./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c.v+nlh-reducer.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/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c.v+nlh-reducer.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', 'ccd47f3526eef69b5bf2f51fee8d66c64e4c81e1dda46c7d333fbe79bb4350dd'] 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/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c.v+nlh-reducer.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 ccd47f3526eef69b5bf2f51fee8d66c64e4c81e1dda46c7d333fbe79bb4350dd --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 00:26:02,300 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 00:26:02,386 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 00:26:02,391 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 00:26:02,392 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 00:26:02,417 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 00:26:02,419 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 00:26:02,419 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 00:26:02,420 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 00:26:02,420 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 00:26:02,420 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 00:26:02,420 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 00:26:02,420 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 00:26:02,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 00:26:02,421 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 00:26:02,421 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 00:26:02,421 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 00:26:02,421 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 00:26:02,421 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 00:26:02,422 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 00:26:02,422 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 00:26:02,422 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 00:26:02,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 00:26:02,422 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 00:26:02,422 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 00:26:02,422 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 00:26:02,422 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 00:26:02,423 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 00:26:02,423 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 00:26:02,423 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 00:26:02,423 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 00:26:02,423 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 00:26:02,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 00:26:02,423 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 00:26:02,423 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 00:26:02,423 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 00:26:02,424 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 00:26:02,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 00:26:02,424 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 00:26:02,424 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 00:26:02,424 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 00:26:02,424 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 00:26:02,424 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 -> ccd47f3526eef69b5bf2f51fee8d66c64e4c81e1dda46c7d333fbe79bb4350dd [2024-11-07 00:26:02,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 00:26:02,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 00:26:02,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 00:26:02,651 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 00:26:02,651 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 00:26:02,652 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2024-11-07 00:26:03,878 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 00:26:04,068 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 00:26:04,068 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2024-11-07 00:26:04,077 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ea5d7cc0b/8da36c9cbcd64f038431550ef8efa840/FLAG1e8c83b52 [2024-11-07 00:26:04,097 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ea5d7cc0b/8da36c9cbcd64f038431550ef8efa840 [2024-11-07 00:26:04,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 00:26:04,101 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 00:26:04,102 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 00:26:04,102 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 00:26:04,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 00:26:04,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:26:04" (1/1) ... [2024-11-07 00:26:04,108 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49db8df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:26:04, skipping insertion in model container [2024-11-07 00:26:04,108 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:26:04" (1/1) ... [2024-11-07 00:26:04,145 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 00:26:04,337 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/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c[8609,8622] [2024-11-07 00:26:04,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 00:26:04,394 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 00:26:04,431 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/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c[8609,8622] [2024-11-07 00:26:04,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 00:26:04,486 INFO L204 MainTranslator]: Completed translation [2024-11-07 00:26:04,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:26:04 WrapperNode [2024-11-07 00:26:04,487 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 00:26:04,488 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 00:26:04,488 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 00:26:04,488 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 00:26:04,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:26:04" (1/1) ... [2024-11-07 00:26:04,511 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:26:04" (1/1) ... [2024-11-07 00:26:04,561 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 881 [2024-11-07 00:26:04,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 00:26:04,562 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 00:26:04,562 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 00:26:04,563 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 00:26:04,570 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:26:04" (1/1) ... [2024-11-07 00:26:04,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:26:04" (1/1) ... [2024-11-07 00:26:04,579 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:26:04" (1/1) ... [2024-11-07 00:26:04,605 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 00:26:04,609 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:26:04" (1/1) ... [2024-11-07 00:26:04,609 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:26:04" (1/1) ... [2024-11-07 00:26:04,620 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:26:04" (1/1) ... [2024-11-07 00:26:04,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:26:04" (1/1) ... [2024-11-07 00:26:04,643 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:26:04" (1/1) ... [2024-11-07 00:26:04,645 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:26:04" (1/1) ... [2024-11-07 00:26:04,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 00:26:04,653 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 00:26:04,655 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 00:26:04,655 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 00:26:04,661 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:26:04" (1/1) ... [2024-11-07 00:26:04,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 00:26:04,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:26:04,690 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 00:26:04,695 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 00:26:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 00:26:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 00:26:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 00:26:04,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 00:26:04,822 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 00:26:04,823 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 00:26:05,427 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2024-11-07 00:26:05,427 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 00:26:05,443 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 00:26:05,446 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 00:26:05,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:26:05 BoogieIcfgContainer [2024-11-07 00:26:05,446 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 00:26:05,448 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 00:26:05,448 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 00:26:05,453 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 00:26:05,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:26:04" (1/3) ... [2024-11-07 00:26:05,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cec59e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:26:05, skipping insertion in model container [2024-11-07 00:26:05,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:26:04" (2/3) ... [2024-11-07 00:26:05,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cec59e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:26:05, skipping insertion in model container [2024-11-07 00:26:05,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:26:05" (3/3) ... [2024-11-07 00:26:05,456 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2024-11-07 00:26:05,468 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 00:26:05,469 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 