./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p10.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p10.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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', '64bit', '--witnessprinter.graph.data.programhash', '20c7fc3494b446055d3e4a2b30847fc411c91ac271aa2546e41eca4738b87081'] 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/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p10.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash 20c7fc3494b446055d3e4a2b30847fc411c91ac271aa2546e41eca4738b87081 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 03:51:47,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 03:51:47,771 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 03:51:47,776 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 03:51:47,776 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 03:51:47,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 03:51:47,808 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 03:51:47,809 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 03:51:47,809 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 03:51:47,810 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 03:51:47,810 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 03:51:47,810 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 03:51:47,811 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 03:51:47,811 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 03:51:47,811 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 03:51:47,811 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 03:51:47,812 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 03:51:47,812 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 03:51:47,812 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 03:51:47,812 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 03:51:47,812 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 03:51:47,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 03:51:47,812 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 03:51:47,812 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 03:51:47,812 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 03:51:47,812 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 03:51:47,813 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 03:51:47,813 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 03:51:47,813 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 03:51:47,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 03:51:47,813 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 03:51:47,813 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 03:51:47,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 03:51:47,813 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 03:51:47,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 03:51:47,813 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 03:51:47,813 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 03:51:47,813 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 03:51:47,813 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 03:51:47,813 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20c7fc3494b446055d3e4a2b30847fc411c91ac271aa2546e41eca4738b87081 [2024-11-07 03:51:48,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 03:51:48,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 03:51:48,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 03:51:48,118 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 03:51:48,118 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 03:51:48,119 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p10.c [2024-11-07 03:51:49,406 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 03:51:49,760 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 03:51:49,762 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p10.c [2024-11-07 03:51:49,781 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b3fe5ed7a/c497a19bf2f94c7a932edd48bc2b54cf/FLAGae574f399 [2024-11-07 03:51:49,799 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b3fe5ed7a/c497a19bf2f94c7a932edd48bc2b54cf [2024-11-07 03:51:49,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 03:51:49,804 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 03:51:49,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 03:51:49,806 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 03:51:49,810 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 03:51:49,811 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:51:49" (1/1) ... [2024-11-07 03:51:49,813 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77c56238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:51:49, skipping insertion in model container [2024-11-07 03:51:49,813 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:51:49" (1/1) ... [2024-11-07 03:51:49,872 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 03:51:50,023 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/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p10.c[1259,1272] [2024-11-07 03:51:50,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 03:51:50,279 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 03:51:50,286 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/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p10.c[1259,1272] [2024-11-07 03:51:50,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 03:51:50,440 INFO L204 MainTranslator]: Completed translation [2024-11-07 03:51:50,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:51:50 WrapperNode [2024-11-07 03:51:50,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 03:51:50,443 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 03:51:50,443 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 03:51:50,444 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 03:51:50,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:51:50" (1/1) ... [2024-11-07 03:51:50,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:51:50" (1/1) ... [2024-11-07 03:51:50,858 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2752 [2024-11-07 03:51:50,858 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 03:51:50,859 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 03:51:50,859 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 03:51:50,860 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 03:51:50,867 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:51:50" (1/1) ... [2024-11-07 03:51:50,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:51:50" (1/1) ... [2024-11-07 03:51:50,958 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:51:50" (1/1) ... [2024-11-07 03:51:51,094 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 03:51:51,095 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:51:50" (1/1) ... [2024-11-07 03:51:51,096 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:51:50" (1/1) ... [2024-11-07 03:51:51,169 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:51:50" (1/1) ... [2024-11-07 03:51:51,182 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:51:50" (1/1) ... [2024-11-07 03:51:51,207 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:51:50" (1/1) ... [2024-11-07 03:51:51,229 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:51:50" (1/1) ... [2024-11-07 03:51:51,304 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 03:51:51,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 03:51:51,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 03:51:51,306 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 03:51:51,307 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:51:50" (1/1) ... [2024-11-07 03:51:51,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 03:51:51,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 03:51:51,340 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 03:51:51,346 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 03:51:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 03:51:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 03:51:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 03:51:51,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 03:51:51,726 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 03:51:51,728 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 03:51:54,389 INFO L? ?]: Removed 1738 outVars from TransFormulas that were not future-live. [2024-11-07 03:51:54,390 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 03:51:54,423 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 03:51:54,423 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 03:51:54,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:51:54 BoogieIcfgContainer [2024-11-07 03:51:54,426 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 03:51:54,429 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 03:51:54,429 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 03:51:54,435 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 03:51:54,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:51:49" (1/3) ... [2024-11-07 03:51:54,436 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@426dcbc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:51:54, skipping insertion in model container [2024-11-07 03:51:54,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:51:50" (2/3) ... [2024-11-07 03:51:54,436 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@426dcbc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:51:54, skipping insertion in model container [2024-11-07 03:51:54,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:51:54" (3/3) ... [2024-11-07 03:51:54,437 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p10.c [2024-11-07 03:51:54,452 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 03:51:54,453 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 03:51:54,519 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 03:51:54,528 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;@7b86dc91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 03:51:54,529 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 03:51:54,534 INFO L276 IsEmpty]: Start isEmpty. Operand has 723 states, 721 states have (on average 1.4993065187239945) internal successors, (1081), 722 states have internal predecessors, (1081), 0 states have call successors, (0), 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 03:51:54,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-07 03:51:54,548 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:51:54,549 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:51:54,550 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:51:54,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:51:54,554 INFO L85 PathProgramCache]: Analyzing trace with hash 285156242, now seen corresponding path program 1 times [2024-11-07 03:51:54,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:51:54,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548038867] [2024-11-07 03:51:54,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:51:54,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:51:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:51:56,080 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 03:51:56,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:51:56,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548038867] [2024-11-07 03:51:56,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548038867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:51:56,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:51:56,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 03:51:56,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899754826] [2024-11-07 03:51:56,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:51:56,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 03:51:56,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:51:56,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 03:51:56,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 03:51:56,112 INFO L87 Difference]: Start difference. First operand has 723 states, 721 states have (on average 1.4993065187239945) internal successors, (1081), 722 states have internal predecessors, (1081), 0 states have call successors, (0), 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 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 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 03:51:56,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:51:56,247 INFO L93 Difference]: Finished difference Result 1391 states and 2083 transitions. [2024-11-07 03:51:56,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 03:51:56,250 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2024-11-07 03:51:56,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:51:56,267 INFO L225 Difference]: With dead ends: 1391 [2024-11-07 03:51:56,268 INFO L226 Difference]: Without dead ends: 722 [2024-11-07 03:51:56,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 03:51:56,278 INFO L432 NwaCegarLoop]: 1075 mSDtfsCounter, 0 mSDsluCounter, 2144 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3219 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 03:51:56,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3219 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 03:51:56,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2024-11-07 03:51:56,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 722. [2024-11-07 03:51:56,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 721 states have (on average 1.4965325936199723) internal successors, (1079), 721 states have internal predecessors, (1079), 0 states have call successors, (0), 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 03:51:56,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 1079 transitions. [2024-11-07 03:51:56,362 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 1079 transitions. Word has length 141 [2024-11-07 03:51:56,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:51:56,365 INFO L471 AbstractCegarLoop]: Abstraction has 722 states and 1079 transitions. [2024-11-07 03:51:56,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 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 03:51:56,365 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 1079 transitions. [2024-11-07 03:51:56,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-07 03:51:56,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:51:56,369 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:51:56,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 03:51:56,370 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:51:56,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:51:56,371 INFO L85 PathProgramCache]: Analyzing trace with hash 251604947, now seen corresponding path program 1 times [2024-11-07 03:51:56,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:51:56,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078658960] [2024-11-07 03:51:56,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:51:56,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:51:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:51:56,902 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 03:51:56,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:51:56,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078658960] [2024-11-07 03:51:56,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078658960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:51:56,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:51:56,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 03:51:56,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272357720] [2024-11-07 03:51:56,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:51:56,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 03:51:56,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:51:56,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 03:51:56,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 03:51:56,907 INFO L87 Difference]: Start difference. First operand 722 states and 1079 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 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 03:51:56,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:51:56,968 INFO L93 Difference]: Finished difference Result 1392 states and 2081 transitions. [2024-11-07 03:51:56,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 03:51:56,968 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2024-11-07 03:51:56,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:51:56,977 INFO L225 Difference]: With dead ends: 1392 [2024-11-07 03:51:56,977 INFO L226 Difference]: Without dead ends: 724 [2024-11-07 03:51:56,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 03:51:56,979 INFO L432 NwaCegarLoop]: 1075 mSDtfsCounter, 0 mSDsluCounter, 2140 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3215 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 03:51:56,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3215 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 03:51:56,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2024-11-07 03:51:57,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 724. [2024-11-07 03:51:57,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 723 states have (on average 1.4951590594744122) internal successors, (1081), 723 states have internal predecessors, (1081), 0 states have call successors, (0), 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 03:51:57,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1081 transitions. [2024-11-07 03:51:57,009 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1081 transitions. Word has length 142 [2024-11-07 03:51:57,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:51:57,011 INFO L471 AbstractCegarLoop]: Abstraction has 724 states and 1081 transitions. [2024-11-07 03:51:57,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 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 03:51:57,012 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1081 transitions. [2024-11-07 03:51:57,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-07 03:51:57,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:51:57,017 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:51:57,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 03:51:57,017 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:51:57,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:51:57,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1888146293, now seen corresponding path program 1 times [2024-11-07 03:51:57,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:51:57,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780842571] [2024-11-07 03:51:57,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:51:57,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:51:57,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:51:58,024 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 03:51:58,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:51:58,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780842571] [2024-11-07 03:51:58,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780842571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:51:58,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:51:58,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 03:51:58,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631721891] [2024-11-07 03:51:58,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:51:58,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 03:51:58,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:51:58,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 03:51:58,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 03:51:58,027 INFO L87 Difference]: Start difference. First operand 724 states and 1081 transitions. Second operand has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 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 03:51:58,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:51:58,106 INFO L93 Difference]: Finished difference Result 1402 states and 2094 transitions. [2024-11-07 03:51:58,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 03:51:58,106 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 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 143 [2024-11-07 03:51:58,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:51:58,111 INFO L225 Difference]: With dead ends: 1402 [2024-11-07 03:51:58,111 INFO L226 Difference]: Without dead ends: 732 [2024-11-07 03:51:58,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 03:51:58,113 INFO L432 NwaCegarLoop]: 1071 mSDtfsCounter, 6 mSDsluCounter, 3204 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4275 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 03:51:58,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4275 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 03:51:58,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2024-11-07 03:51:58,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 730. [2024-11-07 03:51:58,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 730 states, 729 states have (on average 1.4938271604938271) internal successors, (1089), 729 states have internal predecessors, (1089), 0 states have call successors, (0), 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 03:51:58,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 1089 transitions. [2024-11-07 03:51:58,137 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 1089 transitions. Word has length 143 [2024-11-07 03:51:58,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:51:58,137 INFO L471 AbstractCegarLoop]: Abstraction has 730 states and 1089 transitions. [2024-11-07 03:51:58,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 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 03:51:58,138 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 1089 transitions. [2024-11-07 03:51:58,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-07 03:51:58,140 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:51:58,140 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:51:58,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 03:51:58,141 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:51:58,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:51:58,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1987616826, now seen corresponding path program 1 times [2024-11-07 03:51:58,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:51:58,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537173589] [2024-11-07 03:51:58,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:51:58,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:51:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:51:59,397 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 03:51:59,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:51:59,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537173589] [2024-11-07 03:51:59,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537173589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:51:59,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:51:59,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 03:51:59,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045425841] [2024-11-07 03:51:59,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:51:59,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 03:51:59,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:51:59,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 03:51:59,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 03:51:59,401 INFO L87 Difference]: Start difference. First operand 730 states and 1089 transitions. Second operand has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 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 03:51:59,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:51:59,494 INFO L93 Difference]: Finished difference Result 1592 states and 2376 transitions. [2024-11-07 03:51:59,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 03:51:59,495 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 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 144 [2024-11-07 03:51:59,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:51:59,499 INFO L225 Difference]: With dead ends: 1592 [2024-11-07 03:51:59,500 INFO L226 Difference]: Without dead ends: 916 [2024-11-07 03:51:59,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 03:51:59,503 INFO L432 NwaCegarLoop]: 1073 mSDtfsCounter, 176 mSDsluCounter, 3468 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 4541 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 03:51:59,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 4541 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 03:51:59,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2024-11-07 03:51:59,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 913. [2024-11-07 03:51:59,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 913 states, 912 states have (on average 1.4923245614035088) internal successors, (1361), 912 states have internal predecessors, (1361), 0 states have call successors, (0), 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 03:51:59,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1361 transitions. [2024-11-07 03:51:59,531 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1361 transitions. Word has length 144 [2024-11-07 03:51:59,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:51:59,532 INFO L471 AbstractCegarLoop]: Abstraction has 913 states and 1361 transitions. [2024-11-07 03:51:59,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 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 03:51:59,533 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1361 transitions. [2024-11-07 03:51:59,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-07 03:51:59,534 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:51:59,534 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:51:59,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 03:51:59,535 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:51:59,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:51:59,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1899500149, now seen corresponding path program 1 times [2024-11-07 03:51:59,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:51:59,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066968635] [2024-11-07 03:51:59,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:51:59,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:51:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:00,446 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 03:52:00,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:00,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066968635] [2024-11-07 03:52:00,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066968635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:00,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:00,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 03:52:00,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324659229] [2024-11-07 03:52:00,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:00,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 03:52:00,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:00,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 03:52:00,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 03:52:00,449 INFO L87 Difference]: Start difference. First operand 913 states and 1361 transitions. Second operand has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 