO L276 IsEmpty]: Start isEmpty. Operand 50797 states and 71492 transitions. [2024-11-07 01:36:50,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-07 01:36:50,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:36:50,469 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:36:50,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 01:36:50,469 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:36:50,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:36:50,470 INFO L85 PathProgramCache]: Analyzing trace with hash 168958598, now seen corresponding path program 1 times [2024-11-07 01:36:50,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:36:50,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599168711] [2024-11-07 01:36:50,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:36:50,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:36:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:36:50,575 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:36:50,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:36:50,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599168711] [2024-11-07 01:36:50,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599168711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:36:50,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:36:50,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 01:36:50,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835586038] [2024-11-07 01:36:50,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:36:50,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 01:36:50,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:36:50,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 01:36:50,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 01:36:50,577 INFO L87 Difference]: Start difference. First operand 50797 states and 71492 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 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) [2024-11-07 01:36:51,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:36:51,327 INFO L93 Difference]: Finished difference Result 82439 states and 116861 transitions. [2024-11-07 01:36:51,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 01:36:51,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 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 92 [2024-11-07 01:36:51,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:36:51,378 INFO L225 Difference]: With dead ends: 82439 [2024-11-07 01:36:51,378 INFO L226 Difference]: Without dead ends: 37701 [2024-11-07 01:36:51,416 INFO L431 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 [2024-11-07 01:36:51,417 INFO L432 NwaCegarLoop]: 1613 mSDtfsCounter, 58 mSDsluCounter, 1550 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 3163 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 01:36:51,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 3163 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 01:36:51,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37701 states. [2024-11-07 01:36:52,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37701 to 37699. [2024-11-07 01:36:52,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37699 states, 37697 states have (on average 1.4055760405337294) internal successors, (52986), 37698 states have internal predecessors, (52986), 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) [2024-11-07 01:36:52,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37699 states to 37699 states and 52986 transitions. [2024-11-07 01:36:52,353 INFO L78 Accepts]: Start accepts. Automaton has 37699 states and 52986 transitions. Word has length 92 [2024-11-07 01:36:52,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:36:52,354 INFO L471 AbstractCegarLoop]: Abstraction has 37699 states and 52986 transitions. [2024-11-07 01:36:52,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 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) [2024-11-07 01:36:52,354 INFO L276 IsEmpty]: Start isEmpty. Operand 37699 states and 52986 transitions. [2024-11-07 01:36:52,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-07 01:36:52,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:36:52,355 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:36:52,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 01:36:52,356 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:36:52,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:36:52,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1616712425, now seen corresponding path program 1 times [2024-11-07 01:36:52,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:36:52,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001396482] [2024-11-07 01:36:52,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:36:52,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:36:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:36:52,512 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-07 01:36:52,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:36:52,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001396482] [2024-11-07 01:36:52,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001396482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:36:52,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:36:52,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 01:36:52,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712366263] [2024-11-07 01:36:52,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:36:52,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 01:36:52,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:36:52,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 01:36:52,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 01:36:52,515 INFO L87 Difference]: Start difference. First operand 37699 states and 52986 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 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) [2024-11-07 01:36:53,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:36:53,929 INFO L93 Difference]: Finished difference Result 66897 states and 94849 transitions. [2024-11-07 01:36:53,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 01:36:53,929 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 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 92 [2024-11-07 01:36:53,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:36:53,998 INFO L225 Difference]: With dead ends: 66897 [2024-11-07 01:36:53,999 INFO L226 Difference]: Without dead ends: 62031 [2024-11-07 01:36:54,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-07 01:36:54,011 INFO L432 NwaCegarLoop]: 1633 mSDtfsCounter, 8058 mSDsluCounter, 2351 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8058 SdHoareTripleChecker+Valid, 3984 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 01:36:54,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8058 Valid, 3984 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 01:36:54,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62031 states. [2024-11-07 01:36:55,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62031 to 42563. [2024-11-07 01:36:55,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42563 