00:26:05,539 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 00:26:05,549 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;@51753662, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 00:26:05,550 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 00:26:05,556 INFO L276 IsEmpty]: Start isEmpty. Operand has 216 states, 214 states have (on average 1.719626168224299) internal successors, (368), 215 states have internal predecessors, (368), 0 states have call successors, (0), 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 00:26:05,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-07 00:26:05,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:05,564 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:05,564 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:26:05,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:05,568 INFO L85 PathProgramCache]: Analyzing trace with hash -981857485, now seen corresponding path program 1 times [2024-11-07 00:26:05,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:05,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443823452] [2024-11-07 00:26:05,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:05,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:06,173 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 00:26:06,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:06,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443823452] [2024-11-07 00:26:06,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443823452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:06,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:06,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 00:26:06,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223806646] [2024-11-07 00:26:06,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:06,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 00:26:06,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:06,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 00:26:06,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:26:06,197 INFO L87 Difference]: Start difference. First operand has 216 states, 214 states have (on average 1.719626168224299) internal successors, (368), 215 states have internal predecessors, (368), 0 states have call successors, (0), 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 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 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 00:26:06,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:06,456 INFO L93 Difference]: Finished difference Result 868 states and 1404 transitions. [2024-11-07 00:26:06,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 00:26:06,458 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-07 00:26:06,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:06,472 INFO L225 Difference]: With dead ends: 868 [2024-11-07 00:26:06,474 INFO L226 Difference]: Without dead ends: 748 [2024-11-07 00:26:06,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-11-07 00:26:06,481 INFO L432 NwaCegarLoop]: 371 mSDtfsCounter, 2252 mSDsluCounter, 1970 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2252 SdHoareTripleChecker+Valid, 2341 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:06,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2252 Valid, 2341 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:26:06,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2024-11-07 00:26:06,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 329. [2024-11-07 00:26:06,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 328 states have (on average 1.5) internal successors, (492), 328 states have internal predecessors, (492), 0 states have call successors, (0), 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 00:26:06,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 492 transitions. [2024-11-07 00:26:06,544 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 492 transitions. Word has length 81 [2024-11-07 00:26:06,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:06,544 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 492 transitions. [2024-11-07 00:26:06,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 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 00:26:06,545 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 492 transitions. [2024-11-07 00:26:06,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-07 00:26:06,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:06,546 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:06,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 00:26:06,547 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:26:06,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:06,549 INFO L85 PathProgramCache]: Analyzing trace with hash -651776507, now seen corresponding path program 1 times [2024-11-07 00:26:06,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:06,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052892770] [2024-11-07 00:26:06,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:06,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:06,879 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 00:26:06,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:06,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052892770] [2024-11-07 00:26:06,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052892770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:06,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:06,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 00:26:06,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665168762] [2024-11-07 00:26:06,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:06,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 00:26:06,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:06,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 00:26:06,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:26:06,884 INFO L87 Difference]: Start difference. First operand 329 states and 492 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 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 00:26:07,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:07,102 INFO L93 Difference]: Finished difference Result 1425 states and 2199 transitions. [2024-11-07 00:26:07,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 00:26:07,105 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 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 00:26:07,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:07,111 INFO L225 Difference]: With dead ends: 1425 [2024-11-07 00:26:07,111 INFO L226 Difference]: Without dead ends: 1177 [2024-11-07 00:26:07,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:26:07,115 INFO L432 NwaCegarLoop]: 873 mSDtfsCounter, 1056 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1056 SdHoareTripleChecker+Valid, 1941 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:07,115 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1056 Valid, 1941 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 00:26:07,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2024-11-07 00:26:07,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1169. [2024-11-07 00:26:07,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1169 states, 1168 states have (on average 1.538527397260274) internal successors, (1797), 1168 states have internal predecessors, (1797), 0 states have call successors, (0), 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 00:26:07,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1797 transitions. [2024-11-07 00:26:07,168 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1797 transitions. Word has length 82 [2024-11-07 00:26:07,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:07,169 INFO L471 AbstractCegarLoop]: Abstraction has 1169 states and 1797 transitions. [2024-11-07 00:26:07,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 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 00:26:07,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1797 transitions. [2024-11-07 00:26:07,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-07 00:26:07,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:07,175 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:07,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 00:26:07,175 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:26:07,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:07,176 INFO L85 PathProgramCache]: Analyzing trace with hash 994859382, now seen corresponding path program 1 times [2024-11-07 00:26:07,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:07,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690808192] [2024-11-07 00:26:07,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:07,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:07,321 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 00:26:07,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:07,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690808192] [2024-11-07 00:26:07,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690808192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:07,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:07,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:26:07,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635434211] [2024-11-07 00:26:07,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:07,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:26:07,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:07,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:26:07,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:26:07,323 INFO L87 Difference]: Start difference. First operand 1169 states and 1797 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 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 00:26:07,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:07,590 