0 states have call successors, (0), 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 03:52:00,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:00,532 INFO L93 Difference]: Finished difference Result 1788 states and 2666 transitions. [2024-11-07 03:52:00,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 03:52:00,533 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 0 states have call successors, (0), 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 145 [2024-11-07 03:52:00,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:00,538 INFO L225 Difference]: With dead ends: 1788 [2024-11-07 03:52:00,539 INFO L226 Difference]: Without dead ends: 929 [2024-11-07 03:52:00,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 03:52:00,542 INFO L432 NwaCegarLoop]: 1071 mSDtfsCounter, 6 mSDsluCounter, 3204 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4275 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:00,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4275 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 03:52:00,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2024-11-07 03:52:00,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 925. [2024-11-07 03:52:00,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 924 states have (on average 1.4902597402597402) internal successors, (1377), 924 states have internal predecessors, (1377), 0 states have call successors, (0), 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 03:52:00,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1377 transitions. [2024-11-07 03:52:00,567 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1377 transitions. Word has length 145 [2024-11-07 03:52:00,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:00,567 INFO L471 AbstractCegarLoop]: Abstraction has 925 states and 1377 transitions. [2024-11-07 03:52:00,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 0 states have call successors, (0), 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 03:52:00,568 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1377 transitions. [2024-11-07 03:52:00,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-07 03:52:00,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:00,571 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:00,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 03:52:00,571 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:00,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:00,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1042085128, now seen corresponding path program 1 times [2024-11-07 03:52:00,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:00,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777913523] [2024-11-07 03:52:00,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:00,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:01,295 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 03:52:01,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:01,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777913523] [2024-11-07 03:52:01,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777913523] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:01,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:01,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 03:52:01,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896922799] [2024-11-07 03:52:01,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:01,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 03:52:01,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:01,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 03:52:01,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 03:52:01,298 INFO L87 Difference]: Start difference. First operand 925 states and 1377 transitions. Second operand has 5 states, 5 states have (on average 29.2) internal successors, (146), 5 states have internal predecessors, (146), 0 states have call successors, (0), 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 03:52:01,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:01,364 INFO L93 Difference]: Finished difference Result 1812 states and 2698 transitions. [2024-11-07 03:52:01,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 03:52:01,365 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 5 states have internal predecessors, (146), 0 states have call successors, (0), 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 146 [2024-11-07 03:52:01,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:01,369 INFO L225 Difference]: With dead ends: 1812 [2024-11-07 03:52:01,369 INFO L226 Difference]: Without dead ends: 941 [2024-11-07 03:52:01,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 03:52:01,371 INFO L432 NwaCegarLoop]: 1071 mSDtfsCounter, 6 mSDsluCounter, 3204 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4275 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:01,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4275 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 03:52:01,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2024-11-07 03:52:01,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 937. [2024-11-07 03:52:01,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 937 states, 936 states have (on average 1.4882478632478633) internal successors, (1393), 936 states have internal predecessors, (1393), 0 states have call successors, (0), 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 03:52:01,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1393 transitions. [2024-11-07 03:52:01,391 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1393 transitions. Word has length 146 [2024-11-07 03:52:01,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:01,392 INFO L471 AbstractCegarLoop]: Abstraction has 937 states and 1393 transitions. [2024-11-07 03:52:01,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 5 states have internal predecessors, (146), 0 states have call successors, (0), 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 03:52:01,392 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1393 transitions. [2024-11-07 03:52:01,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-07 03:52:01,394 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:01,394 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:01,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 03:52:01,395 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:01,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:01,395 INFO L85 PathProgramCache]: Analyzing trace with hash -294381334, now seen corresponding path program 1 times [2024-11-07 03:52:01,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:01,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024982381] [2024-11-07 03:52:01,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:01,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:02,301 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 03:52:02,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:02,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024982381] [2024-11-07 03:52:02,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024982381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:02,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:02,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 03:52:02,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834079519] [2024-11-07 03:52:02,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:02,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 03:52:02,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:02,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 03:52:02,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 03:52:02,303 INFO L87 Difference]: Start difference. First operand 937 states and 1393 transitions. Second operand has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 0 states have call successors, (0), 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 03:52:02,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:02,370 INFO L93 Difference]: Finished difference Result 1836 states and 2730 transitions. [2024-11-07 03:52:02,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 03:52:02,371 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 0 states have call successors, (0), 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 147 [2024-11-07 03:52:02,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:02,374 INFO L225 Difference]: With dead ends: 1836 [2024-11-07 03:52:02,375 INFO L226 Difference]: Without dead ends: 953 [2024-11-07 03:52:02,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 03:52:02,376 INFO L432 NwaCegarLoop]: 1071 mSDtfsCounter, 6 mSDsluCounter, 3204 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4275 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:02,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4275 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 03:52:02,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2024-11-07 03:52:02,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 949. [2024-11-07 03:52:02,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 949 states, 948 states have (on average 1.4862869198312236) internal successors, (1409), 948 states have internal predecessors, (1409), 0 states have call successors, (0), 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 03:52:02,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1409 transitions. [2024-11-07 03:52:02,397 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1409 transitions. Word has length 147 [2024-11-07 03:52:02,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:02,398 INFO L471 AbstractCegarLoop]: Abstraction has 949 states and 1409 transitions. [2024-11-07 03:52:02,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 0 states have call successors, (0), 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 03:52:02,398 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1409 transitions. [2024-11-07 03:52:02,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-07 03:52:02,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:02,400 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:02,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 03:52:02,401 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:02,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:02,401 INFO L85 PathProgramCache]: Analyzing trace with hash -2089453864, now seen corresponding path program 1 times [2024-11-07 03:52:02,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:02,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76990778] [2024-11-07 03:52:02,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:02,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:03,092 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 03:52:03,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:03,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76990778] [2024-11-07 03:52:03,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76990778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:03,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:03,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 03:52:03,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7342108] [2024-11-07 03:52:03,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:03,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 03:52:03,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:03,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 03:52:03,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 03:52:03,094 INFO L87 Difference]: Start difference. First operand 949 states and 1409 transitions. Second operand has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 0 states have call successors, (0), 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 03:52:03,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:03,168 INFO L93 Difference]: Finished difference Result 1860 states and 2762 transitions. [2024-11-07 03:52:03,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 03:52:03,169 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 0 states have call successors, (0), 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 148 [2024-11-07 03:52:03,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:03,173 INFO L225 Difference]: With dead ends: 1860 [2024-11-07 03:52:03,173 INFO L226 Difference]: Without dead ends: 965 [2024-11-07 03:52:03,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 03:52:03,176 INFO L432 NwaCegarLoop]: 1071 mSDtfsCounter, 6 mSDsluCounter, 3204 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4275 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:03,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4275 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 03:52:03,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2024-11-07 03:52:03,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 961. [2024-11-07 03:52:03,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 961 states, 960 states have (on average 1.484375) internal successors, (1425), 960 states have internal predecessors, (1425), 0 states have call successors, (0), 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 03:52:03,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1425 transitions. [2024-11-07 03:52:03,202 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1425 transitions. Word has length 148 [2024-11-07 03:52:03,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:03,202 INFO L471 AbstractCegarLoop]: Abstraction has 961 states and 1425 transitions. [2024-11-07 03:52:03,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 0 states have call successors, (0), 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 03:52:03,203 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1425 transitions. [2024-11-07 03:52:03,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-07 03:52:03,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:03,205 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:03,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 03:52:03,206 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:03,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:03,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1527457361, now seen corresponding path program 1 times [2024-11-07 03:52:03,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:03,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375943589] [2024-11-07 03:52:03,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:03,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:03,966 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 03:52:03,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:03,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375943589] [2024-11-07 03:52:03,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375943589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:03,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:03,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 03:52:03,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014691527] [2024-11-07 03:52:03,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:03,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 03:52:03,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:03,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 03:52:03,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 03:52:03,970 INFO L87 Difference]: Start difference. First operand 961 states and 1425 transitions. Second operand has 7 states, 7 states have (on average 21.285714285714285) internal successors, (149), 7 states have internal predecessors, (149), 0 states have call successors, (0), 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 03:52:04,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:04,078 INFO L93 Difference]: Finished difference Result 1876 states and 2782 transitions. [2024-11-07 03:52:04,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 03:52:04,079 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.285714285714285) internal successors, (149), 7 states have internal predecessors, (149), 0 states have call successors, (0), 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 149 [2024-11-07 03:52:04,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:04,088 INFO L225 Difference]: With dead ends: 1876 [2024-11-07 03:52:04,088 INFO L226 Difference]: Without dead ends: 969 [2024-11-07 03:52:04,089 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 03:52:04,091 INFO L432 NwaCegarLoop]: 1069 mSDtfsCounter, 172 mSDsluCounter, 5330 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 6399 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:04,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 6399 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 03:52:04,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2024-11-07 03:52:04,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 968. [2024-11-07 03:52:04,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 968 states, 967 states have (on average 1.483971044467425) internal successors, (1435), 967 states have internal predecessors, (1435), 0 states have call successors, (0), 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 03:52:04,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 968 states and 1435 transitions. [2024-11-07 03:52:04,114 INFO L78 Accepts]: Start accepts. Automaton has 968 states and 1435 transitions. Word has length 149 [2024-11-07 03:52:04,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:04,115 INFO L471 AbstractCegarLoop]: Abstraction has 968 states and 1435 transitions. [2024-11-07 03:52:04,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.285714285714285) internal successors, (149), 7 states have internal predecessors, (149), 0 states have call successors, (0), 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 03:52:04,115 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1435 transitions. [2024-11-07 03:52:04,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-07 03:52:04,117 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:04,117 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:04,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 03:52:04,117 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:04,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:04,118 INFO L85 PathProgramCache]: Analyzing trace with hash -744191574, now seen corresponding path program 1 times [2024-11-07 03:52:04,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:04,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415847709] [2024-11-07 03:52:04,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:04,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:04,473 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 03:52:04,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:04,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415847709] [2024-11-07 03:52:04,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415847709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:04,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:04,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 03:52:04,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681990119] [2024-11-07 03:52:04,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:04,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 03:52:04,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:04,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 03:52:04,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 03:52:04,475 INFO L87 Difference]: Start difference. First operand 968 states and 1435 transitions. Second operand has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 0 states have call successors, (0), 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 03:52:04,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:04,554 INFO L93 Difference]: Finished difference Result 1900 states and 2817 transitions. [2024-11-07 03:52:04,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 03:52:04,555 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 0 states have call successors, (0), 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 149 [2024-11-07 03:52:04,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:04,559 INFO L225 Difference]: With dead ends: 1900 [2024-11-07 03:52:04,559 INFO L226 Difference]: Without dead ends: 986 [2024-11-07 03:52:04,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 03:52:04,560 INFO L432 NwaCegarLoop]: 1074 mSDtfsCounter, 16 mSDsluCounter, 3210 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 4284 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:04,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 4284 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 03:52:04,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2024-11-07 03:52:04,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 986. [2024-11-07 03:52:04,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 985 states have (on average 1.483248730964467) internal successors, (1461), 985 states have internal predecessors, (1461), 0 states have call successors, (0), 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 03:52:04,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1461 transitions. [2024-11-07 03:52:04,581 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1461 transitions. Word has length 149 [2024-11-07 03:52:04,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:04,581 INFO L471 AbstractCegarLoop]: Abstraction has 986 states and 1461 transitions. [2024-11-07 03:52:04,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 0 states have call successors, (0), 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 03:52:04,581 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1461 transitions. [2024-11-07 03:52:04,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-07 03:52:04,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:04,583 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:04,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 03:52:04,583 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:04,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:04,584 INFO L85 PathProgramCache]: Analyzing trace with hash -971648553, now seen corresponding path program 1 times [2024-11-07 03:52:04,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:04,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208005605] [2024-11-07 03:52:04,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:04,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:05,235 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 03:52:05,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:05,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208005605] [2024-11-07 03:52:05,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208005605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:05,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:05,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 03:52:05,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870279125] [2024-11-07 03:52:05,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:05,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 03:52:05,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:05,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 03:52:05,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 03:52:05,237 INFO L87 Difference]: Start difference. First operand 986 states and 1461 transitions. Second operand has 6 states, 6 states have (on average 25.0) internal successors, (150), 6 states have internal predecessors, (150), 0 states have call successors, (0), 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 03:52:05,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:05,333 INFO L93 Difference]: Finished difference Result 1920 states and 2845 transitions. [2024-11-07 03:52:05,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 03:52:05,333 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.0) internal successors, (150), 6 states have internal predecessors, (150), 0 states have call successors, (0), 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 150 [2024-11-07 03:52:05,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:05,338 INFO L225 Difference]: With dead ends: 1920 [2024-11-07 03:52:05,338 INFO L226 Difference]: Without dead ends: 988 [2024-11-07 03:52:05,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-07 03:52:05,340 INFO L432 NwaCegarLoop]: 1072 mSDtfsCounter, 1047 mSDsluCounter, 3200 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1047 SdHoareTripleChecker+Valid, 4272 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:05,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1047 Valid, 4272 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 03:52:05,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2024-11-07 03:52:05,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 988. [2024-11-07 03:52:05,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 988 states, 987 states have (on average 1.4822695035460993) internal successors, (1463), 987 states have internal predecessors, (1463), 0 states have call successors, (0), 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 03:52:05,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 988 states and 1463 transitions. [2024-11-07 03:52:05,363 INFO L78 Accepts]: Start accepts. Automaton has 988 states and 1463 transitions. Word has length 150 [2024-11-07 03:52:05,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:05,363 INFO L471 AbstractCegarLoop]: Abstraction has 988 states and 1463 transitions. [2024-11-07 03:52:05,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.0) internal successors, (150), 6 states have internal predecessors, (150), 0 states have call successors, (0), 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 03:52:05,363 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1463 transitions. [2024-11-07 03:52:05,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-07 03:52:05,365 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:05,365 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:05,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 03:52:05,366 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:05,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:05,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1293790685, now seen corresponding path program 1 times [2024-11-07 03:52:05,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:05,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078846055] [2024-11-07 03:52:05,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:05,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:06,367 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 03:52:06,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:06,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078846055] [2024-11-07 03:52:06,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078846055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:06,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:06,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 03:52:06,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484460227] [2024-11-07 03:52:06,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:06,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 03:52:06,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:06,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 03:52:06,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 03:52:06,369 