states, 42561 states have (on average 1.4073447522379643) internal successors, (59898), 42562 states have internal predecessors, (59898), 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) [2024-11-07 01:36:55,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42563 states to 42563 states and 59898 transitions. [2024-11-07 01:36:55,223 INFO L78 Accepts]: Start accepts. Automaton has 42563 states and 59898 transitions. Word has length 92 [2024-11-07 01:36:55,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:36:55,223 INFO L471 AbstractCegarLoop]: Abstraction has 42563 states and 59898 transitions. [2024-11-07 01:36:55,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 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) [2024-11-07 01:36:55,224 INFO L276 IsEmpty]: Start isEmpty. Operand 42563 states and 59898 transitions. [2024-11-07 01:36:55,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-07 01:36:55,226 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:36:55,226 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:36:55,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 01:36:55,227 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:36:55,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:36:55,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1117757048, now seen corresponding path program 1 times [2024-11-07 01:36:55,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:36:55,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771882305] [2024-11-07 01:36:55,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:36:55,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:36:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:36:55,350 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:36:55,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:36:55,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771882305] [2024-11-07 01:36:55,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771882305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:36:55,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:36:55,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 01:36:55,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316627104] [2024-11-07 01:36:55,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:36:55,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 01:36:55,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:36:55,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 01:36:55,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 01:36:55,353 INFO L87 Difference]: Start difference. First operand 42563 states and 59898 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2024-11-07 01:36:56,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:36:56,016 INFO L93 Difference]: Finished difference Result 60807 states and 85820 transitions. [2024-11-07 01:36:56,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 01:36:56,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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 93 [2024-11-07 01:36:56,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:36:56,046 INFO L225 Difference]: With dead ends: 60807 [2024-11-07 01:36:56,046 INFO L226 Difference]: Without dead ends: 24325 [2024-11-07 01:36:56,076 INFO L431 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 [2024-11-07 01:36:56,077 INFO L432 NwaCegarLoop]: 1606 mSDtfsCounter, 53 mSDsluCounter, 1542 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 3148 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 01:36:56,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 3148 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 01:36:56,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24325 states. [2024-11-07 01:36:56,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24325 to 24323. [2024-11-07 01:36:56,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24323 states, 24321 states have (on average 1.3871962501541877) internal successors, (33738), 24322 states have internal predecessors, (33738), 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) [2024-11-07 01:36:56,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24323 states to 24323 states and 33738 transitions. [2024-11-07 01:36:56,782 INFO L78 Accepts]: Start accepts. Automaton has 24323 states and 33738 transitions. Word has length 93 [2024-11-07 01:36:56,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:36:56,782 INFO L471 AbstractCegarLoop]: Abstraction has 24323 states and 33738 transitions. [2024-11-07 01:36:56,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2024-11-07 01:36:56,782 INFO L276 IsEmpty]: Start isEmpty. Operand 24323 states and 33738 transitions. [2024-11-07 01:36:56,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-07 01:36:56,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:36:56,784 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:36:56,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-07 01:36:56,784 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:36:56,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:36:56,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1320571018, now seen corresponding path program 1 times [2024-11-07 01:36:56,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:36:56,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808669677] [2024-11-07 01:36:56,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:36:56,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:36:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:36:56,868 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:36:56,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:36:56,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808669677] [2024-11-07 01:36:56,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808669677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:36:56,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:36:56,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 01:36:56,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029036261] [2024-11-07 01:36:56,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:36:56,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 01:36:56,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:36:56,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 01:36:56,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 01:36:56,870 INFO L87 Difference]: Start difference. First operand 24323 states and 33738 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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) [2024-11-07 01:36:57,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:36:57,123 INFO L93 Difference]: Finished difference Result 33447 states and 46580 transitions. [2024-11-07 01:36:57,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 01:36:57,124 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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 95 [2024-11-07 01:36:57,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:36:57,141 INFO L225 Difference]: With dead ends: 33447 [2024-11-07 01:36:57,141 INFO L226 Difference]: Without dead ends: 15205 [2024-11-07 01:36:57,153 INFO L431 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 [2024-11-07 01:36:57,154 INFO L432 NwaCegarLoop]: 1599 mSDtfsCounter, 50 mSDsluCounter, 1534 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 3133 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 01:36:57,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 3133 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 01:36:57,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15205 states. [2024-11-07 01:36:57,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15205 to 15203. [2024-11-07 01:36:57,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15203 states, 15201 states have (on average 1.3668837576475232) internal successors, (20778), 15202 states have internal predecessors, (20778), 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) [2024-11-07 01:36:57,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15203 states to 15203 states and 20778 transitions. [2024-11-07 01:36:57,381 INFO L78 Accepts]: Start accepts. Automaton has 15203 states and 20778 transitions. Word has length 95 [2024-11-07 01:36:57,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:36:57,382 INFO L471 AbstractCegarLoop]: Abstraction has 15203 states and 20778 transitions. [2024-11-07 01:36:57,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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) [2024-11-07 01:36:57,382 INFO L276 IsEmpty]: Start isEmpty. Operand 15203 states and 20778 transitions. [2024-11-07 01:36:57,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-07 01:36:57,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:36:57,383 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:36:57,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-07 01:36:57,384 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:36:57,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:36:57,384 INFO L85 PathProgramCache]: Analyzing trace with hash -969080548, now seen corresponding path program 1 times [2024-11-07 01:36:57,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:36:57,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899289982] [2024-11-07 01:36:57,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:36:57,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:36:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:36:57,459 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:36:57,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:36:57,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899289982] [2024-11-07 01:36:57,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899289982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:36:57,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:36:57,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 01:36:57,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715604152] [2024-11-07 01:36:57,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:36:57,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 01:36:57,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:36:57,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 01:36:57,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 01:36:57,462 INFO L87 Difference]: Start difference. First operand 15203 states and 20778 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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) [2024-11-07 01:36:57,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:36:57,594 INFO L93 Difference]: Finished difference Result 19767 states and 27140 transitions. [2024-11-07 01:36:57,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 01:36:57,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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 97 [2024-11-07 01:36:57,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:36:57,606 INFO L225 Difference]: With dead ends: 19767 [2024-11-07 01:36:57,606 INFO L226 Difference]: Without dead ends: 10645 [2024-11-07 01:36:57,614 INFO L431 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 [2024-11-07 01:36:57,615 INFO L432 NwaCegarLoop]: 1592 mSDtfsCounter, 47 mSDsluCounter, 1526 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 3118 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 01:36:57,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 3118 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 01:36:57,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10645 states. [2024-11-07 01:36:57,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10645 to 10643. [2024-11-07 01:36:57,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10643 states, 10641 states have (on average 1.3493092754440372) internal successors, (14358), 10642 states have internal predecessors, (14358), 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) [2024-11-07 01:36:57,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10643 states to 10643 states and 14358 transitions. [2024-11-07 01:36:57,750 INFO L78 Accepts]: Start accepts. Automaton has 10643 states and 14358 transitions. Word has length 97 [2024-11-07 01:36:57,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:36:57,750 INFO L471 AbstractCegarLoop]: Abstraction has 10643 states and 14358 transitions. [2024-11-07 01:36:57,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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) [2024-11-07 01:36:57,750 INFO L276 IsEmpty]: Start isEmpty. Operand 10643 states and 14358 transitions. [2024-11-07 01:36:57,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-07 01:36:57,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:36:57,751 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:36:57,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-07 01:36:57,751 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:36:57,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:36:57,752 INFO L85 PathProgramCache]: Analyzing trace with hash -83832786, now seen corresponding path program 1 times [2024-11-07 01:36:57,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:36:57,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136628279] [2024-11-07 01:36:57,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:36:57,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:36:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:36:57,832 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:36:57,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:36:57,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136628279] [2024-11-07 01:36:57,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136628279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:36:57,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:36:57,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 01:36:57,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650396807] [2024-11-07 01:36:57,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:36:57,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 01:36:57,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:36:57,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 01:36:57,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 