INFO L93 Difference]: Finished difference Result 3226 states and 5017 transitions. [2024-11-07 00:26:07,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:26:07,591 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-07 00:26:07,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:07,598 INFO L225 Difference]: With dead ends: 3226 [2024-11-07 00:26:07,598 INFO L226 Difference]: Without dead ends: 2100 [2024-11-07 00:26:07,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:26:07,601 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 1231 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1231 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:07,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1231 Valid, 290 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 00:26:07,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2024-11-07 00:26:07,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 2098. [2024-11-07 00:26:07,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2098 states, 2097 states have (on average 1.547925608011445) internal successors, (3246), 2097 states have internal predecessors, (3246), 0 states have call successors, (0), 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 00:26:07,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 2098 states and 3246 transitions. [2024-11-07 00:26:07,642 INFO L78 Accepts]: Start accepts. Automaton has 2098 states and 3246 transitions. Word has length 83 [2024-11-07 00:26:07,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:07,642 INFO L471 AbstractCegarLoop]: Abstraction has 2098 states and 3246 transitions. [2024-11-07 00:26:07,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 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 00:26:07,643 INFO L276 IsEmpty]: Start isEmpty. Operand 2098 states and 3246 transitions. [2024-11-07 00:26:07,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-07 00:26:07,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:07,646 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:07,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 00:26:07,646 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:26:07,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:07,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1568078791, now seen corresponding path program 1 times [2024-11-07 00:26:07,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:07,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972630158] [2024-11-07 00:26:07,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:07,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:07,786 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 00:26:07,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:07,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972630158] [2024-11-07 00:26:07,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972630158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:07,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:07,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:26:07,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731515617] [2024-11-07 00:26:07,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:07,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:26:07,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:07,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:26:07,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:26:07,789 INFO L87 Difference]: Start difference. First operand 2098 states and 3246 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 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 00:26:08,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:08,017 INFO L93 Difference]: Finished difference Result 5896 states and 9184 transitions. [2024-11-07 00:26:08,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:26:08,018 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-07 00:26:08,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:08,058 INFO L225 Difference]: With dead ends: 5896 [2024-11-07 00:26:08,059 INFO L226 Difference]: Without dead ends: 3857 [2024-11-07 00:26:08,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:26:08,064 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 1191 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1191 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:08,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1191 Valid, 294 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 00:26:08,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3857 states. [2024-11-07 00:26:08,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3857 to 3855. [2024-11-07 00:26:08,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3855 states, 3854 states have (on average 1.5490399584846912) internal successors, (5970), 3854 states have internal predecessors, (5970), 0 states have call successors, (0), 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 00:26:08,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3855 states to 3855 states and 5970 transitions. [2024-11-07 00:26:08,142 INFO L78 Accepts]: Start accepts. Automaton has 3855 states and 5970 transitions. Word has length 83 [2024-11-07 00:26:08,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:08,143 INFO L471 AbstractCegarLoop]: Abstraction has 3855 states and 5970 transitions. [2024-11-07 00:26:08,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 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 00:26:08,144 INFO L276 IsEmpty]: Start isEmpty. Operand 3855 states and 5970 transitions. [2024-11-07 00:26:08,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-07 00:26:08,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:08,149 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:08,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 00:26:08,149 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:26:08,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:08,150 INFO L85 PathProgramCache]: Analyzing trace with hash -2053901352, now seen corresponding path program 1 times [2024-11-07 00:26:08,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:08,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418901183] [2024-11-07 00:26:08,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:08,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:08,259 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 00:26:08,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:08,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418901183] [2024-11-07 00:26:08,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418901183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:08,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:08,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:26:08,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386317523] [2024-11-07 00:26:08,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:08,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:26:08,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:08,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:26:08,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:26:08,261 INFO L87 Difference]: Start difference. First operand 3855 states and 5970 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 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 00:26:08,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:08,515 INFO L93 Difference]: Finished difference Result 10980 states and 17065 transitions. [2024-11-07 00:26:08,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:26:08,516 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-07 00:26:08,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:08,540 INFO L225 Difference]: With dead ends: 10980 [2024-11-07 00:26:08,540 INFO L226 Difference]: Without dead ends: 7207 [2024-11-07 00:26:08,546 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:26:08,547 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 1153 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1153 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:08,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1153 Valid, 296 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 00:26:08,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7207 states. [2024-11-07 00:26:08,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7207 to 7205. [2024-11-07 00:26:08,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7205 states, 7204 states have (on average 1.5452526374236535) internal successors, (11132), 7204 states have internal predecessors, (11132), 0 states have call successors, (0), 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 00:26:08,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7205 states to 7205 states and 11132 transitions. [2024-11-07 00:26:08,687 INFO L78 Accepts]: Start accepts. Automaton has 7205 states and 11132 transitions. Word has length 83 [2024-11-07 00:26:08,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:08,688 INFO L471 AbstractCegarLoop]: Abstraction has 7205 states and 11132 transitions. [2024-11-07 00:26:08,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 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 00:26:08,688 INFO L276 IsEmpty]: Start isEmpty. Operand 7205 states and 11132 transitions. [2024-11-07 00:26:08,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-07 00:26:08,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:08,692 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:08,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 00:26:08,692 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:26:08,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:08,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1112064425, now seen corresponding path program 1 times [2024-11-07 00:26:08,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:08,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267101523] [2024-11-07 