INFO L87 Difference]: Start difference. First operand 988 states and 1463 transitions. Second operand has 8 states, 8 states have (on average 18.875) internal successors, (151), 8 states have internal predecessors, (151), 0 states have call successors, (0), 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 03:52:06,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:06,519 INFO L93 Difference]: Finished difference Result 1940 states and 2873 transitions. [2024-11-07 03:52:06,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 03:52:06,520 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 18.875) internal successors, (151), 8 states have internal predecessors, (151), 0 states have call successors, (0), 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 151 [2024-11-07 03:52:06,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:06,524 INFO L225 Difference]: With dead ends: 1940 [2024-11-07 03:52:06,524 INFO L226 Difference]: Without dead ends: 1006 [2024-11-07 03:52:06,525 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-07 03:52:06,526 INFO L432 NwaCegarLoop]: 1070 mSDtfsCounter, 1052 mSDsluCounter, 5326 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1052 SdHoareTripleChecker+Valid, 6396 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:06,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1052 Valid, 6396 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 03:52:06,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1006 states. [2024-11-07 03:52:06,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1006 to 1002. [2024-11-07 03:52:06,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1002 states, 1001 states have (on average 1.4815184815184814) internal successors, (1483), 1001 states have internal predecessors, (1483), 0 states have call successors, (0), 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 03:52:06,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1483 transitions. [2024-11-07 03:52:06,551 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1483 transitions. Word has length 151 [2024-11-07 03:52:06,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:06,552 INFO L471 AbstractCegarLoop]: Abstraction has 1002 states and 1483 transitions. [2024-11-07 03:52:06,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.875) internal successors, (151), 8 states have internal predecessors, (151), 0 states have call successors, (0), 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 03:52:06,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1483 transitions. [2024-11-07 03:52:06,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-07 03:52:06,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:06,555 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:06,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 03:52:06,555 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:06,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:06,556 INFO L85 PathProgramCache]: Analyzing trace with hash -492666091, now seen corresponding path program 1 times [2024-11-07 03:52:06,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:06,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376500625] [2024-11-07 03:52:06,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:06,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:06,913 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 03:52:06,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:06,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376500625] [2024-11-07 03:52:06,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376500625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:06,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:06,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 03:52:06,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146321168] [2024-11-07 03:52:06,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:06,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 03:52:06,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:06,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 03:52:06,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 03:52:06,916 INFO L87 Difference]: Start difference. First operand 1002 states and 1483 transitions. Second operand has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 0 states have call successors, (0), 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 03:52:06,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:06,966 INFO L93 Difference]: Finished difference Result 1970 states and 2916 transitions. [2024-11-07 03:52:06,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 03:52:06,967 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 0 states have call successors, (0), 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 151 [2024-11-07 03:52:06,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:06,972 INFO L225 Difference]: With dead ends: 1970 [2024-11-07 03:52:06,972 INFO L226 Difference]: Without dead ends: 1022 [2024-11-07 03:52:06,973 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 03:52:06,974 INFO L432 NwaCegarLoop]: 1074 mSDtfsCounter, 8 mSDsluCounter, 3210 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 4284 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:06,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 4284 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 03:52:06,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2024-11-07 03:52:06,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 1022. [2024-11-07 03:52:06,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1022 states, 1021 states have (on average 1.4799216454456414) internal successors, (1511), 1021 states have internal predecessors, (1511), 0 states have call successors, (0), 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 03:52:07,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1511 transitions. [2024-11-07 03:52:07,003 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1511 transitions. Word has length 151 [2024-11-07 03:52:07,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:07,003 INFO L471 AbstractCegarLoop]: Abstraction has 1022 states and 1511 transitions. [2024-11-07 03:52:07,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 0 states have call successors, (0), 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 03:52:07,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1511 transitions. [2024-11-07 03:52:07,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-07 03:52:07,005 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:07,006 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:07,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 03:52:07,006 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:07,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:07,007 INFO L85 PathProgramCache]: Analyzing trace with hash -598317342, now seen corresponding path program 1 times [2024-11-07 03:52:07,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:07,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265902] [2024-11-07 03:52:07,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:07,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:08,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 03:52:08,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:08,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265902] [2024-11-07 03:52:08,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:08,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:08,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 03:52:08,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120867317] [2024-11-07 03:52:08,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:08,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 03:52:08,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:08,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 03:52:08,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-07 03:52:08,353 INFO L87 Difference]: Start difference. First operand 1022 states and 1511 transitions. Second operand has 12 states, 12 states have (on average 12.666666666666666) internal successors, (152), 12 states have internal predecessors, (152), 0 states have call successors, (0), 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 03:52:08,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:08,544 INFO L93 Difference]: Finished difference Result 2216 states and 3274 transitions. [2024-11-07 03:52:08,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 03:52:08,545 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 12.666666666666666) internal successors, (152), 12 states have internal predecessors, (152), 0 states have call successors, (0), 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 152 [2024-11-07 03:52:08,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:08,550 INFO L225 Difference]: With dead ends: 2216 [2024-11-07 03:52:08,550 INFO L226 Difference]: Without dead ends: 1248 [2024-11-07 03:52:08,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-07 03:52:08,553 INFO L432 NwaCegarLoop]: 1061 mSDtfsCounter, 191 mSDsluCounter, 8464 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 9525 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:08,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 9525 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 03:52:08,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2024-11-07 03:52:08,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1243. [2024-11-07 03:52:08,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1243 states, 1242 states have (on average 1.4774557165861513) internal successors, (1835), 1242 states have internal predecessors, (1835), 0 states have call successors, (0), 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 03:52:08,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 1835 transitions. [2024-11-07 03:52:08,579 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 1835 transitions. Word has length 152 [2024-11-07 03:52:08,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:08,580 INFO L471 AbstractCegarLoop]: Abstraction has 1243 states and 1835 transitions. [2024-11-07 03:52:08,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.666666666666666) internal successors, (152), 12 states have internal predecessors, (152), 0 states have call successors, (0), 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 03:52:08,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1835 transitions. [2024-11-07 03:52:08,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-07 03:52:08,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:08,584 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:08,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 03:52:08,585 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:08,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:08,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1301691332, now seen corresponding path program 1 times [2024-11-07 03:52:08,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:08,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185943645] [2024-11-07 03:52:08,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:08,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:08,919 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 03:52:08,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:08,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185943645] [2024-11-07 03:52:08,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185943645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:08,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:08,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 03:52:08,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288024279] [2024-11-07 03:52:08,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:08,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 03:52:08,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:08,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 03:52:08,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 03:52:08,922 INFO L87 Difference]: Start difference. First operand 1243 states and 1835 transitions. Second operand has 5 states, 5 states have (on average 30.4) internal successors, (152), 5 states have internal predecessors, (152), 0 states have call successors, (0), 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 03:52:08,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:08,976 INFO L93 Difference]: Finished difference Result 2516 states and 3713 transitions. [2024-11-07 03:52:08,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 03:52:08,977 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 5 states have internal predecessors, (152), 0 states have call successors, (0), 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 152 [2024-11-07 03:52:08,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:08,983 INFO L225 Difference]: With dead ends: 2516 [2024-11-07 03:52:08,983 INFO L226 Difference]: Without dead ends: 1327 [2024-11-07 03:52:08,986 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 03:52:08,987 INFO L432 NwaCegarLoop]: 1074 mSDtfsCounter, 19 mSDsluCounter, 3210 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 4284 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:08,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 4284 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 03:52:08,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1327 states. [2024-11-07 03:52:09,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1327 to 1327. [2024-11-07 03:52:09,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1327 states, 1326 states have (on average 1.4743589743589745) internal successors, (1955), 1326 states have internal predecessors, (1955), 0 states have call successors, (0), 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 03:52:09,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1327 states and 1955 transitions. [2024-11-07 03:52:09,017 INFO L78 Accepts]: Start accepts. Automaton has 1327 states and 1955 transitions. Word has length 152 [2024-11-07 03:52:09,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:09,017 INFO L471 AbstractCegarLoop]: Abstraction has 1327 states and 1955 transitions. [2024-11-07 03:52:09,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 5 states have internal predecessors, (152), 0 states have call successors, (0), 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 03:52:09,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1955 transitions. [2024-11-07 03:52:09,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-07 03:52:09,020 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:09,021 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:09,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 03:52:09,021 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:09,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:09,021 INFO L85 PathProgramCache]: Analyzing trace with hash -459080733, now seen corresponding path program 1 times [2024-11-07 03:52:09,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:09,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533389329] [2024-11-07 03:52:09,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:09,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:09,680 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 03:52:09,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:09,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533389329] [2024-11-07 03:52:09,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533389329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:09,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:09,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 03:52:09,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550957325] [2024-11-07 03:52:09,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:09,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 03:52:09,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:09,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 03:52:09,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 03:52:09,685 INFO L87 Difference]: Start difference. First operand 1327 states and 1955 transitions. Second operand has 6 states, 6 states have (on average 25.5) internal successors, (153), 6 states have internal predecessors, (153), 0 states have call successors, (0), 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 03:52:09,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:09,859 INFO L93 Difference]: Finished difference Result 3052 states and 4491 transitions. [2024-11-07 03:52:09,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 03:52:09,860 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.5) internal successors, (153), 6 states have internal predecessors, (153), 0 states have call successors, (0), 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 153 [2024-11-07 03:52:09,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:09,867 INFO L225 Difference]: With dead ends: 3052 [2024-11-07 03:52:09,867 INFO L226 Difference]: Without dead ends: 1779 [2024-11-07 03:52:09,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-07 03:52:09,871 INFO L432 NwaCegarLoop]: 1063 mSDtfsCounter, 2133 mSDsluCounter, 3178 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2133 SdHoareTripleChecker+Valid, 4241 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:09,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2133 Valid, 4241 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 03:52:09,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1779 states. [2024-11-07 03:52:09,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1779 to 1331. [2024-11-07 03:52:09,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1331 states, 1330 states have (on average 1.474436090225564) internal successors, (1961), 1330 states have internal predecessors, (1961), 0 states have call successors, (0), 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 03:52:09,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1331 states and 1961 transitions. [2024-11-07 03:52:09,910 INFO L78 Accepts]: Start accepts. Automaton has 1331 states and 1961 transitions. Word has length 153 [2024-11-07 03:52:09,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:09,910 INFO L471 AbstractCegarLoop]: Abstraction has 1331 states and 1961 transitions. [2024-11-07 03:52:09,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.5) internal successors, (153), 6 states have internal predecessors, (153), 0 states have call successors, (0), 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 03:52:09,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1961 transitions. [2024-11-07 03:52:09,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-07 03:52:09,913 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:09,913 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:09,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 03:52:09,914 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:09,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:09,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1915322745, now seen corresponding path program 1 times [2024-11-07 03:52:09,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:09,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904176338] [2024-11-07 03:52:09,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:09,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:10,270 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 03:52:10,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:10,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904176338] [2024-11-07 03:52:10,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904176338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:10,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:10,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 03:52:10,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588763494] [2024-11-07 03:52:10,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:10,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 03:52:10,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:10,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 03:52:10,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 03:52:10,273 INFO L87 Difference]: Start difference. First operand 1331 states and 1961 transitions. Second operand has 6 states, 6 states have (on average 25.5) internal successors, (153), 6 states have internal predecessors, (153), 0 states have call successors, (0), 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 03:52:10,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:10,326 INFO L93 Difference]: Finished difference Result 2638 states and 3887 transitions. [2024-11-07 03:52:10,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 03:52:10,327 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.5) internal successors, (153), 6 states have internal predecessors, (153), 0 states have call successors, (0), 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 153 [2024-11-07 03:52:10,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:10,332 INFO L225 Difference]: With dead ends: 2638 [2024-11-07 03:52:10,332 INFO L226 Difference]: Without dead ends: 1361 [2024-11-07 03:52:10,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 03:52:10,335 INFO L432 NwaCegarLoop]: 1074 mSDtfsCounter, 8 mSDsluCounter, 3210 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 4284 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:10,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 4284 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 03:52:10,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1361 states. [2024-11-07 03:52:10,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1361 to 1361. [2024-11-07 03:52:10,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1361 states, 1360 states have (on average 1.472794117647059) internal successors, (2003), 1360 states have internal predecessors, (2003), 0 states have call successors, (0), 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 03:52:10,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1361 states and 2003 transitions. [2024-11-07 03:52:10,364 INFO L78 Accepts]: Start accepts. Automaton has 1361 states and 2003 transitions. Word has length 153 [2024-11-07 03:52:10,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:10,364 INFO L471 AbstractCegarLoop]: Abstraction has 1361 states and 2003 transitions. [2024-11-07 03:52:10,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.5) internal successors, (153), 6 states have internal predecessors, (153), 0 states have call successors, (0), 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 03:52:10,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 2003 transitions. [2024-11-07 03:52:10,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-07 03:52:10,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:10,367 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:10,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 03:52:10,368 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:10,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:10,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1931351729, now seen corresponding path program 1 times [2024-11-07 03:52:10,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:10,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019951863] [2024-11-07 03:52:10,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:10,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:10,690 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 03:52:10,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:10,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019951863] [2024-11-07 03:52:10,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019951863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:10,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:10,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 03:52:10,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233790567] [2024-11-07 03:52:10,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:10,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 03:52:10,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:10,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 03:52:10,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 03:52:10,692 INFO L87 Difference]: Start difference. First operand 1361 states and 2003 transitions. Second operand has 5 states, 5 states have (on average 30.8) internal successors, (154), 5 states have internal predecessors, (154), 0 states have call successors, (0), 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 03:52:10,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:10,742 INFO L93 Difference]: Finished difference Result 2752 states and 4049 transitions. [2024-11-07 03:52:10,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 03:52:10,742 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.8) internal successors, (154), 5 states have internal predecessors, (154), 0 states have call successors, (0), 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 154 [2024-11-07 03:52:10,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:10,748 INFO L225 Difference]: With dead ends: 2752 [2024-11-07 03:52:10,748 INFO L226 Difference]: Without dead ends: 1445 [2024-11-07 03:52:10,750 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 03:52:10,750 INFO L432 NwaCegarLoop]: 1074 mSDtfsCounter, 19 mSDsluCounter, 3210 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 4284 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:10,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 4284 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 03:52:10,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2024-11-07 03:52:10,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1445. [2024-11-07 03:52:10,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1445 states, 1444 states have (on average 1.4702216066481995) internal successors, (2123), 1444 states have internal predecessors, (2123), 0 states have call successors, (0), 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 03:52:10,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 2123 transitions. [2024-11-07 03:52:10,779 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 2123 transitions. Word has length 154 [2024-11-07 03:52:10,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:10,780 INFO L471 AbstractCegarLoop]: Abstraction has 1445 states and 2123 transitions. [2024-11-07 03:52:10,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.8) internal successors, (154), 5 states have internal predecessors, (154), 0 states have call successors, (0), 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 03:52:10,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 2123 transitions. [2024-11-07 03:52:10,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-07 03:52:10,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:10,783 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:10,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 03:52:10,783 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:10,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:10,784 INFO L85 PathProgramCache]: Analyzing trace with hash -393665314, now seen corresponding path program 1 times [2024-11-07 03:52:10,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:10,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41681020] [2024-11-07 