01:36:57,834 INFO L87 Difference]: Start difference. First operand 10643 states and 14358 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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) [2024-11-07 01:36:57,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:36:57,903 INFO L93 Difference]: Finished difference Result 12927 states and 17510 transitions. [2024-11-07 01:36:57,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 01:36:57,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 99 [2024-11-07 01:36:57,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:36:57,912 INFO L225 Difference]: With dead ends: 12927 [2024-11-07 01:36:57,912 INFO L226 Difference]: Without dead ends: 8365 [2024-11-07 01:36:57,916 INFO L431 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 [2024-11-07 01:36:57,917 INFO L432 NwaCegarLoop]: 1585 mSDtfsCounter, 44 mSDsluCounter, 1518 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 3103 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 01:36:57,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 3103 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 01:36:57,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8365 states. [2024-11-07 01:36:57,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8365 to 8363. [2024-11-07 01:36:57,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8363 states, 8361 states have (on average 1.3369214208826696) internal successors, (11178), 8362 states have internal predecessors, (11178), 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) [2024-11-07 01:36:58,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8363 states to 8363 states and 11178 transitions. [2024-11-07 01:36:58,004 INFO L78 Accepts]: Start accepts. Automaton has 8363 states and 11178 transitions. Word has length 99 [2024-11-07 01:36:58,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:36:58,004 INFO L471 AbstractCegarLoop]: Abstraction has 8363 states and 11178 transitions. [2024-11-07 01:36:58,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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) [2024-11-07 01:36:58,004 INFO L276 IsEmpty]: Start isEmpty. Operand 8363 states and 11178 transitions. [2024-11-07 01:36:58,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-07 01:36:58,005 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:36:58,005 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:36:58,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-07 01:36:58,005 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:36:58,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:36:58,006 INFO L85 PathProgramCache]: Analyzing trace with hash -709435968, now seen corresponding path program 1 times [2024-11-07 01:36:58,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:36:58,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767181878] [2024-11-07 01:36:58,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:36:58,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:36:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:36:58,079 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:36:58,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:36:58,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767181878] [2024-11-07 01:36:58,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767181878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:36:58,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:36:58,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 01:36:58,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932798792] [2024-11-07 01:36:58,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:36:58,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 01:36:58,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:36:58,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 01:36:58,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 01:36:58,081 INFO L87 Difference]: Start difference. First operand 8363 states and 11178 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 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) [2024-11-07 01:36:58,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:36:58,140 INFO L93 Difference]: Finished difference Result 9507 states and 12740 transitions. [2024-11-07 01:36:58,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 01:36:58,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 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 101 [2024-11-07 01:36:58,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:36:58,152 INFO L225 Difference]: With dead ends: 9507 [2024-11-07 01:36:58,152 INFO L226 Difference]: Without dead ends: 7225 [2024-11-07 01:36:58,156 INFO L431 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 [2024-11-07 01:36:58,156 INFO L432 NwaCegarLoop]: 1578 mSDtfsCounter, 41 mSDsluCounter, 1510 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 3088 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 01:36:58,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 3088 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 01:36:58,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7225 states. [2024-11-07 01:36:58,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7225 to 7223. [2024-11-07 01:36:58,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7223 states, 7221 states have (on average 1.3298712089738263) internal successors, (9603), 7222 states have internal predecessors, (9603), 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) [2024-11-07 01:36:58,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7223 states to 7223 states and 9603 transitions. [2024-11-07 01:36:58,258 INFO L78 Accepts]: Start accepts. Automaton has 7223 states and 9603 transitions. Word has length 101 [2024-11-07 01:36:58,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:36:58,259 INFO L471 AbstractCegarLoop]: Abstraction has 7223 states and 9603 transitions. [2024-11-07 01:36:58,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 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) [2024-11-07 01:36:58,259 INFO L276 IsEmpty]: Start isEmpty. Operand 7223 states and 9603 transitions. [2024-11-07 01:36:58,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-07 01:36:58,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:36:58,261 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:36:58,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-07 01:36:58,261 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:36:58,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:36:58,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1744587218, now seen corresponding path program 1 times [2024-11-07 01:36:58,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:36:58,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899171601] [2024-11-07 01:36:58,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:36:58,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:36:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:36:59,109 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:36:59,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:36:59,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899171601] [2024-11-07 