00:26:08,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:08,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:08,823 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 00:26:08,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:08,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267101523] [2024-11-07 00:26:08,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267101523] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:08,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:08,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:26:08,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733156574] [2024-11-07 00:26:08,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:08,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:26:08,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:08,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:26:08,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:26:08,826 INFO L87 Difference]: Start difference. First operand 7205 states and 11132 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 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 00:26:09,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:09,090 INFO L93 Difference]: Finished difference Result 20743 states and 32107 transitions. [2024-11-07 00:26:09,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:26:09,091 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-07 00:26:09,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:09,134 INFO L225 Difference]: With dead ends: 20743 [2024-11-07 00:26:09,134 INFO L226 Difference]: Without dead ends: 13650 [2024-11-07 00:26:09,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:26:09,149 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 1115 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1115 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:09,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1115 Valid, 298 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 00:26:09,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13650 states. [2024-11-07 00:26:09,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13650 to 13648. [2024-11-07 00:26:09,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13648 states, 13647 states have (on average 1.5395324979849052) internal successors, (21010), 13647 states have internal predecessors, (21010), 0 states have call successors, (0), 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 00:26:09,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13648 states to 13648 states and 21010 transitions. [2024-11-07 00:26:09,400 INFO L78 Accepts]: Start accepts. Automaton has 13648 states and 21010 transitions. Word has length 83 [2024-11-07 00:26:09,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:09,401 INFO L471 AbstractCegarLoop]: Abstraction has 13648 states and 21010 transitions. [2024-11-07 00:26:09,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 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 00:26:09,401 INFO L276 IsEmpty]: Start isEmpty. Operand 13648 states and 21010 transitions. [2024-11-07 00:26:09,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-07 00:26:09,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:09,405 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:09,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 00:26:09,406 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:26:09,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:09,406 INFO L85 PathProgramCache]: Analyzing trace with hash 340452666, now seen corresponding path program 1 times [2024-11-07 00:26:09,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:09,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576415025] [2024-11-07 00:26:09,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:09,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:09,523 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 00:26:09,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:09,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576415025] [2024-11-07 00:26:09,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576415025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:09,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:09,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:26:09,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563736569] [2024-11-07 00:26:09,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:09,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:26:09,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:09,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:26:09,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:26:09,526 INFO L87 Difference]: Start difference. First operand 13648 states and 21010 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 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 00:26:09,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:09,850 INFO L93 Difference]: Finished difference Result 39952 states and 61618 transitions. [2024-11-07 00:26:09,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:26:09,851 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-07 00:26:09,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:09,900 INFO L225 Difference]: With dead ends: 39952 [2024-11-07 00:26:09,900 INFO L226 Difference]: Without dead ends: 26450 [2024-11-07 00:26:09,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:26:09,914 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 1101 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1101 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:09,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1101 Valid, 307 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 00:26:09,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26450 states. [2024-11-07 00:26:10,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26450 to 26448. [2024-11-07 00:26:10,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26448 states, 26447 states have (on average 1.535939804136575) internal successors, (40621), 26447 states have internal predecessors, (40621), 0 states have call successors, (0), 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 00:26:10,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26448 states to 26448 states and 40621 transitions. [2024-11-07 00:26:10,357 INFO L78 Accepts]: Start accepts. Automaton has 26448 states and 40621 transitions. Word has length 83 [2024-11-07 00:26:10,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:10,357 INFO L471 AbstractCegarLoop]: Abstraction has 26448 states and 40621 transitions. [2024-11-07 00:26:10,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 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 00:26:10,358 INFO L276 IsEmpty]: Start isEmpty. Operand 26448 states and 40621 transitions. [2024-11-07 00:26:10,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-07 00:26:10,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:10,363 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:10,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 00:26:10,363 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:26:10,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:10,364 INFO L85 PathProgramCache]: Analyzing trace with hash 31378129, now seen corresponding path program 1 times [2024-11-07 00:26:10,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:10,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90932340] [2024-11-07 00:26:10,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:10,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:10,672 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 00:26:10,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:10,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90932340] [2024-11-07 00:26:10,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90932340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:10,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:10,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 00:26:10,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111296618] [2024-11-07 00:26:10,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:10,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:26:10,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:10,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:26:10,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:26:10,674 INFO L87 Difference]: Start difference. First operand 26448 states and 40621 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:10,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:10,878 INFO L93 Difference]: Finished difference Result 27090 states and 41582 transitions. [2024-11-07 00:26:10,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:26:10,879 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-11-07 00:26:10,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:10,929 INFO L225 Difference]: With dead ends: 27090 [2024-11-07 00:26:10,930 INFO L226 Difference]: Without dead ends: 27088 [2024-11-07 00:26:10,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 00:26:10,935 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 0 mSDsluCounter, 868 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1162 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:10,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1162 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:26:10,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27088 states. [2024-11-07 00:26:11,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27088 to 27088. [2024-11-07 00:26:11,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27088 states, 27087 states have (on average 1.523276848672795) internal successors, (41261), 27087 states have internal predecessors, (41261), 0 states have call successors, (0), 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 