03:52:10,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:10,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:11,243 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 03:52:11,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:11,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41681020] [2024-11-07 03:52:11,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41681020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:11,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:11,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 03:52:11,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419352430] [2024-11-07 03:52:11,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:11,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 03:52:11,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:11,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 03:52:11,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 03:52:11,245 INFO L87 Difference]: Start difference. First operand 1445 states and 2123 transitions. Second operand has 5 states, 5 states have (on average 30.8) internal successors, (154), 5 states have internal predecessors, (154), 0 states have call successors, (0), 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 03:52:11,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:11,482 INFO L93 Difference]: Finished difference Result 3879 states and 5687 transitions. [2024-11-07 03:52:11,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 03:52:11,482 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.8) internal successors, (154), 5 states have internal predecessors, (154), 0 states have call successors, (0), 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 154 [2024-11-07 03:52:11,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:11,492 INFO L225 Difference]: With dead ends: 3879 [2024-11-07 03:52:11,492 INFO L226 Difference]: Without dead ends: 2488 [2024-11-07 03:52:11,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 03:52:11,495 INFO L432 NwaCegarLoop]: 1046 mSDtfsCounter, 526 mSDsluCounter, 2995 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 4041 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:11,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 4041 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 03:52:11,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2488 states. [2024-11-07 03:52:11,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2488 to 1448. [2024-11-07 03:52:11,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1448 states, 1447 states have (on average 1.469937802349689) internal successors, (2127), 1447 states have internal predecessors, (2127), 0 states have call successors, (0), 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 03:52:11,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 1448 states and 2127 transitions. [2024-11-07 03:52:11,542 INFO L78 Accepts]: Start accepts. Automaton has 1448 states and 2127 transitions. Word has length 154 [2024-11-07 03:52:11,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:11,542 INFO L471 AbstractCegarLoop]: Abstraction has 1448 states and 2127 transitions. [2024-11-07 03:52:11,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.8) internal successors, (154), 5 states have internal predecessors, (154), 0 states have call successors, (0), 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 03:52:11,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1448 states and 2127 transitions. [2024-11-07 03:52:11,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-07 03:52:11,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:11,549 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:11,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 03:52:11,549 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:11,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:11,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1593628299, now seen corresponding path program 1 times [2024-11-07 03:52:11,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:11,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992059969] [2024-11-07 03:52:11,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:11,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:11,930 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 03:52:11,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:11,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992059969] [2024-11-07 03:52:11,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992059969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:11,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:11,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 03:52:11,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036350156] [2024-11-07 03:52:11,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:11,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 03:52:11,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:11,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 03:52:11,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 03:52:11,934 INFO L87 Difference]: Start difference. First operand 1448 states and 2127 transitions. Second operand has 6 states, 6 states have (on average 25.833333333333332) internal successors, (155), 6 states have internal predecessors, (155), 0 states have call successors, (0), 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 03:52:11,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:11,992 INFO L93 Difference]: Finished difference Result 2869 states and 4215 transitions. [2024-11-07 03:52:11,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 03:52:11,993 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.833333333333332) internal successors, (155), 6 states have internal predecessors, (155), 0 states have call successors, (0), 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 155 [2024-11-07 03:52:11,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:11,999 INFO L225 Difference]: With dead ends: 2869 [2024-11-07 03:52:11,999 INFO L226 Difference]: Without dead ends: 1478 [2024-11-07 03:52:12,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 03:52:12,004 INFO L432 NwaCegarLoop]: 1074 mSDtfsCounter, 8 mSDsluCounter, 3210 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 4284 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:12,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 4284 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 03:52:12,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2024-11-07 03:52:12,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1478. [2024-11-07 03:52:12,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1478 states, 1477 states have (on average 1.4685172647257956) internal successors, (2169), 1477 states have internal predecessors, (2169), 0 states have call successors, (0), 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 03:52:12,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 2169 transitions. [2024-11-07 03:52:12,045 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 2169 transitions. Word has length 155 [2024-11-07 03:52:12,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:12,045 INFO L471 AbstractCegarLoop]: Abstraction has 1478 states and 2169 transitions. [2024-11-07 03:52:12,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.833333333333332) internal successors, (155), 6 states have internal predecessors, (155), 0 states have call successors, (0), 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 03:52:12,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 2169 transitions. [2024-11-07 03:52:12,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-07 03:52:12,049 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:12,049 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:12,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 03:52:12,049 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:12,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:12,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1240197792, now seen corresponding path program 1 times [2024-11-07 03:52:12,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:12,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193298312] [2024-11-07 03:52:12,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:12,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:12,676 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 03:52:12,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:12,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193298312] [2024-11-07 03:52:12,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193298312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:12,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:12,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 03:52:12,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543319881] [2024-11-07 03:52:12,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:12,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 03:52:12,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:12,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 03:52:12,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 03:52:12,680 INFO L87 Difference]: Start difference. First operand 1478 states and 2169 transitions. Second operand has 5 states, 5 states have (on average 31.0) internal successors, (155), 5 states have internal predecessors, (155), 0 states have call successors, (0), 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 03:52:12,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:12,799 INFO L93 Difference]: Finished difference Result 3341 states and 4896 transitions. [2024-11-07 03:52:12,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 03:52:12,800 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.0) internal successors, (155), 5 states have internal predecessors, (155), 0 states have call successors, (0), 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 155 [2024-11-07 03:52:12,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:12,810 INFO L225 Difference]: With dead ends: 3341 [2024-11-07 03:52:12,810 INFO L226 Difference]: Without dead ends: 1919 [2024-11-07 03:52:12,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 03:52:12,814 INFO L432 NwaCegarLoop]: 1064 mSDtfsCounter, 514 mSDsluCounter, 3104 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 4168 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:12,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 4168 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 03:52:12,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1919 states. [2024-11-07 03:52:12,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1919 to 1477. [2024-11-07 03:52:12,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1477 states, 1476 states have (on average 1.4681571815718157) internal successors, (2167), 1476 states have internal predecessors, (2167), 0 states have call successors, (0), 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 03:52:12,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 1477 states and 2167 transitions. [2024-11-07 03:52:12,845 INFO L78 Accepts]: Start accepts. Automaton has 1477 states and 2167 transitions. Word has length 155 [2024-11-07 03:52:12,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:12,845 INFO L471 AbstractCegarLoop]: Abstraction has 1477 states and 2167 transitions. [2024-11-07 03:52:12,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.0) internal successors, (155), 5 states have internal predecessors, (155), 0 states have call successors, (0), 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 03:52:12,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 2167 transitions. [2024-11-07 03:52:12,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-07 03:52:12,848 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:12,848 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:12,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 03:52:12,848 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:12,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:12,848 INFO L85 PathProgramCache]: Analyzing trace with hash 800476028, now seen corresponding path program 1 times [2024-11-07 03:52:12,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:12,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986006426] [2024-11-07 03:52:12,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:12,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:13,169 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 03:52:13,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:13,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986006426] [2024-11-07 03:52:13,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986006426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:13,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:13,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 03:52:13,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365789080] [2024-11-07 03:52:13,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:13,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 03:52:13,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:13,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 03:52:13,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 03:52:13,172 INFO L87 Difference]: Start difference. First operand 1477 states and 2167 transitions. Second operand has 5 states, 5 states have (on average 31.2) internal successors, (156), 5 states have internal predecessors, (156), 0 states have call successors, (0), 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 03:52:13,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:13,218 INFO L93 Difference]: Finished difference Result 2982 states and 4375 transitions. [2024-11-07 03:52:13,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 03:52:13,218 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 5 states have internal predecessors, (156), 0 states have call successors, (0), 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 156 [2024-11-07 03:52:13,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:13,224 INFO L225 Difference]: With dead ends: 2982 [2024-11-07 03:52:13,227 INFO L226 Difference]: Without dead ends: 1561 [2024-11-07 03:52:13,229 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 03:52:13,231 INFO L432 NwaCegarLoop]: 1074 mSDtfsCounter, 19 mSDsluCounter, 3210 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 4284 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:13,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 4284 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 03:52:13,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1561 states. [2024-11-07 03:52:13,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1561 to 1561. [2024-11-07 03:52:13,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1561 states, 1560 states have (on average 1.466025641025641) internal successors, (2287), 1560 states have internal predecessors, (2287), 0 states have call successors, (0), 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 03:52:13,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 1561 states and 2287 transitions. [2024-11-07 03:52:13,259 INFO L78 Accepts]: Start accepts. Automaton has 1561 states and 2287 transitions. Word has length 156 [2024-11-07 03:52:13,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:13,259 INFO L471 AbstractCegarLoop]: Abstraction has 1561 states and 2287 transitions. [2024-11-07 03:52:13,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 5 states have internal predecessors, (156), 0 states have call successors, (0), 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 03:52:13,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1561 states and 2287 transitions. [2024-11-07 03:52:13,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-07 03:52:13,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:13,262 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:13,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-07 03:52:13,263 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:13,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:13,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1792794919, now seen corresponding path program 1 times [2024-11-07 03:52:13,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:13,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112506537] [2024-11-07 03:52:13,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:13,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:13,603 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 03:52:13,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:13,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112506537] [2024-11-07 03:52:13,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112506537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:13,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:13,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 03:52:13,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772896737] [2024-11-07 03:52:13,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:13,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 03:52:13,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:13,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 03:52:13,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 03:52:13,605 INFO L87 Difference]: Start difference. First operand 1561 states and 2287 transitions. Second operand has 6 states, 6 states have (on average 26.166666666666668) internal successors, (157), 6 states have internal predecessors, (157), 0 states have call successors, (0), 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 03:52:13,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:13,652 INFO L93 Difference]: Finished difference Result 3096 states and 4537 transitions. [2024-11-07 03:52:13,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 03:52:13,652 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.166666666666668) internal successors, (157), 6 states have internal predecessors, (157), 0 states have call successors, (0), 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 157 [2024-11-07 03:52:13,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:13,656 INFO L225 Difference]: With dead ends: 3096 [2024-11-07 03:52:13,656 INFO L226 Difference]: Without dead ends: 1591 [2024-11-07 03:52:13,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 03:52:13,659 INFO L432 NwaCegarLoop]: 1074 mSDtfsCounter, 8 mSDsluCounter, 3210 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 4284 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:13,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 4284 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 03:52:13,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1591 states. [2024-11-07 03:52:13,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1591 to 1591. [2024-11-07 03:52:13,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1591 states, 1590 states have (on average 1.4647798742138365) internal successors, (2329), 1590 states have internal predecessors, (2329), 0 states have call successors, (0), 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 03:52:13,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1591 states and 2329 transitions. [2024-11-07 03:52:13,688 INFO L78 Accepts]: Start accepts. Automaton has 1591 states and 2329 transitions. Word has length 157 [2024-11-07 03:52:13,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:13,688 INFO L471 AbstractCegarLoop]: Abstraction has 1591 states and 2329 transitions. [2024-11-07 03:52:13,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.166666666666668) internal successors, (157), 6 states have internal predecessors, (157), 0 states have call successors, (0), 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 03:52:13,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 2329 transitions. [2024-11-07 03:52:13,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-07 03:52:13,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:13,690 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:13,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-07 03:52:13,691 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:13,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:13,691 INFO L85 PathProgramCache]: Analyzing trace with hash 774506417, now seen corresponding path program 1 times [2024-11-07 03:52:13,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:13,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563161388] [2024-11-07 03:52:13,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:13,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:13,989 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 03:52:13,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:13,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563161388] [2024-11-07 03:52:13,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563161388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:13,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:13,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 03:52:13,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838625419] [2024-11-07 03:52:13,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:13,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 03:52:13,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:13,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 03:52:13,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 03:52:13,992 INFO L87 Difference]: Start difference. First operand 1591 states and 2329 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 5 states have internal predecessors, (158), 0 states have call successors, (0), 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 03:52:14,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:14,037 INFO L93 Difference]: Finished difference Result 3210 states and 4699 transitions. [2024-11-07 03:52:14,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 03:52:14,038 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 5 states have internal predecessors, (158), 0 states have call successors, (0), 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 158 [2024-11-07 03:52:14,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:14,045 INFO L225 Difference]: With dead ends: 3210 [2024-11-07 03:52:14,045 INFO L226 Difference]: Without dead ends: 1675 [2024-11-07 03:52:14,047 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 03:52:14,047 INFO L432 NwaCegarLoop]: 1074 mSDtfsCounter, 19 mSDsluCounter, 3210 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 4284 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:14,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 4284 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 03:52:14,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2024-11-07 03:52:14,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1675. [2024-11-07 03:52:14,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1675 states, 1674 states have (on average 1.462962962962963) internal successors, (2449), 1674 states have internal predecessors, (2449), 0 states have call successors, (0), 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 03:52:14,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1675 states and 2449 transitions. [2024-11-07 03:52:14,110 INFO L78 Accepts]: Start accepts. Automaton has 1675 states and 2449 transitions. Word has length 158 [2024-11-07 03:52:14,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:14,111 INFO L471 AbstractCegarLoop]: Abstraction has 1675 states and 2449 transitions. [2024-11-07 03:52:14,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 5 states have internal predecessors, (158), 0 states have call successors, (0), 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 03:52:14,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 2449 transitions. [2024-11-07 03:52:14,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-07 03:52:14,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:14,113 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:14,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-07 03:52:14,113 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:14,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:14,114 INFO L85 PathProgramCache]: Analyzing trace with hash 701579221, now seen corresponding path program 1 times [2024-11-07 03:52:14,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:14,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579245164] [2024-11-07 03:52:14,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:14,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:14,643 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 03:52:14,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:14,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579245164] [2024-11-07 03:52:14,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579245164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:14,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:14,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 03:52:14,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644156912] [2024-11-07 03:52:14,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:14,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 03:52:14,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:14,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 03:52:14,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 03:52:14,645 INFO L87 Difference]: Start difference. First operand 1675 states and 2449 transitions. Second operand has 6 states, 6 states have (on average 26.5) internal successors, (159), 6 states have internal predecessors, (159), 0 states have call successors, (0), 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 03:52:14,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:14,711 INFO L93 Difference]: Finished difference Result 3324 states and 4861 transitions. [2024-11-07 03:52:14,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 03:52:14,711 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.5) internal successors, (159), 6 states have internal predecessors, (159), 0 states have call successors, (0), 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 159 [2024-11-07 03:52:14,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:14,715 INFO L225 Difference]: With dead ends: 3324 [2024-11-07 03:52:14,715 INFO L226 Difference]: Without dead ends: 1705 [2024-11-07 03:52:14,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 03:52:14,718 INFO L432 NwaCegarLoop]: 1071 mSDtfsCounter, 1 mSDsluCounter, 4268 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5339 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:14,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5339 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 03:52:14,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2024-11-07 03:52:14,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1693. [2024-11-07 03:52:14,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1693 states, 1692 states have (on average 1.4615839243498818) internal successors, (2473), 1692 states have internal predecessors, (2473), 0 states have call successors, (0), 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 03:52:14,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1693 states and 2473 transitions. [2024-11-07 03:52:14,751 INFO L78 Accepts]: Start accepts. Automaton has 1693 states and 2473 