01:36:59,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899171601] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 01:36:59,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109936300] [2024-11-07 01:36:59,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:36:59,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 01:36:59,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 01:36:59,114 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 01:36:59,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 01:36:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:36:59,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 01:36:59,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 01:36:59,599 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-07 01:36:59,600 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 01:36:59,917 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-07 01:36:59,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109936300] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 01:36:59,917 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 01:36:59,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 4] total 19 [2024-11-07 01:36:59,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650251573] [2024-11-07 01:36:59,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 01:36:59,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-07 01:36:59,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:36:59,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-07 01:36:59,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2024-11-07 01:36:59,919 INFO L87 Difference]: Start difference. First operand 7223 states and 9603 transitions. Second operand has 19 states, 19 states have (on average 15.368421052631579) internal successors, (292), 19 states have internal predecessors, (292), 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) [2024-11-07 01:37:02,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:37:02,672 INFO L93 Difference]: Finished difference Result 16054 states and 21545 transitions. [2024-11-07 01:37:02,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-11-07 01:37:02,672 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 15.368421052631579) internal successors, (292), 19 states have internal predecessors, (292), 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 [2024-11-07 01:37:02,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:37:02,696 INFO L225 Difference]: With dead ends: 16054 [2024-11-07 01:37:02,696 INFO L226 Difference]: Without dead ends: 14912 [2024-11-07 01:37:02,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1292 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=774, Invalid=3516, Unknown=0, NotChecked=0, Total=4290 [2024-11-07 01:37:02,705 INFO L432 NwaCegarLoop]: 1535 mSDtfsCounter, 15985 mSDsluCounter, 7962 mSDsCounter, 0 mSdLazyCounter, 893 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15985 SdHoareTripleChecker+Valid, 9497 SdHoareTripleChecker+Invalid, 950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 01:37:02,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15985 Valid, 9497 Invalid, 950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 893 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 01:37:02,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14912 states. [2024-11-07 01:37:03,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14912 to 14860. [2024-11-07 01:37:03,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14860 states, 14858 states have (on average 1.3132319289271772) internal successors, (19512), 14859 states have internal predecessors, (19512), 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) [2024-11-07 01:37:03,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14860 states to 14860 states and 19512 transitions. [2024-11-07 01:37:03,090 INFO L78 Accepts]: Start accepts. Automaton has 14860 states and 19512 transitions. Word has length 103 [2024-11-07 01:37:03,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:37:03,090 INFO L471 AbstractCegarLoop]: Abstraction has 14860 states and 19512 transitions. [2024-11-07 01:37:03,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 15.368421052631579) internal successors, (292), 19 states have internal predecessors, (292), 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) [2024-11-07 01:37:03,090 INFO L276 IsEmpty]: Start isEmpty. Operand 14860 states and 19512 transitions. [2024-11-07 01:37:03,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-07 01:37:03,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:37:03,092 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:37:03,111 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 01:37:03,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-07 01:37:03,293 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:37:03,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:37:03,293 INFO L85 PathProgramCache]: Analyzing trace with hash -520471001, now seen corresponding path program 1 times [2024-11-07 01:37:03,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:37:03,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442146745] [2024-11-07 01:37:03,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:37:03,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:37:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:37:04,216 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:37:04,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:37:04,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442146745] [2024-11-07 01:37:04,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442146745] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 01:37:04,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698817414] [2024-11-07 01:37:04,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:37:04,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 01:37:04,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 01:37:04,219 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 01:37:04,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 01:37:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:37:04,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-07 01:37:04,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 01:37:05,002 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:37:05,003 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 01:37:06,148 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:37:06,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1698817414] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 01:37:06,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 01:37:06,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 31 [2024-11-07 01:37:06,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992745034] [2024-11-07 01:37:06,149 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 01:37:06,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-07 01:37:06,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:37:06,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-07 