00:26:11,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27088 states to 27088 states and 41261 transitions. [2024-11-07 00:26:11,324 INFO L78 Accepts]: Start accepts. Automaton has 27088 states and 41261 transitions. Word has length 84 [2024-11-07 00:26:11,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:11,324 INFO L471 AbstractCegarLoop]: Abstraction has 27088 states and 41261 transitions. [2024-11-07 00:26:11,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:11,325 INFO L276 IsEmpty]: Start isEmpty. Operand 27088 states and 41261 transitions. [2024-11-07 00:26:11,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-07 00:26:11,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:11,330 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:11,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 00:26:11,330 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:26:11,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:11,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1251175856, now seen corresponding path program 1 times [2024-11-07 00:26:11,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:11,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652267325] [2024-11-07 00:26:11,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:11,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:11,469 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 00:26:11,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:11,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652267325] [2024-11-07 00:26:11,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652267325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:11,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:11,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:26:11,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784287839] [2024-11-07 00:26:11,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:11,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 00:26:11,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:11,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 00:26:11,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 00:26:11,471 INFO L87 Difference]: Start difference. First operand 27088 states and 41261 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 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 00:26:11,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:11,754 INFO L93 Difference]: Finished difference Result 76308 states and 115935 transitions. [2024-11-07 00:26:11,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 00:26:11,755 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-07 00:26:11,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:11,868 INFO L225 Difference]: With dead ends: 76308 [2024-11-07 00:26:11,869 INFO L226 Difference]: Without dead ends: 50066 [2024-11-07 00:26:11,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 00:26:11,898 INFO L432 NwaCegarLoop]: 383 mSDtfsCounter, 204 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 820 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:11,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 820 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:26:11,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50066 states. [2024-11-07 00:26:12,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50066 to 50064. [2024-11-07 00:26:12,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50064 states, 50063 states have (on average 1.5100373529353015) internal successors, (75597), 50063 states have internal predecessors, (75597), 0 states have call successors, (0), 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 00:26:12,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50064 states to 50064 states and 75597 transitions. [2024-11-07 00:26:12,913 INFO L78 Accepts]: Start accepts. Automaton has 50064 states and 75597 transitions. Word has length 85 [2024-11-07 00:26:12,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:12,913 INFO L471 AbstractCegarLoop]: Abstraction has 50064 states and 75597 transitions. [2024-11-07 00:26:12,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 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 00:26:12,914 INFO L276 IsEmpty]: Start isEmpty. Operand 50064 states and 75597 transitions. [2024-11-07 00:26:12,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-07 00:26:12,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:12,919 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:12,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 00:26:12,919 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:26:12,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:12,921 INFO L85 PathProgramCache]: Analyzing trace with hash -678332428, now seen corresponding path program 1 times [2024-11-07 00:26:12,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:12,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050115678] [2024-11-07 00:26:12,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:12,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:12,985 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 00:26:12,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:12,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050115678] [2024-11-07 00:26:12,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050115678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:12,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:12,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:26:12,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821411987] [2024-11-07 00:26:12,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:12,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:26:12,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:12,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:26:12,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:26:12,987 INFO L87 Difference]: Start difference. First operand 50064 states and 75597 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:13,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:13,515 INFO L93 Difference]: Finished difference Result 108097 states and 163084 transitions. [2024-11-07 00:26:13,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:26:13,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-11-07 00:26:13,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:13,634 INFO L225 Difference]: With dead ends: 108097 [2024-11-07 00:26:13,635 INFO L226 Difference]: Without dead ends: 66063 [2024-11-07 00:26:13,661 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 00:26:13,663 INFO L432 NwaCegarLoop]: 293 mSDtfsCounter, 203 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:13,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 565 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:26:13,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66063 states. [2024-11-07 00:26:14,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66063 to 65588. [2024-11-07 00:26:14,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65588 states, 65587 states have (on average 1.49121014835257) internal successors, (97804), 65587 states have internal predecessors, (97804), 0 states have call successors, (0), 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 00:26:14,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65588 states to 65588 states and 97804 transitions. [2024-11-07 00:26:14,818 INFO L78 Accepts]: Start accepts. Automaton has 65588 states and 97804 transitions. Word has length 86 [2024-11-07 00:26:14,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:14,818 INFO L471 AbstractCegarLoop]: Abstraction has 65588 states and 97804 transitions. [2024-11-07 00:26:14,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:14,818 INFO L276 IsEmpty]: Start isEmpty. Operand 65588 states and 97804 transitions. [2024-11-07 00:26:14,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-07 00:26:14,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:14,825 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:14,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 00:26:14,827 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:26:14,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:14,828 INFO L85 PathProgramCache]: Analyzing trace with hash 823665781, now seen corresponding path program 1 times [2024-11-07 00:26:14,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:14,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246557447] [2024-11-07 00:26:14,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:14,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:14,884 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 00:26:14,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:14,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246557447] [2024-11-07 00:26:14,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246557447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:14,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:14,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:26:14,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131055423] [2024-11-07 00:26:14,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:14,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:26:14,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:14,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:26:14,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:26:14,886 INFO L87 Difference]: Start difference. First operand 65588 states and 97804 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:15,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:15,333 INFO L93 Difference]: Finished difference Result 125255 states and 186423 transitions. [2024-11-07 00:26:15,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:26:15,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-11-07 00:26:15,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:15,453 INFO L225 