transitions. Word has length 159 [2024-11-07 03:52:14,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:14,752 INFO L471 AbstractCegarLoop]: Abstraction has 1693 states and 2473 transitions. [2024-11-07 03:52:14,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.5) internal successors, (159), 6 states have internal predecessors, (159), 0 states have call successors, (0), 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 03:52:14,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 2473 transitions. [2024-11-07 03:52:14,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-07 03:52:14,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:14,754 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:14,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-07 03:52:14,754 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:14,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:14,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1463394073, now seen corresponding path program 1 times [2024-11-07 03:52:14,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:14,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856287181] [2024-11-07 03:52:14,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:14,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:15,360 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 03:52:15,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:15,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856287181] [2024-11-07 03:52:15,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856287181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:15,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:15,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 03:52:15,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146115523] [2024-11-07 03:52:15,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:15,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 03:52:15,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:15,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 03:52:15,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-07 03:52:15,363 INFO L87 Difference]: Start difference. First operand 1693 states and 2473 transitions. Second operand has 7 states, 7 states have (on average 22.857142857142858) internal successors, (160), 7 states have internal predecessors, (160), 0 states have call successors, (0), 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 03:52:15,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:15,471 INFO L93 Difference]: Finished difference Result 3432 states and 5008 transitions. [2024-11-07 03:52:15,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 03:52:15,472 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.857142857142858) internal successors, (160), 7 states have internal predecessors, (160), 0 states have call successors, (0), 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 160 [2024-11-07 03:52:15,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:15,476 INFO L225 Difference]: With dead ends: 3432 [2024-11-07 03:52:15,476 INFO L226 Difference]: Without dead ends: 1795 [2024-11-07 03:52:15,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-07 03:52:15,479 INFO L432 NwaCegarLoop]: 1065 mSDtfsCounter, 1025 mSDsluCounter, 4242 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1025 SdHoareTripleChecker+Valid, 5307 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:15,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1025 Valid, 5307 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 03:52:15,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1795 states. [2024-11-07 03:52:15,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1795 to 1783. [2024-11-07 03:52:15,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1783 states, 1782 states have (on average 1.4551066217732884) internal successors, (2593), 1782 states have internal predecessors, (2593), 0 states have call successors, (0), 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 03:52:15,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1783 states and 2593 transitions. [2024-11-07 03:52:15,508 INFO L78 Accepts]: Start accepts. Automaton has 1783 states and 2593 transitions. Word has length 160 [2024-11-07 03:52:15,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:15,508 INFO L471 AbstractCegarLoop]: Abstraction has 1783 states and 2593 transitions. [2024-11-07 03:52:15,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.857142857142858) internal successors, (160), 7 states have internal predecessors, (160), 0 states have call successors, (0), 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 03:52:15,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 2593 transitions. [2024-11-07 03:52:15,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-07 03:52:15,511 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:15,511 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:15,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-07 03:52:15,512 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:15,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:15,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1445418606, now seen corresponding path program 1 times [2024-11-07 03:52:15,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:15,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624790600] [2024-11-07 03:52:15,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:15,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:15,925 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 03:52:15,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:15,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624790600] [2024-11-07 03:52:15,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624790600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:15,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:15,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 03:52:15,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936235028] [2024-11-07 03:52:15,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:15,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 03:52:15,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:15,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 03:52:15,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 03:52:15,928 INFO L87 Difference]: Start difference. First operand 1783 states and 2593 transitions. Second operand has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 6 states have internal predecessors, (160), 0 states have call successors, (0), 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 03:52:15,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:15,988 INFO L93 Difference]: Finished difference Result 3540 states and 5149 transitions. [2024-11-07 03:52:15,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 03:52:15,989 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 6 states have internal predecessors, (160), 0 states have call successors, (0), 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 160 [2024-11-07 03:52:15,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:15,994 INFO L225 Difference]: With dead ends: 3540 [2024-11-07 03:52:15,994 INFO L226 Difference]: Without dead ends: 1813 [2024-11-07 03:52:15,997 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 03:52:15,997 INFO L432 NwaCegarLoop]: 1071 mSDtfsCounter, 1 mSDsluCounter, 4268 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5339 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:15,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5339 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 03:52:16,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1813 states. [2024-11-07 03:52:16,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1813 to 1801. [2024-11-07 03:52:16,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1801 states, 1800 states have (on average 1.4538888888888888) internal successors, (2617), 1800 states have internal predecessors, (2617), 0 states have call successors, (0), 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 03:52:16,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1801 states to 1801 states and 2617 transitions. [2024-11-07 03:52:16,028 INFO L78 Accepts]: Start accepts. Automaton has 1801 states and 2617 transitions. Word has length 160 [2024-11-07 03:52:16,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:16,029 INFO L471 AbstractCegarLoop]: Abstraction has 1801 states and 2617 transitions. [2024-11-07 03:52:16,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 6 states have internal predecessors, (160), 0 states have call successors, (0), 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 03:52:16,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1801 states and 2617 transitions. [2024-11-07 03:52:16,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-07 03:52:16,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:16,031 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:16,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-07 03:52:16,031 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:16,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:16,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1528223665, now seen corresponding path program 1 times [2024-11-07 03:52:16,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:16,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124210327] [2024-11-07 03:52:16,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:16,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:16,659 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 03:52:16,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:16,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124210327] [2024-11-07 03:52:16,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124210327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:16,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:16,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 03:52:16,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028835979] [2024-11-07 03:52:16,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:16,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 03:52:16,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:16,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 03:52:16,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-07 03:52:16,660 INFO L87 Difference]: Start difference. First operand 1801 states and 2617 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 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 03:52:16,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:16,773 INFO L93 Difference]: Finished difference Result 3648 states and 5296 transitions. [2024-11-07 03:52:16,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 03:52:16,774 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 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 161 [2024-11-07 03:52:16,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:16,778 INFO L225 Difference]: With dead ends: 3648 [2024-11-07 03:52:16,778 INFO L226 Difference]: Without dead ends: 1903 [2024-11-07 03:52:16,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-07 03:52:16,782 INFO L432 NwaCegarLoop]: 1065 mSDtfsCounter, 1009 mSDsluCounter, 4240 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1009 SdHoareTripleChecker+Valid, 5305 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:16,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1009 Valid, 5305 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 03:52:16,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1903 states. [2024-11-07 03:52:16,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1903 to 1891. [2024-11-07 03:52:16,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1891 states, 1890 states have (on average 1.4481481481481482) internal successors, (2737), 1890 states have internal predecessors, (2737), 0 states have call successors, (0), 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 03:52:16,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1891 states to 1891 states and 2737 transitions. [2024-11-07 03:52:16,812 INFO L78 Accepts]: Start accepts. Automaton has 1891 states and 2737 transitions. Word has length 161 [2024-11-07 03:52:16,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:16,813 INFO L471 AbstractCegarLoop]: Abstraction has 1891 states and 2737 transitions. [2024-11-07 03:52:16,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 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 03:52:16,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1891 states and 2737 transitions. [2024-11-07 03:52:16,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-07 03:52:16,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:16,816 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:16,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-07 03:52:16,816 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:16,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:16,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1839700938, now seen corresponding path program 1 times [2024-11-07 03:52:16,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:16,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102545156] [2024-11-07 03:52:16,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:16,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:17,304 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 03:52:17,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:17,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102545156] [2024-11-07 03:52:17,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102545156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:17,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:17,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 03:52:17,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516693174] [2024-11-07 03:52:17,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:17,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 03:52:17,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:17,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 03:52:17,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 03:52:17,306 INFO L87 Difference]: Start difference. First operand 1891 states and 2737 transitions. Second operand has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 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 03:52:17,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:17,369 INFO L93 Difference]: Finished difference Result 3741 states and 5416 transitions. [2024-11-07 03:52:17,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 03:52:17,370 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 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 161 [2024-11-07 03:52:17,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:17,374 INFO L225 Difference]: With dead ends: 3741 [2024-11-07 03:52:17,374 INFO L226 Difference]: Without dead ends: 1906 [2024-11-07 03:52:17,377 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 03:52:17,378 INFO L432 NwaCegarLoop]: 1071 mSDtfsCounter, 1 mSDsluCounter, 4268 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5339 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:17,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5339 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 03:52:17,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1906 states. [2024-11-07 03:52:17,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1906 to 1906. [2024-11-07 03:52:17,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1906 states, 1905 states have (on average 1.4461942257217848) internal successors, (2755), 1905 states have internal predecessors, (2755), 0 states have call successors, (0), 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 03:52:17,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1906 states to 1906 states and 2755 transitions. [2024-11-07 03:52:17,406 INFO L78 Accepts]: Start accepts. Automaton has 1906 states and 2755 transitions. Word has length 161 [2024-11-07 03:52:17,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:17,407 INFO L471 AbstractCegarLoop]: Abstraction has 1906 states and 2755 transitions. [2024-11-07 03:52:17,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 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 03:52:17,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1906 states and 2755 transitions. [2024-11-07 03:52:17,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-07 03:52:17,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:17,409 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:17,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-07 03:52:17,409 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:17,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:17,410 INFO L85 PathProgramCache]: Analyzing trace with hash -253405697, now seen corresponding path program 1 times [2024-11-07 03:52:17,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:17,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917272220] [2024-11-07 03:52:17,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:17,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:18,007 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 03:52:18,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:18,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917272220] [2024-11-07 03:52:18,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917272220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:18,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:18,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 03:52:18,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869865020] [2024-11-07 03:52:18,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:18,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 03:52:18,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:18,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 03:52:18,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-07 03:52:18,009 INFO L87 Difference]: Start difference. First operand 1906 states and 2755 transitions. Second operand has 7 states, 7 states have (on average 23.142857142857142) internal successors, (162), 7 states have internal predecessors, (162), 0 states have call successors, (0), 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 03:52:18,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:18,117 INFO L93 Difference]: Finished difference Result 3798 states and 5488 transitions. [2024-11-07 03:52:18,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 03:52:18,118 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.142857142857142) internal successors, (162), 7 states have internal predecessors, (162), 0 states have call successors, (0), 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 162 [2024-11-07 03:52:18,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:18,122 INFO L225 Difference]: With dead ends: 3798 [2024-11-07 03:52:18,122 INFO L226 Difference]: Without dead ends: 1948 [2024-11-07 03:52:18,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-07 03:52:18,125 INFO L432 NwaCegarLoop]: 1065 mSDtfsCounter, 1040 mSDsluCounter, 4241 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1040 SdHoareTripleChecker+Valid, 5306 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:18,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1040 Valid, 5306 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 03:52:18,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1948 states. [2024-11-07 03:52:18,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1948 to 1948. [2024-11-07 03:52:18,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1948 states, 1947 states have (on average 1.4427324088341038) internal successors, (2809), 1947 states have internal predecessors, (2809), 0 states have call successors, (0), 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 03:52:18,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1948 states and 2809 transitions. [2024-11-07 03:52:18,153 INFO L78 Accepts]: Start accepts. Automaton has 1948 states and 2809 transitions. Word has length 162 [2024-11-07 03:52:18,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:18,153 INFO L471 AbstractCegarLoop]: Abstraction has 1948 states and 2809 transitions. [2024-11-07 03:52:18,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.142857142857142) internal successors, (162), 7 states have internal predecessors, (162), 0 states have call successors, (0), 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 03:52:18,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1948 states and 2809 transitions. [2024-11-07 03:52:18,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-07 03:52:18,155 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:18,156 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:18,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-07 03:52:18,156 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:18,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:18,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1710024552, now seen corresponding path program 1 times [2024-11-07 03:52:18,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:18,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579526346] [2024-11-07 03:52:18,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:18,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:19,272 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 03:52:19,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:19,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579526346] [2024-11-07 03:52:19,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579526346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:19,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:19,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-07 03:52:19,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252438581] [2024-11-07 03:52:19,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:19,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 03:52:19,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:19,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 03:52:19,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-07 03:52:19,275 INFO L87 Difference]: Start difference. First operand 1948 states and 2809 transitions. Second operand has 13 states, 13 states have (on average 12.461538461538462) internal successors, (162), 13 states have internal predecessors, (162), 0 states have call successors, (0), 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 03:52:19,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:19,516 INFO L93 Difference]: Finished difference Result 3927 states and 5656 transitions. [2024-11-07 03:52:19,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 03:52:19,517 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.461538461538462) internal successors, (162), 13 states have internal predecessors, (162), 0 states have call successors, (0), 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 162 [2024-11-07 03:52:19,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:19,521 INFO L225 Difference]: With dead ends: 3927 [2024-11-07 03:52:19,521 INFO L226 Difference]: Without dead ends: 2035 [2024-11-07 03:52:19,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-07 03:52:19,525 INFO L432 NwaCegarLoop]: 1055 mSDtfsCounter, 11 mSDsluCounter, 11578 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 12633 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:19,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 12633 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 03:52:19,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2035 states. [2024-11-07 03:52:19,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2035 to 1999. [2024-11-07 03:52:19,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1999 states, 1998 states have (on average 1.4434434434434436) internal successors, (2884), 1998 states have internal predecessors, (2884), 0 states have call successors, (0), 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 03:52:19,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1999 states to 1999 states and 2884 transitions. [2024-11-07 03:52:19,552 INFO L78 Accepts]: Start accepts. Automaton has 1999 states and 2884 transitions. Word has length 162 [2024-11-07 03:52:19,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:19,552 INFO L471 AbstractCegarLoop]: Abstraction has 1999 states and 2884 transitions. [2024-11-07 03:52:19,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.461538461538462) internal successors, (162), 13 states have internal predecessors, (162), 0 states have call successors, (0), 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 03:52:19,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1999 states and 2884 transitions. [2024-11-07 03:52:19,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-07 03:52:19,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:19,555 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:19,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-07 03:52:19,557 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:19,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:19,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1978934042, now seen corresponding path program 1 times [2024-11-07 03:52:19,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:19,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623129458] [2024-11-07 03:52:19,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:19,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:20,678 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 03:52:20,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:20,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623129458] [2024-11-07 03:52:20,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623129458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:20,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:20,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-07 03:52:20,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012278421] [2024-11-07 03:52:20,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:20,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 03:52:20,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:20,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 03:52:20,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-11-07 03:52:20,681 INFO L87 Difference]: Start difference. First operand 1999 states and 2884 transitions. Second operand has 15 states, 15 states have (on average 10.8) internal successors, (162), 15 states have internal predecessors, (162), 0 states have call successors, (0), 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 03:52:21,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:21,000 INFO L93 Difference]: Finished difference Result 4179 states and 6016 transitions. [2024-11-07 03:52:21,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 03:52:21,001 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 10.8) internal successors, (162), 15 states have internal predecessors, (162), 0 states have call successors, (0), 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 162 [2024-11-07 03:52:21,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:21,005 INFO L225 Difference]: With dead ends: 4179 [2024-11-07 03:52:21,006 INFO L226 Difference]: Without dead ends: 2236 [2024-11-07 