01:37:06,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=868, Unknown=0, NotChecked=0, Total=992 [2024-11-07 01:37:06,151 INFO L87 Difference]: Start difference. First operand 14860 states and 19512 transitions. Second operand has 32 states, 32 states have (on average 8.125) internal successors, (260), 31 states have internal predecessors, (260), 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) [2024-11-07 01:37:09,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:37:09,006 INFO L93 Difference]: Finished difference Result 41178 states and 53945 transitions. [2024-11-07 01:37:09,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-07 01:37:09,006 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 8.125) internal successors, (260), 31 states have internal predecessors, (260), 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 104 [2024-11-07 01:37:09,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:37:09,053 INFO L225 Difference]: With dead ends: 41178 [2024-11-07 01:37:09,053 INFO L226 Difference]: Without dead ends: 32465 [2024-11-07 01:37:09,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 947 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=950, Invalid=3606, Unknown=0, NotChecked=0, Total=4556 [2024-11-07 01:37:09,074 INFO L432 NwaCegarLoop]: 1520 mSDtfsCounter, 20255 mSDsluCounter, 5369 mSDsCounter, 0 mSdLazyCounter, 1249 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20255 SdHoareTripleChecker+Valid, 6889 SdHoareTripleChecker+Invalid, 1290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 01:37:09,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20255 Valid, 6889 Invalid, 1290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1249 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 01:37:09,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32465 states. [2024-11-07 01:37:09,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32465 to 31963. [2024-11-07 01:37:09,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31963 states, 31961 states have (on average 1.297769156159069) internal successors, (41478), 31962 states have internal predecessors, (41478), 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) [2024-11-07 01:37:09,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31963 states to 31963 states and 41478 transitions. [2024-11-07 01:37:09,737 INFO L78 Accepts]: Start accepts. Automaton has 31963 states and 41478 transitions. Word has length 104 [2024-11-07 01:37:09,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:37:09,737 INFO L471 AbstractCegarLoop]: Abstraction has 31963 states and 41478 transitions. [2024-11-07 01:37:09,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 8.125) internal successors, (260), 31 states have internal predecessors, (260), 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) [2024-11-07 01:37:09,738 INFO L276 IsEmpty]: Start isEmpty. Operand 31963 states and 41478 transitions. [2024-11-07 01:37:09,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-07 01:37:09,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:37:09,739 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:37:09,752 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 01:37:09,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-07 01:37:09,940 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:37:09,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:37:09,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1322202215, now seen corresponding path program 1 times [2024-11-07 01:37:09,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:37:09,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918539789] [2024-11-07 01:37:09,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:37:09,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:37:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:37:10,243 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:37:10,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:37:10,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918539789] [2024-11-07 01:37:10,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918539789] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 01:37:10,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690562498] [2024-11-07 01:37:10,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:37:10,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 01:37:10,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 01:37:10,247 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 01:37:10,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 01:37:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:37:10,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 01:37:10,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 01:37:10,846 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:37:10,846 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 01:37:11,782 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:37:11,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690562498] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 01:37:11,782 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 01:37:11,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2024-11-07 01:37:11,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734748089] [2024-11-07 01:37:11,783 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 01:37:11,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-07 01:37:11,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:37:11,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-07 01:37:11,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2024-11-07 01:37:11,784 INFO L87 Difference]: Start difference. First operand 31963 states and 41478 transitions. Second operand has 23 states, 23 states have (on average 11.217391304347826) internal successors, (258), 22 states have internal predecessors, (258), 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) [2024-11-07 01:37:12,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:37:12,994 INFO L93 Difference]: Finished difference Result 57337 states and 74314 transitions. [2024-11-07 01:37:12,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 01:37:12,994 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 11.217391304347826) internal successors, (258), 22 states have internal predecessors, (258), 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 104 [2024-11-07 01:37:12,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:37:13,037 INFO L225 Difference]: With dead ends: 57337 [2024-11-07 01:37:13,037 INFO L226 Difference]: Without dead ends: 32753 [2024-11-07 01:37:13,060 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=269, Invalid=787, Unknown=0, NotChecked=0, Total=1056 [2024-11-07 01:37:13,061 INFO L432 NwaCegarLoop]: 1531 mSDtfsCounter, 9276 mSDsluCounter, 4875 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9276 SdHoareTripleChecker+Valid, 6406 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 01:37:13,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9276 Valid, 6406 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 01:37:13,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32753 states.