Difference]: With dead ends: 125255 [2024-11-07 00:26:15,453 INFO L226 Difference]: Without dead ends: 79725 [2024-11-07 00:26:15,511 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 00:26:15,513 INFO L432 NwaCegarLoop]: 292 mSDtfsCounter, 191 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:15,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 563 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:26:15,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79725 states. [2024-11-07 00:26:16,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79725 to 79128. [2024-11-07 00:26:16,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79128 states, 79127 states have (on average 1.4686769370758401) internal successors, (116212), 79127 states have internal predecessors, (116212), 0 states have call successors, (0), 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 00:26:16,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79128 states to 79128 states and 116212 transitions. [2024-11-07 00:26:16,865 INFO L78 Accepts]: Start accepts. Automaton has 79128 states and 116212 transitions. Word has length 86 [2024-11-07 00:26:16,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:16,866 INFO L471 AbstractCegarLoop]: Abstraction has 79128 states and 116212 transitions. [2024-11-07 00:26:16,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:16,866 INFO L276 IsEmpty]: Start isEmpty. Operand 79128 states and 116212 transitions. [2024-11-07 00:26:16,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-07 00:26:16,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:16,876 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:16,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 00:26:16,877 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:26:16,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:16,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1582386452, now seen corresponding path program 1 times [2024-11-07 00:26:16,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:16,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987405352] [2024-11-07 00:26:16,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:16,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:16,970 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 00:26:16,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:16,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987405352] [2024-11-07 00:26:16,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987405352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:16,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:16,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:26:16,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696361434] [2024-11-07 00:26:16,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:16,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:26:16,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:16,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:26:16,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:26:16,972 INFO L87 Difference]: Start difference. First operand 79128 states and 116212 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:17,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:17,446 INFO L93 Difference]: Finished difference Result 134141 states and 196459 transitions. [2024-11-07 00:26:17,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:26:17,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-11-07 00:26:17,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:17,562 INFO L225 Difference]: With dead ends: 134141 [2024-11-07 00:26:17,562 INFO L226 Difference]: Without dead ends: 90451 [2024-11-07 00:26:17,590 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 00:26:17,590 INFO L432 NwaCegarLoop]: 291 mSDtfsCounter, 179 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:17,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 561 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:26:17,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90451 states. [2024-11-07 00:26:18,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90451 to 89655. [2024-11-07 00:26:18,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89655 states, 89654 states have (on average 1.4431481027059585) internal successors, (129384), 89654 states have internal predecessors, (129384), 0 states have call successors, (0), 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 00:26:18,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89655 states to 89655 states and 129384 transitions. [2024-11-07 00:26:18,818 INFO L78 Accepts]: Start accepts. Automaton has 89655 states and 129384 transitions. Word has length 86 [2024-11-07 00:26:18,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:18,819 INFO L471 AbstractCegarLoop]: Abstraction has 89655 states and 129384 transitions. [2024-11-07 00:26:18,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:18,819 INFO L276 IsEmpty]: Start isEmpty. Operand 89655 states and 129384 transitions. [2024-11-07 00:26:18,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-07 00:26:18,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:18,828 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:18,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 00:26:18,828 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:26:18,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:18,829 INFO L85 PathProgramCache]: Analyzing trace with hash 735785, now seen corresponding path program 1 times [2024-11-07 00:26:18,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:18,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933531850] [2024-11-07 00:26:18,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:18,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:18,876 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 00:26:18,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:18,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933531850] [2024-11-07 00:26:18,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933531850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:18,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:18,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:26:18,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238808736] [2024-11-07 00:26:18,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:18,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:26:18,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:18,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:26:18,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:26:18,878 INFO L87 Difference]: Start difference. First operand 89655 states and 129384 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:19,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:19,456 INFO L93 Difference]: Finished difference Result 124081 states and 178328 transitions. [2024-11-07 00:26:19,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:26:19,457 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-11-07 00:26:19,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:19,601 INFO L225 Difference]: With dead ends: 124081 [2024-11-07 00:26:19,602 INFO L226 Difference]: Without dead ends: 92183 [2024-11-07 00:26:19,646 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 00:26:19,647 INFO L432 NwaCegarLoop]: 291 mSDtfsCounter, 171 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:19,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 562 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:26:19,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92183 states. [2024-11-07 00:26:20,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92183 to 82685. [2024-11-07 00:26:20,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82685 states, 82684 states have (on average 1.4202264041410673) internal successors, (117430), 82684 states have internal predecessors, (117430), 0 states have call successors, (0), 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 00:26:21,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82685 states to 82685 states and 117430 transitions. [2024-11-07 00:26:21,134 INFO L78 Accepts]: Start accepts. Automaton has 82685 states and 117430 transitions. Word has length 86 [2024-11-07 00:26:21,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:21,134 INFO L471 AbstractCegarLoop]: Abstraction has 82685 states and 117430 transitions. [2024-11-07 00:26:21,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:21,134 INFO L276 IsEmpty]: Start isEmpty. Operand 82685 states and 117430 transitions. [2024-11-07 00:26:21,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-07 00:26:21,142 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:21,142 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:21,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 00:26:21,143 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:26:21,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:21,143 INFO L85 PathProgramCache]: Analyzing trace with hash -872252011, now seen corresponding path program 1 times [2024-11-07 00:26:21,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:21,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692676572] [2024-11-07 00:26:21,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:21,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:21,263 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 00:26:21,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:21,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692676572] [2024-11-07 00:26:21,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692676572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:21,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:21,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 00:26:21,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991036208] [2024-11-07 00:26:21,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:21,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 