03:52:21,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2024-11-07 03:52:21,012 INFO L432 NwaCegarLoop]: 1070 mSDtfsCounter, 57 mSDsluCounter, 12790 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 13860 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:21,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 13860 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 03:52:21,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2236 states. [2024-11-07 03:52:21,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2236 to 2140. [2024-11-07 03:52:21,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2140 states, 2139 states have (on average 1.442262739597943) internal successors, (3085), 2139 states have internal predecessors, (3085), 0 states have call successors, (0), 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 03:52:21,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 3085 transitions. [2024-11-07 03:52:21,045 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 3085 transitions. Word has length 162 [2024-11-07 03:52:21,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:21,045 INFO L471 AbstractCegarLoop]: Abstraction has 2140 states and 3085 transitions. [2024-11-07 03:52:21,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 10.8) internal successors, (162), 15 states have internal predecessors, (162), 0 states have call successors, (0), 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 03:52:21,045 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 3085 transitions. [2024-11-07 03:52:21,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-07 03:52:21,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:21,047 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:21,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-07 03:52:21,047 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:21,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:21,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1295732568, now seen corresponding path program 1 times [2024-11-07 03:52:21,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:21,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047611819] [2024-11-07 03:52:21,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:21,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:23,082 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 03:52:23,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:23,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047611819] [2024-11-07 03:52:23,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047611819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:23,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:23,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2024-11-07 03:52:23,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767279514] [2024-11-07 03:52:23,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:23,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-07 03:52:23,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:23,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-07 03:52:23,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=868, Unknown=0, NotChecked=0, Total=930 [2024-11-07 03:52:23,084 INFO L87 Difference]: Start difference. First operand 2140 states and 3085 transitions. Second operand has 31 states, 31 states have (on average 5.225806451612903) internal successors, (162), 31 states have internal predecessors, (162), 0 states have call successors, (0), 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 03:52:24,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:24,093 INFO L93 Difference]: Finished difference Result 4890 states and 7030 transitions. [2024-11-07 03:52:24,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-07 03:52:24,093 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 5.225806451612903) internal successors, (162), 31 states have internal predecessors, (162), 0 states have call successors, (0), 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 162 [2024-11-07 03:52:24,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:24,098 INFO L225 Difference]: With dead ends: 4890 [2024-11-07 03:52:24,098 INFO L226 Difference]: Without dead ends: 2806 [2024-11-07 03:52:24,101 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=74, Invalid=1048, Unknown=0, NotChecked=0, Total=1122 [2024-11-07 03:52:24,101 INFO L432 NwaCegarLoop]: 1015 mSDtfsCounter, 109 mSDsluCounter, 29375 mSDsCounter, 0 mSdLazyCounter, 1904 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 30390 SdHoareTripleChecker+Invalid, 1921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:24,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 30390 Invalid, 1921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1904 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 03:52:24,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2806 states. [2024-11-07 03:52:24,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2806 to 2698. [2024-11-07 03:52:24,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2698 states, 2697 states have (on average 1.443084909158324) internal successors, (3892), 2697 states have internal predecessors, (3892), 0 states have call successors, (0), 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 03:52:24,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 2698 states and 3892 transitions. [2024-11-07 03:52:24,131 INFO L78 Accepts]: Start accepts. Automaton has 2698 states and 3892 transitions. Word has length 162 [2024-11-07 03:52:24,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:24,132 INFO L471 AbstractCegarLoop]: Abstraction has 2698 states and 3892 transitions. [2024-11-07 03:52:24,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 5.225806451612903) internal successors, (162), 31 states have internal predecessors, (162), 0 states have call successors, (0), 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 03:52:24,132 INFO L276 IsEmpty]: Start isEmpty. Operand 2698 states and 3892 transitions. [2024-11-07 03:52:24,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-07 03:52:24,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:24,134 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:24,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-07 03:52:24,135 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:24,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:24,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1245684938, now seen corresponding path program 1 times [2024-11-07 03:52:24,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:24,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581393219] [2024-11-07 03:52:24,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:24,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:25,200 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 03:52:25,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:25,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581393219] [2024-11-07 03:52:25,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581393219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:25,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:25,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 03:52:25,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141142295] [2024-11-07 03:52:25,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:25,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 03:52:25,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:25,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 03:52:25,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-07 03:52:25,202 INFO L87 Difference]: Start difference. First operand 2698 states and 3892 transitions. Second operand has 11 states, 11 states have (on average 14.727272727272727) internal successors, (162), 11 states have internal predecessors, (162), 0 states have call successors, (0), 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 03:52:25,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:25,352 INFO L93 Difference]: Finished difference Result 5448 states and 7849 transitions. [2024-11-07 03:52:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 03:52:25,353 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 14.727272727272727) internal successors, (162), 11 states have internal predecessors, (162), 0 states have call successors, (0), 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 162 [2024-11-07 03:52:25,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:25,357 INFO L225 Difference]: With dead ends: 5448 [2024-11-07 03:52:25,357 INFO L226 Difference]: Without dead ends: 2806 [2024-11-07 03:52:25,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-07 03:52:25,360 INFO L432 NwaCegarLoop]: 1063 mSDtfsCounter, 962 mSDsluCounter, 8465 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 962 SdHoareTripleChecker+Valid, 9528 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:25,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [962 Valid, 9528 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 03:52:25,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2806 states. [2024-11-07 03:52:25,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2806 to 2770. [2024-11-07 03:52:25,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2770 states, 2769 states have (on average 1.4402311303719755) internal successors, (3988), 2769 states have internal predecessors, (3988), 0 states have call successors, (0), 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 03:52:25,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2770 states and 3988 transitions. [2024-11-07 03:52:25,391 INFO L78 Accepts]: Start accepts. Automaton has 2770 states and 3988 transitions. Word has length 162 [2024-11-07 03:52:25,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:25,391 INFO L471 AbstractCegarLoop]: Abstraction has 2770 states and 3988 transitions. [2024-11-07 03:52:25,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.727272727272727) internal successors, (162), 11 states have internal predecessors, (162), 0 states have call successors, (0), 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 03:52:25,392 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 3988 transitions. [2024-11-07 03:52:25,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-07 03:52:25,394 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:25,394 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:25,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-07 03:52:25,394 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:25,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:25,395 INFO L85 PathProgramCache]: Analyzing trace with hash -86030322, now seen corresponding path program 1 times [2024-11-07 03:52:25,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:25,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212821151] [2024-11-07 03:52:25,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:25,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:26,213 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 03:52:26,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:26,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212821151] [2024-11-07 03:52:26,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212821151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:26,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:26,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 03:52:26,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980002296] [2024-11-07 03:52:26,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:26,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 03:52:26,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:26,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 03:52:26,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 03:52:26,216 INFO L87 Difference]: Start difference. First operand 2770 states and 3988 transitions. Second operand has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 0 states have call successors, (0), 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 03:52:26,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:26,291 INFO L93 Difference]: Finished difference Result 5484 states and 7894 transitions. [2024-11-07 03:52:26,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 03:52:26,292 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2024-11-07 03:52:26,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:26,297 INFO L225 Difference]: With dead ends: 5484 [2024-11-07 03:52:26,297 INFO L226 Difference]: Without dead ends: 2770 [2024-11-07 03:52:26,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 03:52:26,301 INFO L432 NwaCegarLoop]: 1064 mSDtfsCounter, 11 mSDsluCounter, 5300 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 6364 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:26,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 6364 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 03:52:26,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2770 states. [2024-11-07 03:52:26,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2770 to 2698. [2024-11-07 03:52:26,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2698 states, 2697 states have (on average 1.4386355209492028) internal successors, (3880), 2697 states have internal predecessors, (3880), 0 states have call successors, (0), 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 03:52:26,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 2698 states and 3880 transitions. [2024-11-07 03:52:26,328 INFO L78 Accepts]: Start accepts. Automaton has 2698 states and 3880 transitions. Word has length 163 [2024-11-07 03:52:26,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:26,329 INFO L471 AbstractCegarLoop]: Abstraction has 2698 states and 3880 transitions. [2024-11-07 03:52:26,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 0 states have call successors, (0), 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 03:52:26,329 INFO L276 IsEmpty]: Start isEmpty. Operand 2698 states and 3880 transitions. [2024-11-07 03:52:26,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-07 03:52:26,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:26,331 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:26,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-07 03:52:26,331 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:26,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:26,332 INFO L85 PathProgramCache]: Analyzing trace with hash -161604861, now seen corresponding path program 1 times [2024-11-07 03:52:26,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:26,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555031372] [2024-11-07 03:52:26,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:26,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:26,995 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 03:52:26,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:26,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555031372] [2024-11-07 03:52:26,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555031372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:26,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:26,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 03:52:26,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077595372] [2024-11-07 03:52:26,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:26,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 03:52:26,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:26,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 03:52:26,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 03:52:26,999 INFO L87 Difference]: Start difference. First operand 2698 states and 3880 transitions. Second operand has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 0 states have call successors, (0), 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 03:52:27,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:27,068 INFO L93 Difference]: Finished difference Result 5370 states and 7723 transitions. [2024-11-07 03:52:27,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 03:52:27,069 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 0 states have call successors, (0), 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 164 [2024-11-07 03:52:27,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:27,072 INFO L225 Difference]: With dead ends: 5370 [2024-11-07 03:52:27,072 INFO L226 Difference]: Without dead ends: 2728 [2024-11-07 03:52:27,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 03:52:27,076 INFO L432 NwaCegarLoop]: 1070 mSDtfsCounter, 1 mSDsluCounter, 4264 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5334 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:27,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5334 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 03:52:27,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2728 states. [2024-11-07 03:52:27,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2728 to 2716. [2024-11-07 03:52:27,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2715 states have (on average 1.437937384898711) internal successors, (3904), 2715 states have internal predecessors, (3904), 0 states have call successors, (0), 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 03:52:27,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3904 transitions. [2024-11-07 03:52:27,121 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3904 transitions. Word has length 164 [2024-11-07 03:52:27,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:27,122 INFO L471 AbstractCegarLoop]: Abstraction has 2716 states and 3904 transitions. [2024-11-07 03:52:27,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 0 states have call successors, (0), 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 03:52:27,122 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3904 transitions. [2024-11-07 03:52:27,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-07 03:52:27,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:27,125 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:27,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-07 03:52:27,125 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:27,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:27,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1228972335, now seen corresponding path program 1 times [2024-11-07 03:52:27,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:27,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573395494] [2024-11-07 03:52:27,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:27,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:27,682 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 03:52:27,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:27,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573395494] [2024-11-07 03:52:27,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573395494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:27,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:27,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 03:52:27,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420614703] [2024-11-07 03:52:27,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:27,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 03:52:27,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:27,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 03:52:27,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-07 03:52:27,685 INFO L87 Difference]: Start difference. First operand 2716 states and 3904 transitions. Second operand has 7 states, 7 states have (on average 23.571428571428573) internal successors, (165), 7 states have internal predecessors, (165), 0 states have call successors, (0), 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 03:52:27,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:27,784 INFO L93 Difference]: Finished difference Result 5496 states and 7894 transitions. [2024-11-07 03:52:27,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 03:52:27,785 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.571428571428573) internal successors, (165), 7 states have internal predecessors, (165), 0 states have call successors, (0), 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 165 [2024-11-07 03:52:27,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:27,788 INFO L225 Difference]: With dead ends: 5496 [2024-11-07 03:52:27,789 INFO L226 Difference]: Without dead ends: 2836 [2024-11-07 03:52:27,791 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-07 03:52:27,792 INFO L432 NwaCegarLoop]: 1064 mSDtfsCounter, 978 mSDsluCounter, 4238 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 978 SdHoareTripleChecker+Valid, 5302 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:27,792 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [978 Valid, 5302 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 03:52:27,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2836 states. [2024-11-07 03:52:27,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2836 to 2824. [2024-11-07 03:52:27,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2824 states, 2823 states have (on average 1.4339355295784626) internal successors, (4048), 2823 states have internal predecessors, (4048), 0 states have call successors, (0), 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 03:52:27,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 2824 states and 4048 transitions. [2024-11-07 03:52:27,816 INFO L78 Accepts]: Start accepts. Automaton has 2824 states and 4048 transitions. Word has length 165 [2024-11-07 03:52:27,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:27,817 INFO L471 AbstractCegarLoop]: Abstraction has 2824 states and 4048 transitions. [2024-11-07 03:52:27,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.571428571428573) internal successors, (165), 7 states have internal predecessors, (165), 0 states have call successors, (0), 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 03:52:27,817 INFO L276 IsEmpty]: Start isEmpty. Operand 2824 states and 4048 transitions. [2024-11-07 03:52:27,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-07 03:52:27,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:27,818 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:27,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-07 03:52:27,819 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:27,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:27,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1708026218, now seen corresponding path program 1 times [2024-11-07 03:52:27,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:27,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422388554] [2024-11-07 03:52:27,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:27,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:28,621 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 03:52:28,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:28,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422388554] [2024-11-07 03:52:28,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422388554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:28,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:28,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 03:52:28,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405483960] [2024-11-07 03:52:28,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:28,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 03:52:28,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:28,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 03:52:28,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-07 03:52:28,623 INFO L87 Difference]: Start difference. First operand 2824 states and 4048 transitions. Second operand has 12 states, 12 states have (on average 13.75) internal successors, (165), 12 states have internal predecessors, (165), 0 states have call successors, (0), 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 03:52:28,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:28,808 INFO L93 Difference]: Finished difference Result 5874 states and 8407 transitions. [2024-11-07 03:52:28,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 03:52:28,809 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 13.75) internal successors, (165), 12 states have internal predecessors, (165), 0 states have call successors, (0), 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 165 [2024-11-07 03:52:28,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:28,812 INFO L225 Difference]: With dead ends: 5874 [2024-11-07 03:52:28,812 INFO L226 Difference]: Without dead ends: 3106 [2024-11-07 03:52:28,816 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-07 03:52:28,816 INFO L432 NwaCegarLoop]: 1061 mSDtfsCounter, 39 mSDsluCounter, 10588 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 11649 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:28,816 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 11649 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 03:52:28,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3106 states. [2024-11-07 03:52:28,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3106 to 2833. [2024-11-07 03:52:28,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2833 states, 2832 states have (on average 1.434675141242938) internal successors, (4063), 2832 states have internal predecessors, (4063), 0 states have call successors, (0), 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 03:52:28,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2833 states to 2833 states and 4063 transitions. [2024-11-07 03:52:28,847 INFO L78 Accepts]: Start accepts. Automaton has 2833 states and 4063 transitions. Word has length 165 [2024-11-07 03:52:28,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:28,847 INFO L471 AbstractCegarLoop]: Abstraction has 2833 states and 4063 transitions. [2024-11-07 03:52:28,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.75) internal successors, (165), 12 states have internal predecessors, (165), 0 states have call successors, (0), 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 03:52:28,847 INFO L276 IsEmpty]: Start isEmpty. Operand 2833 states and 4063 transitions. [2024-11-07 03:52:28,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-07 03:52:28,849 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:28,849 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:28,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-07 03:52:28,849 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:28,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:28,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1471450013, now seen corresponding path program 1 times [2024-11-07 03:52:28,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:28,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767870588] [2024-11-07 03:52:28,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:28,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:29,988 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 03:52:29,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:29,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767870588] [2024-11-07 03:52:29,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767870588] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:29,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:29,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 