00:26:21,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:21,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 00:26:21,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:26:21,264 INFO L87 Difference]: Start difference. First operand 82685 states and 117430 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:21,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:21,839 INFO L93 Difference]: Finished difference Result 192545 states and 275328 transitions. [2024-11-07 00:26:21,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 00:26:21,840 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-11-07 00:26:21,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:22,113 INFO L225 Difference]: With dead ends: 192545 [2024-11-07 00:26:22,113 INFO L226 Difference]: Without dead ends: 160857 [2024-11-07 00:26:22,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-07 00:26:22,197 INFO L432 NwaCegarLoop]: 478 mSDtfsCounter, 1650 mSDsluCounter, 1789 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1650 SdHoareTripleChecker+Valid, 2267 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:22,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1650 Valid, 2267 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:26:22,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160857 states. [2024-11-07 00:26:23,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160857 to 108033. [2024-11-07 00:26:23,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108033 states, 108032 states have (on average 1.420236596563981) internal successors, (153431), 108032 states have internal predecessors, (153431), 0 states have call successors, (0), 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 00:26:24,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108033 states to 108033 states and 153431 transitions. [2024-11-07 00:26:24,248 INFO L78 Accepts]: Start accepts. Automaton has 108033 states and 153431 transitions. Word has length 86 [2024-11-07 00:26:24,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:24,248 INFO L471 AbstractCegarLoop]: Abstraction has 108033 states and 153431 transitions. [2024-11-07 00:26:24,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:24,248 INFO L276 IsEmpty]: Start isEmpty. Operand 108033 states and 153431 transitions. [2024-11-07 00:26:24,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-07 00:26:24,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:24,261 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:24,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 00:26:24,261 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:26:24,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:24,261 INFO L85 PathProgramCache]: Analyzing trace with hash 853569556, now seen corresponding path program 1 times [2024-11-07 00:26:24,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:24,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172059446] [2024-11-07 00:26:24,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:24,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:24,397 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 00:26:24,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:24,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172059446] [2024-11-07 00:26:24,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172059446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:24,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:24,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 00:26:24,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222571256] [2024-11-07 00:26:24,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:24,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 00:26:24,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:24,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 00:26:24,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:26:24,399 INFO L87 Difference]: Start difference. First operand 108033 states and 153431 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:25,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:25,574 INFO L93 Difference]: Finished difference Result 219493 states and 313628 transitions. [2024-11-07 00:26:25,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 00:26:25,575 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-11-07 00:26:25,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:25,850 INFO L225 Difference]: With dead ends: 219493 [2024-11-07 00:26:25,850 INFO L226 Difference]: Without dead ends: 186023 [2024-11-07 00:26:25,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-07 00:26:25,918 INFO L432 NwaCegarLoop]: 464 mSDtfsCounter, 1639 mSDsluCounter, 1592 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1639 SdHoareTripleChecker+Valid, 2056 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:25,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1639 Valid, 2056 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:26:26,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186023 states. [2024-11-07 00:26:27,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186023 to 139666. [2024-11-07 00:26:27,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139666 states, 139665 states have (on average 1.4203057315719758) internal successors, (198367), 139665 states have internal predecessors, (198367), 0 states have call successors, (0), 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 00:26:27,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139666 states to 139666 states and 198367 transitions. [2024-11-07 00:26:27,955 INFO L78 Accepts]: Start accepts. Automaton has 139666 states and 198367 transitions. Word has length 86 [2024-11-07 00:26:27,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:27,955 INFO L471 AbstractCegarLoop]: Abstraction has 139666 states and 198367 transitions. [2024-11-07 00:26:27,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:27,955 INFO L276 IsEmpty]: Start isEmpty. Operand 139666 states and 198367 transitions. [2024-11-07 00:26:27,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-07 00:26:27,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:27,967 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:27,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 00:26:27,967 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:26:27,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:27,968 INFO L85 PathProgramCache]: Analyzing trace with hash 687721653, now seen corresponding path program 1 times [2024-11-07 00:26:27,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:27,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935069521] [2024-11-07 00:26:27,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:27,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:28,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:26:28,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:28,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935069521] [2024-11-07 00:26:28,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935069521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:28,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:28,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 00:26:28,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797141077] [2024-11-07 00:26:28,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:28,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 00:26:28,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:28,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 00:26:28,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:26:28,070 INFO L87 Difference]: Start difference. First operand 139666 states and 198367 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:29,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:29,197 INFO L93 Difference]: Finished difference Result 240051 states and 342716 transitions. [2024-11-07 00:26:29,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 00:26:29,198 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-11-07 00:26:29,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:29,582 INFO L225 Difference]: With dead ends: 240051 [2024-11-07 00:26:29,582 INFO L226 Difference]: Without dead ends: 212869 [2024-11-07 00:26:29,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-07 00:26:29,645 INFO L432 NwaCegarLoop]: 452 mSDtfsCounter, 1745 mSDsluCounter, 1490 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1745 SdHoareTripleChecker+Valid, 1942 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:29,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1745 Valid, 1942 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:26:29,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212869 states. [2024-11-07 00:26:31,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212869 to 154994. [2024-11-07 00:26:31,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154994 states, 154993 states have (on average 1.421773886562619) internal successors, (220365), 154993 states have internal predecessors, (220365), 0 states have call successors, (0), 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 00:26:32,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154994 states to 154994 states and 220365 transitions. [2024-11-07 00:26:32,148 INFO L78 Accepts]: Start accepts. Automaton has 154994 states and 220365 transitions. Word has length 86 [2024-11-07 00:26:32,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:32,148 INFO L471 AbstractCegarLoop]: Abstraction has 154994 states and 220365 transitions. [2024-11-07 00:26:32,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:32,149 INFO L276 IsEmpty]: Start isEmpty. Operand 154994 states and 220365 transitions. [2024-11-07 00:26:32,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-07 00:26:32,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:32,163 