03:52:29,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373944139] [2024-11-07 03:52:29,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:29,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 03:52:29,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:29,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 03:52:29,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-11-07 03:52:29,991 INFO L87 Difference]: Start difference. First operand 2833 states and 4063 transitions. Second operand has 12 states, 12 states have (on average 13.75) internal successors, (165), 12 states have internal predecessors, (165), 0 states have call successors, (0), 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 03:52:30,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:30,144 INFO L93 Difference]: Finished difference Result 5691 states and 8152 transitions. [2024-11-07 03:52:30,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 03:52:30,144 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 13.75) internal successors, (165), 12 states have internal predecessors, (165), 0 states have call successors, (0), 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 165 [2024-11-07 03:52:30,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:30,147 INFO L225 Difference]: With dead ends: 5691 [2024-11-07 03:52:30,147 INFO L226 Difference]: Without dead ends: 2914 [2024-11-07 03:52:30,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-11-07 03:52:30,149 INFO L432 NwaCegarLoop]: 1053 mSDtfsCounter, 9 mSDsluCounter, 9455 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 10508 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:30,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 10508 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 03:52:30,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2914 states. [2024-11-07 03:52:30,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2914 to 2839. [2024-11-07 03:52:30,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2839 states, 2838 states have (on average 1.433756166314306) internal successors, (4069), 2838 states have internal predecessors, (4069), 0 states have call successors, (0), 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 03:52:30,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2839 states and 4069 transitions. [2024-11-07 03:52:30,171 INFO L78 Accepts]: Start accepts. Automaton has 2839 states and 4069 transitions. Word has length 165 [2024-11-07 03:52:30,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:30,171 INFO L471 AbstractCegarLoop]: Abstraction has 2839 states and 4069 transitions. [2024-11-07 03:52:30,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.75) internal successors, (165), 12 states have internal predecessors, (165), 0 states have call successors, (0), 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 03:52:30,171 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 4069 transitions. [2024-11-07 03:52:30,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-07 03:52:30,173 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:30,173 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:30,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-07 03:52:30,173 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:30,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:30,174 INFO L85 PathProgramCache]: Analyzing trace with hash 2000997574, now seen corresponding path program 1 times [2024-11-07 03:52:30,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:30,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316644944] [2024-11-07 03:52:30,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:30,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:30,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:30,642 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 03:52:30,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:30,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316644944] [2024-11-07 03:52:30,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316644944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:30,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:30,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 03:52:30,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503593853] [2024-11-07 03:52:30,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:30,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 03:52:30,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:30,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 03:52:30,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 03:52:30,644 INFO L87 Difference]: Start difference. First operand 2839 states and 4069 transitions. Second operand has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 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 03:52:31,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:31,262 INFO L93 Difference]: Finished difference Result 6574 states and 9416 transitions. [2024-11-07 03:52:31,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 03:52:31,263 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 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 165 [2024-11-07 03:52:31,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:31,268 INFO L225 Difference]: With dead ends: 6574 [2024-11-07 03:52:31,268 INFO L226 Difference]: Without dead ends: 3791 [2024-11-07 03:52:31,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 03:52:31,275 INFO L432 NwaCegarLoop]: 806 mSDtfsCounter, 2117 mSDsluCounter, 1607 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2117 SdHoareTripleChecker+Valid, 2413 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:31,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2117 Valid, 2413 Invalid, 815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 03:52:31,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3791 states. [2024-11-07 03:52:31,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3791 to 2888. [2024-11-07 03:52:31,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2888 states, 2887 states have (on average 1.4336681676480776) internal successors, (4139), 2887 states have internal predecessors, (4139), 0 states have call successors, (0), 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 03:52:31,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2888 states to 2888 states and 4139 transitions. [2024-11-07 03:52:31,310 INFO L78 Accepts]: Start accepts. Automaton has 2888 states and 4139 transitions. Word has length 165 [2024-11-07 03:52:31,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:31,310 INFO L471 AbstractCegarLoop]: Abstraction has 2888 states and 4139 transitions. [2024-11-07 03:52:31,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 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 03:52:31,311 INFO L276 IsEmpty]: Start isEmpty. Operand 2888 states and 4139 transitions. [2024-11-07 03:52:31,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-07 03:52:31,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:31,312 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:31,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-07 03:52:31,313 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:31,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:31,313 INFO L85 PathProgramCache]: Analyzing trace with hash 2053317994, now seen corresponding path program 1 times [2024-11-07 03:52:31,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:31,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216940839] [2024-11-07 03:52:31,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:31,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:31,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:32,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 03:52:32,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:32,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216940839] [2024-11-07 03:52:32,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216940839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:32,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:32,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-07 03:52:32,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879418473] [2024-11-07 03:52:32,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:32,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 03:52:32,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:32,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 03:52:32,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=210, Unknown=0, NotChecked=0, Total=240 [2024-11-07 03:52:32,179 INFO L87 Difference]: Start difference. First operand 2888 states and 4139 transitions. Second operand has 16 states, 16 states have (on average 10.3125) internal successors, (165), 16 states have internal predecessors, (165), 0 states have call successors, (0), 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 03:52:32,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:32,460 INFO L93 Difference]: Finished difference Result 6196 states and 8862 transitions. [2024-11-07 03:52:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-07 03:52:32,460 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.3125) internal successors, (165), 16 states have internal predecessors, (165), 0 states have call successors, (0), 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 165 [2024-11-07 03:52:32,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:32,463 INFO L225 Difference]: With dead ends: 6196 [2024-11-07 03:52:32,463 INFO L226 Difference]: Without dead ends: 3413 [2024-11-07 03:52:32,465 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2024-11-07 03:52:32,465 INFO L432 NwaCegarLoop]: 1080 mSDtfsCounter, 53 mSDsluCounter, 13997 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 15077 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:32,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 15077 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 03:52:32,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3413 states. [2024-11-07 03:52:32,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3413 to 2921. [2024-11-07 03:52:32,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2921 states, 2920 states have (on average 1.4352739726027397) internal successors, (4191), 2920 states have internal predecessors, (4191), 0 states have call successors, (0), 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 03:52:32,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2921 states to 2921 states and 4191 transitions. [2024-11-07 03:52:32,497 INFO L78 Accepts]: Start accepts. Automaton has 2921 states and 4191 transitions. Word has length 165 [2024-11-07 03:52:32,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:32,498 INFO L471 AbstractCegarLoop]: Abstraction has 2921 states and 4191 transitions. [2024-11-07 03:52:32,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.3125) internal successors, (165), 16 states have internal predecessors, (165), 0 states have call successors, (0), 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 03:52:32,498 INFO L276 IsEmpty]: Start isEmpty. Operand 2921 states and 4191 transitions. [2024-11-07 03:52:32,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-07 03:52:32,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:32,500 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:32,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-07 03:52:32,500 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:32,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:32,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1997113874, now seen corresponding path program 1 times [2024-11-07 03:52:32,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:32,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688965776] [2024-11-07 03:52:32,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:32,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:33,277 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 03:52:33,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:33,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688965776] [2024-11-07 03:52:33,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688965776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:33,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:33,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-07 03:52:33,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721403707] [2024-11-07 03:52:33,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:33,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 03:52:33,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:33,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 03:52:33,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2024-11-07 03:52:33,278 INFO L87 Difference]: Start difference. First operand 2921 states and 4191 transitions. Second operand has 14 states, 14 states have (on average 11.785714285714286) internal successors, (165), 14 states have internal predecessors, (165), 0 states have call successors, (0), 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 03:52:33,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:33,507 INFO L93 Difference]: Finished difference Result 6064 states and 8694 transitions. [2024-11-07 03:52:33,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 03:52:33,508 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 11.785714285714286) internal successors, (165), 14 states have internal predecessors, (165), 0 states have call successors, (0), 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 165 [2024-11-07 03:52:33,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:33,510 INFO L225 Difference]: With dead ends: 6064 [2024-11-07 03:52:33,510 INFO L226 Difference]: Without dead ends: 3251 [2024-11-07 03:52:33,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2024-11-07 03:52:33,512 INFO L432 NwaCegarLoop]: 1048 mSDtfsCounter, 45 mSDsluCounter, 12553 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 13601 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:33,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 13601 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 03:52:33,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3251 states. [2024-11-07 03:52:33,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3251 to 3101. [2024-11-07 03:52:33,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3101 states, 3100 states have (on average 1.4351612903225806) internal successors, (4449), 3100 states have internal predecessors, (4449), 0 states have call successors, (0), 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 03:52:33,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3101 states to 3101 states and 4449 transitions. [2024-11-07 03:52:33,542 INFO L78 Accepts]: Start accepts. Automaton has 3101 states and 4449 transitions. Word has length 165 [2024-11-07 03:52:33,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:33,542 INFO L471 AbstractCegarLoop]: Abstraction has 3101 states and 4449 transitions. [2024-11-07 03:52:33,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.785714285714286) internal successors, (165), 14 states have internal predecessors, (165), 0 states have call successors, (0), 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 03:52:33,542 INFO L276 IsEmpty]: Start isEmpty. Operand 3101 states and 4449 transitions. [2024-11-07 03:52:33,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-07 03:52:33,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:33,543 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:33,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-07 03:52:33,544 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:33,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:33,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1893652092, now seen corresponding path program 1 times [2024-11-07 03:52:33,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:33,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158515039] [2024-11-07 03:52:33,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:33,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:34,175 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 03:52:34,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:34,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158515039] [2024-11-07 03:52:34,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158515039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:34,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:34,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 03:52:34,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936964629] [2024-11-07 03:52:34,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:34,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 03:52:34,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:34,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 03:52:34,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 03:52:34,177 INFO L87 Difference]: Start difference. First operand 3101 states and 4449 transitions. Second operand has 7 states, 7 states have (on average 23.571428571428573) internal successors, (165), 7 states have internal predecessors, (165), 0 states have call successors, (0), 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 03:52:34,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:34,254 INFO L93 Difference]: Finished difference Result 6094 states and 8742 transitions. [2024-11-07 03:52:34,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 03:52:34,254 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.571428571428573) internal successors, (165), 7 states have internal predecessors, (165), 0 states have call successors, (0), 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 165 [2024-11-07 03:52:34,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:34,258 INFO L225 Difference]: With dead ends: 6094 [2024-11-07 03:52:34,258 INFO L226 Difference]: Without dead ends: 3101 [2024-11-07 03:52:34,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 03:52:34,262 INFO L432 NwaCegarLoop]: 1063 mSDtfsCounter, 11 mSDsluCounter, 5295 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 6358 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:34,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 6358 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 03:52:34,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3101 states. [2024-11-07 03:52:34,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3101 to 3029. [2024-11-07 03:52:34,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3029 states, 3028 states have (on average 1.4336195508586527) internal successors, (4341), 3028 states have internal predecessors, (4341), 0 states have call successors, (0), 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 03:52:34,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3029 states to 3029 states and 4341 transitions. [2024-11-07 03:52:34,291 INFO L78 Accepts]: Start accepts. Automaton has 3029 states and 4341 transitions. Word has length 165 [2024-11-07 03:52:34,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:34,291 INFO L471 AbstractCegarLoop]: Abstraction has 3029 states and 4341 transitions. [2024-11-07 03:52:34,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.571428571428573) internal successors, (165), 7 states have internal predecessors, (165), 0 states have call successors, (0), 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 03:52:34,293 INFO L276 IsEmpty]: Start isEmpty. Operand 3029 states and 4341 transitions. [2024-11-07 03:52:34,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-07 03:52:34,295 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:34,295 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:34,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-07 03:52:34,295 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:34,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:34,296 INFO L85 PathProgramCache]: Analyzing trace with hash 2029098616, now seen corresponding path program 1 times [2024-11-07 03:52:34,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:34,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734480733] [2024-11-07 03:52:34,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:34,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:34,771 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 03:52:34,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:34,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734480733] [2024-11-07 03:52:34,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734480733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:34,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:34,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 03:52:34,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799544301] [2024-11-07 03:52:34,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:34,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 03:52:34,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:34,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 03:52:34,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 03:52:34,772 INFO L87 Difference]: Start difference. First operand 3029 states and 4341 transitions. Second operand has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 6 states have internal predecessors, (166), 0 states have call successors, (0), 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 03:52:34,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:34,822 INFO L93 Difference]: Finished difference Result 5950 states and 8526 transitions. [2024-11-07 03:52:34,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 03:52:34,822 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 6 states have internal predecessors, (166), 0 states have call successors, (0), 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 166 [2024-11-07 03:52:34,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:34,825 INFO L225 Difference]: With dead ends: 5950 [2024-11-07 03:52:34,825 INFO L226 Difference]: Without dead ends: 3029 [2024-11-07 03:52:34,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 03:52:34,826 INFO L432 NwaCegarLoop]: 1063 mSDtfsCounter, 7 mSDsluCounter, 4239 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 5302 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:34,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 5302 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 03:52:34,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3029 states. [2024-11-07 03:52:34,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3029 to 3029. [2024-11-07 03:52:34,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3029 states, 3028 states have (on average 1.429656538969617) internal successors, (4329), 3028 states have internal predecessors, (4329), 0 states have call successors, (0), 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 03:52:34,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3029 states to 3029 states and 4329 transitions. [2024-11-07 03:52:34,853 INFO L78 Accepts]: Start accepts. Automaton has 3029 states and 4329 transitions. Word has length 166 [2024-11-07 03:52:34,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:34,853 INFO L471 AbstractCegarLoop]: Abstraction has 3029 states and 4329 transitions. [2024-11-07 03:52:34,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 6 states have internal predecessors, (166), 0 states have call successors, (0), 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 03:52:34,853 INFO L276 IsEmpty]: Start isEmpty. Operand 3029 states and 4329 transitions. [2024-11-07 03:52:34,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-07 03:52:34,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:34,855 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:34,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-07 03:52:34,855 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:34,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:34,856 INFO L85 PathProgramCache]: Analyzing trace with hash -421963691, now seen corresponding path program 1 times [2024-11-07 03:52:34,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:34,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491418081] [2024-11-07 03:52:34,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:34,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:36,188 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 03:52:36,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:36,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491418081] [2024-11-07 03:52:36,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491418081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:36,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:36,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2024-11-07 03:52:36,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201552783] [2024-11-07 03:52:36,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:36,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-07 03:52:36,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:36,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-07 03:52:36,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=646, Unknown=0, NotChecked=0, Total=702 [2024-11-07 03:52:36,190 INFO L87 Difference]: Start difference. First operand 3029 states and 4329 transitions. Second operand has 27 states, 27 states have (on average 6.185185185185185) internal successors, (167), 27 states have internal predecessors, (167), 0 states have call successors, (0), 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 03:52:36,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:36,780 INFO L93 Difference]: Finished difference Result 6661 states and 9501 transitions. [2024-11-07 03:52:36,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-07 03:52:36,780 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 6.185185185185185) internal successors, (167), 27 states have internal predecessors, (167), 0 states have call successors, (0), 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 167 [2024-11-07 03:52:36,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:36,783 INFO L225 Difference]: With dead ends: 6661 [2024-11-07 03:52:36,783 INFO L226 Difference]: Without dead ends: 3740 [2024-11-07 03:52:36,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=646, Unknown=0, NotChecked=0, Total=702 [2024-11-07 03:52:36,786 INFO L432 NwaCegarLoop]: 1018 mSDtfsCounter, 96 mSDsluCounter, 20421 mSDsCounter, 0 mSdLazyCounter, 1219 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 21439 SdHoareTripleChecker+Invalid, 1236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:36,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 21439 Invalid, 1236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1219 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 03:52:36,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3740 states. [2024-11-07 03:52:36,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3740 to 3626. [2024-11-07 03:52:36,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3626 states, 3625 states have (on average 1.429241379310345) internal successors, (5181), 3625 states have internal predecessors, (5181), 0 states have call successors, (0), 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 03:52:36,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3626 states to 3626 states and 5181 transitions. [2024-11-07 03:52:36,812 INFO L78 Accepts]: Start accepts. Automaton has 3626 states and 5181 