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:32,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 00:26:32,164 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:26:32,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:32,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1169859212, now seen corresponding path program 1 times [2024-11-07 00:26:32,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:32,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352236045] [2024-11-07 00:26:32,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:32,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:32,665 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 00:26:32,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:32,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352236045] [2024-11-07 00:26:32,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352236045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:32,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:32,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 00:26:32,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809261939] [2024-11-07 00:26:32,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:32,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 00:26:32,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:32,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 00:26:32,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:26:32,667 INFO L87 Difference]: Start difference. First operand 154994 states and 220365 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:33,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:33,361 INFO L93 Difference]: Finished difference Result 247983 states and 353678 transitions. [2024-11-07 00:26:33,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 00:26:33,363 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-11-07 00:26:33,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:33,751 INFO L225 Difference]: With dead ends: 247983 [2024-11-07 00:26:33,752 INFO L226 Difference]: Without dead ends: 230305 [2024-11-07 00:26:33,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-07 00:26:33,853 INFO L432 NwaCegarLoop]: 440 mSDtfsCounter, 1858 mSDsluCounter, 1581 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1858 SdHoareTripleChecker+Valid, 2021 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:33,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1858 Valid, 2021 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:26:34,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230305 states. [2024-11-07 00:26:36,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230305 to 163902. [2024-11-07 00:26:36,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163902 states, 163901 states have (on average 1.4228040097375856) internal successors, (233199), 163901 states have internal predecessors, (233199), 0 states have call successors, (0), 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 00:26:37,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163902 states to 163902 states and 233199 transitions. [2024-11-07 00:26:37,188 INFO L78 Accepts]: Start accepts. Automaton has 163902 states and 233199 transitions. Word has length 86 [2024-11-07 00:26:37,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:37,188 INFO L471 AbstractCegarLoop]: Abstraction has 163902 states and 233199 transitions. [2024-11-07 00:26:37,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:37,189 INFO L276 IsEmpty]: Start isEmpty. Operand 163902 states and 233199 transitions. [2024-11-07 00:26:37,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-07 00:26:37,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:37,198 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:37,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 00:26:37,199 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:26:37,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:37,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1883936087, now seen corresponding path program 1 times [2024-11-07 00:26:37,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:37,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825472679] [2024-11-07 00:26:37,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:37,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:37,304 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 00:26:37,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:37,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825472679] [2024-11-07 00:26:37,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825472679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:37,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:37,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 00:26:37,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504514911] [2024-11-07 00:26:37,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:37,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 00:26:37,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:37,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 00:26:37,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:26:37,305 INFO L87 Difference]: Start difference. First operand 163902 states and 233199 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:37,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:37,999 INFO L93 Difference]: Finished difference Result 245967 states and 350540 transitions. [2024-11-07 00:26:37,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 00:26:37,999 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-11-07 00:26:38,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:38,385 INFO L225 Difference]: With dead ends: 245967 [2024-11-07 00:26:38,385 INFO L226 Difference]: Without dead ends: 238081 [2024-11-07 00:26:38,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-07 00:26:38,477 INFO L432 NwaCegarLoop]: 437 mSDtfsCounter, 1676 mSDsluCounter, 1841 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1676 SdHoareTripleChecker+Valid, 2278 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:38,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1676 Valid, 2278 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:26:39,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238081 states. [2024-11-07 00:26:41,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238081 to 171678. [2024-11-07 00:26:41,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171678 states, 171677 states have (on average 1.4228405668784985) internal successors, (244269), 171677 states have internal predecessors, (244269), 0 states have call successors, (0), 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 00:26:41,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171678 states to 171678 states and 244269 transitions. [2024-11-07 00:26:41,648 INFO L78 Accepts]: Start accepts. Automaton has 171678 states and 244269 transitions. Word has length 86 [2024-11-07 00:26:41,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:26:41,648 INFO L471 AbstractCegarLoop]: Abstraction has 171678 states and 244269 transitions. [2024-11-07 00:26:41,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:41,649 INFO L276 IsEmpty]: Start isEmpty. Operand 171678 states and 244269 transitions. [2024-11-07 00:26:41,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-07 00:26:41,663 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:26:41,663 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:26:41,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 00:26:41,663 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:26:41,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:26:41,663 INFO L85 PathProgramCache]: Analyzing trace with hash -408892314, now seen corresponding path program 1 times [2024-11-07 00:26:41,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:26:41,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776959747] [2024-11-07 00:26:41,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:26:41,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:26:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:26:41,711 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 00:26:41,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:26:41,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776959747] [2024-11-07 00:26:41,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776959747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:26:41,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:26:41,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:26:41,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812241455] [2024-11-07 00:26:41,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:26:41,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:26:41,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:26:41,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:26:41,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:26:41,714 INFO L87 Difference]: Start difference. First operand 171678 states and 244269 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:26:43,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:26:43,462 INFO L93 Difference]: Finished difference Result 468838 states and 666097 transitions. [2024-11-07 00:26:43,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:26:43,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2024-11-07 00:26:43,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:26:43,987 INFO L225 Difference]: With dead ends: 468838 [2024-11-07 00:26:43,987 INFO L226 Difference]: Without dead ends: 304869 [2024-11-07 00:26:44,134 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 00:26:44,135 INFO L432 NwaCegarLoop]: 409 mSDtfsCounter, 205 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:26:44,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 678 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:26:44,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304869 states.