transitions. Word has length 167 [2024-11-07 03:52:36,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:36,812 INFO L471 AbstractCegarLoop]: Abstraction has 3626 states and 5181 transitions. [2024-11-07 03:52:36,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 6.185185185185185) internal successors, (167), 27 states have internal predecessors, (167), 0 states have call successors, (0), 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 03:52:36,812 INFO L276 IsEmpty]: Start isEmpty. Operand 3626 states and 5181 transitions. [2024-11-07 03:52:36,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-07 03:52:36,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:36,814 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:36,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-07 03:52:36,814 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:36,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:36,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1809144519, now seen corresponding path program 1 times [2024-11-07 03:52:36,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:36,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773882945] [2024-11-07 03:52:36,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:36,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:37,470 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 03:52:37,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:37,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773882945] [2024-11-07 03:52:37,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773882945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:37,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:37,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 03:52:37,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735404733] [2024-11-07 03:52:37,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:37,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 03:52:37,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:37,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 03:52:37,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 03:52:37,472 INFO L87 Difference]: Start difference. First operand 3626 states and 5181 transitions. Second operand has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 6 states have internal predecessors, (167), 0 states have call successors, (0), 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 03:52:37,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:37,521 INFO L93 Difference]: Finished difference Result 7144 states and 10206 transitions. [2024-11-07 03:52:37,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 03:52:37,522 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 6 states have internal predecessors, (167), 0 states have call successors, (0), 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 167 [2024-11-07 03:52:37,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:37,524 INFO L225 Difference]: With dead ends: 7144 [2024-11-07 03:52:37,524 INFO L226 Difference]: Without dead ends: 3626 [2024-11-07 03:52:37,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 03:52:37,526 INFO L432 NwaCegarLoop]: 1062 mSDtfsCounter, 7 mSDsluCounter, 4235 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 5297 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:37,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 5297 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 03:52:37,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3626 states. [2024-11-07 03:52:37,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3626 to 3578. [2024-11-07 03:52:37,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3578 states, 3577 states have (on average 1.4282918646910818) internal successors, (5109), 3577 states have internal predecessors, (5109), 0 states have call successors, (0), 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 03:52:37,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3578 states to 3578 states and 5109 transitions. [2024-11-07 03:52:37,555 INFO L78 Accepts]: Start accepts. Automaton has 3578 states and 5109 transitions. Word has length 167 [2024-11-07 03:52:37,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:37,555 INFO L471 AbstractCegarLoop]: Abstraction has 3578 states and 5109 transitions. [2024-11-07 03:52:37,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 6 states have internal predecessors, (167), 0 states have call successors, (0), 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 03:52:37,555 INFO L276 IsEmpty]: Start isEmpty. Operand 3578 states and 5109 transitions. [2024-11-07 03:52:37,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-07 03:52:37,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:37,557 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:37,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-07 03:52:37,557 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:37,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:37,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1156262094, now seen corresponding path program 1 times [2024-11-07 03:52:37,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:37,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380115894] [2024-11-07 03:52:37,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:37,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:37,967 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 03:52:37,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:37,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380115894] [2024-11-07 03:52:37,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380115894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:37,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:37,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 03:52:37,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456645013] [2024-11-07 03:52:37,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:37,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 03:52:37,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:37,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 03:52:37,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 03:52:37,968 INFO L87 Difference]: Start difference. First operand 3578 states and 5109 transitions. Second operand has 5 states, 5 states have (on average 33.4) internal successors, (167), 5 states have internal predecessors, (167), 0 states have call successors, (0), 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 03:52:38,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:38,487 INFO L93 Difference]: Finished difference Result 7889 states and 11255 transitions. [2024-11-07 03:52:38,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 03:52:38,487 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.4) internal successors, (167), 5 states have internal predecessors, (167), 0 states have call successors, (0), 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 167 [2024-11-07 03:52:38,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:38,491 INFO L225 Difference]: With dead ends: 7889 [2024-11-07 03:52:38,492 INFO L226 Difference]: Without dead ends: 4419 [2024-11-07 03:52:38,494 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 03:52:38,494 INFO L432 NwaCegarLoop]: 803 mSDtfsCounter, 2071 mSDsluCounter, 1601 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2071 SdHoareTripleChecker+Valid, 2404 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:38,494 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2071 Valid, 2404 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 03:52:38,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4419 states. [2024-11-07 03:52:38,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4419 to 3751. [2024-11-07 03:52:38,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3751 states, 3750 states have (on average 1.4269333333333334) internal successors, (5351), 3750 states have internal predecessors, (5351), 0 states have call successors, (0), 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 03:52:38,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3751 states to 3751 states and 5351 transitions. [2024-11-07 03:52:38,532 INFO L78 Accepts]: Start accepts. Automaton has 3751 states and 5351 transitions. Word has length 167 [2024-11-07 03:52:38,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:38,532 INFO L471 AbstractCegarLoop]: Abstraction has 3751 states and 5351 transitions. [2024-11-07 03:52:38,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.4) internal successors, (167), 5 states have internal predecessors, (167), 0 states have call successors, (0), 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 03:52:38,533 INFO L276 IsEmpty]: Start isEmpty. Operand 3751 states and 5351 transitions. [2024-11-07 03:52:38,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-07 03:52:38,534 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:38,534 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:38,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-07 03:52:38,535 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:38,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:38,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1280456761, now seen corresponding path program 1 times [2024-11-07 03:52:38,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:38,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433775094] [2024-11-07 03:52:38,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:38,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:40,659 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 03:52:40,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:40,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433775094] [2024-11-07 03:52:40,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433775094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:40,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:40,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2024-11-07 03:52:40,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959978946] [2024-11-07 03:52:40,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:40,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-07 03:52:40,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:40,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-07 03:52:40,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2024-11-07 03:52:40,660 INFO L87 Difference]: Start difference. First operand 3751 states and 5351 transitions. Second operand has 31 states, 31 states have (on average 5.419354838709677) internal successors, (168), 31 states have internal predecessors, (168), 0 states have call successors, (0), 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 03:52:41,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:41,837 INFO L93 Difference]: Finished difference Result 7933 states and 11309 transitions. [2024-11-07 03:52:41,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-07 03:52:41,838 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 5.419354838709677) internal successors, (168), 31 states have internal predecessors, (168), 0 states have call successors, (0), 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 168 [2024-11-07 03:52:41,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:41,843 INFO L225 Difference]: With dead ends: 7933 [2024-11-07 03:52:41,844 INFO L226 Difference]: Without dead ends: 4463 [2024-11-07 03:52:41,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=161, Invalid=2289, Unknown=0, NotChecked=0, Total=2450 [2024-11-07 03:52:41,849 INFO L432 NwaCegarLoop]: 1013 mSDtfsCounter, 1180 mSDsluCounter, 27267 mSDsCounter, 0 mSdLazyCounter, 1755 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1180 SdHoareTripleChecker+Valid, 28280 SdHoareTripleChecker+Invalid, 1774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:41,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1180 Valid, 28280 Invalid, 1774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1755 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 03:52:41,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4463 states. [2024-11-07 03:52:41,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4463 to 3647. [2024-11-07 03:52:41,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3647 states, 3646 states have (on average 1.4278661546900713) internal successors, (5206), 3646 states have internal predecessors, (5206), 0 states have call successors, (0), 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 03:52:41,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3647 states to 3647 states and 5206 transitions. [2024-11-07 03:52:41,884 INFO L78 Accepts]: Start accepts. Automaton has 3647 states and 5206 transitions. Word has length 168 [2024-11-07 03:52:41,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:41,884 INFO L471 AbstractCegarLoop]: Abstraction has 3647 states and 5206 transitions. [2024-11-07 03:52:41,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 5.419354838709677) internal successors, (168), 31 states have internal predecessors, (168), 0 states have call successors, (0), 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 03:52:41,885 INFO L276 IsEmpty]: Start isEmpty. Operand 3647 states and 5206 transitions. [2024-11-07 03:52:41,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-07 03:52:41,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:41,885 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:41,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-07 03:52:41,886 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:41,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:41,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1895750379, now seen corresponding path program 1 times [2024-11-07 03:52:41,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:41,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835194618] [2024-11-07 03:52:41,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:41,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:42,486 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 03:52:42,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:42,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835194618] [2024-11-07 03:52:42,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835194618] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:42,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:42,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 03:52:42,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694152542] [2024-11-07 03:52:42,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:42,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 03:52:42,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:42,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 03:52:42,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 03:52:42,488 INFO L87 Difference]: Start difference. First operand 3647 states and 5206 transitions. Second operand has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 0 states have call successors, (0), 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 03:52:42,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:42,568 INFO L93 Difference]: Finished difference Result 7057 states and 10078 transitions. [2024-11-07 03:52:42,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 03:52:42,568 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 0 states have call successors, (0), 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 168 [2024-11-07 03:52:42,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:42,572 INFO L225 Difference]: With dead ends: 7057 [2024-11-07 03:52:42,572 INFO L226 Difference]: Without dead ends: 3647 [2024-11-07 03:52:42,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 03:52:42,576 INFO L432 NwaCegarLoop]: 1060 mSDtfsCounter, 11 mSDsluCounter, 5280 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 6340 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:42,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 6340 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 03:52:42,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3647 states. [2024-11-07 03:52:42,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3647 to 3575. [2024-11-07 03:52:42,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3575 states, 3574 states have (on average 1.4264129826524903) internal successors, (5098), 3574 states have internal predecessors, (5098), 0 states have call successors, (0), 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 03:52:42,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3575 states to 3575 states and 5098 transitions. [2024-11-07 03:52:42,608 INFO L78 Accepts]: Start accepts. Automaton has 3575 states and 5098 transitions. Word has length 168 [2024-11-07 03:52:42,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:42,608 INFO L471 AbstractCegarLoop]: Abstraction has 3575 states and 5098 transitions. [2024-11-07 03:52:42,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 0 states have call successors, (0), 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 03:52:42,608 INFO L276 IsEmpty]: Start isEmpty. Operand 3575 states and 5098 transitions. [2024-11-07 03:52:42,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-07 03:52:42,610 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:42,610 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:42,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-07 03:52:42,610 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:42,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:42,611 INFO L85 PathProgramCache]: Analyzing trace with hash -960206912, now seen corresponding path program 1 times [2024-11-07 03:52:42,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:42,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535140053] [2024-11-07 03:52:42,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:42,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:45,548 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 03:52:45,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:45,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535140053] [2024-11-07 03:52:45,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535140053] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:45,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:45,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [46] imperfect sequences [] total 46 [2024-11-07 03:52:45,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658593898] [2024-11-07 03:52:45,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:45,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-07 03:52:45,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:45,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-07 03:52:45,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=1936, Unknown=0, NotChecked=0, Total=2070 [2024-11-07 03:52:45,550 INFO L87 Difference]: Start difference. First operand 3575 states and 5098 transitions. Second operand has 46 states, 46 states have (on average 3.6739130434782608) internal successors, (169), 46 states have internal predecessors, (169), 0 states have call successors, (0), 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 03:52:48,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:48,394 INFO L93 Difference]: Finished difference Result 7245 states and 10328 transitions. [2024-11-07 03:52:48,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-07 03:52:48,394 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 3.6739130434782608) internal successors, (169), 46 states have internal predecessors, (169), 0 states have call successors, (0), 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 169 [2024-11-07 03:52:48,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:48,397 INFO L225 Difference]: With dead ends: 7245 [2024-11-07 03:52:48,397 INFO L226 Difference]: Without dead ends: 3907 [2024-11-07 03:52:48,401 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 965 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=333, Invalid=6639, Unknown=0, NotChecked=0, Total=6972 [2024-11-07 03:52:48,401 INFO L432 NwaCegarLoop]: 979 mSDtfsCounter, 1932 mSDsluCounter, 39137 mSDsCounter, 0 mSdLazyCounter, 4023 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1932 SdHoareTripleChecker+Valid, 40116 SdHoareTripleChecker+Invalid, 4053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 4023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:48,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1932 Valid, 40116 Invalid, 4053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 4023 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-07 03:52:48,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3907 states. [2024-11-07 03:52:48,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3907 to 3867. [2024-11-07 03:52:48,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3867 states, 3866 states have (on average 1.4270563890325918) internal successors, (5517), 3866 states have internal predecessors, (5517), 0 states have call successors, (0), 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 03:52:48,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3867 states to 3867 states and 5517 transitions. [2024-11-07 03:52:48,424 INFO L78 Accepts]: Start accepts. Automaton has 3867 states and 5517 transitions. Word has length 169 [2024-11-07 03:52:48,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:48,424 INFO L471 AbstractCegarLoop]: Abstraction has 3867 states and 5517 transitions. [2024-11-07 03:52:48,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 3.6739130434782608) internal successors, (169), 46 states have internal predecessors, (169), 0 states have call successors, (0), 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 03:52:48,424 INFO L276 IsEmpty]: Start isEmpty. Operand 3867 states and 5517 transitions. [2024-11-07 03:52:48,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-07 03:52:48,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:48,425 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:48,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-07 03:52:48,425 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:48,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:48,425 INFO L85 PathProgramCache]: Analyzing trace with hash 792081530, now seen corresponding path program 1 times [2024-11-07 03:52:48,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:48,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118114382] [2024-11-07 03:52:48,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:48,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:48,915 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 03:52:48,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:48,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118114382] [2024-11-07 03:52:48,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118114382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:48,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:48,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 03:52:48,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932603225] [2024-11-07 03:52:48,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:48,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 03:52:48,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:48,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 03:52:48,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-07 03:52:48,917 INFO L87 Difference]: Start difference. First operand 3867 states and 5517 transitions. Second operand has 11 states, 11 states have (on average 15.363636363636363) internal successors, (169), 11 states have internal predecessors, (169), 0 states have call successors, (0), 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 03:52:49,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:49,032 INFO L93 Difference]: Finished difference Result 7570 states and 10800 transitions. [2024-11-07 03:52:49,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 03:52:49,032 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.363636363636363) internal successors, (169), 11 states have internal predecessors, (169), 0 states have call successors, (0), 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 169 [2024-11-07 03:52:49,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:49,035 INFO L225 Difference]: With dead ends: 7570 [2024-11-07 03:52:49,035 INFO L226 Difference]: Without dead ends: 3959 [2024-11-07 03:52:49,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-07 03:52:49,038 INFO L432 NwaCegarLoop]: 1061 mSDtfsCounter, 10 mSDsluCounter, 9520 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 10581 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:49,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 10581 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 03:52:49,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3959 states. [2024-11-07 03:52:49,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3959 to 3913. [2024-11-07 03:52:49,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3913 states, 3912 states have (on average 1.4276584867075666) internal successors, (5585), 3912 states have internal predecessors, (5585), 0 states have call successors, (0), 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 03:52:49,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3913 states to 3913 states and 5585 transitions. [2024-11-07 03:52:49,067 INFO L78 Accepts]: Start accepts. Automaton has 3913 states and 5585 transitions. Word has length 169 [2024-11-07 03:52:49,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:49,067 INFO L471 AbstractCegarLoop]: Abstraction has 3913 states and 5585 transitions. [2024-11-07 03:52:49,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.363636363636363) internal successors, (169), 11 states have internal predecessors, (169), 0 states have call successors, (0), 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 03:52:49,068 INFO L276 IsEmpty]: Start isEmpty. Operand 3913 states and 5585 transitions. [2024-11-07 03:52:49,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-07 03:52:49,069 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:49,069 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:49,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-07 03:52:49,070 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:49,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:49,070 INFO L85 PathProgramCache]: Analyzing trace with hash -875715168, now seen corresponding path program 1 times [2024-11-07 03:52:49,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:49,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130032663] [2024-11-07 03:52:49,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:49,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:51,574 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 03:52:51,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:51,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130032663] [2024-11-07 03:52:51,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130032663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:51,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:51,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40 [2024-11-07 03:52:51,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554690703] [2024-11-07 03:52:51,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:51,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-07 03:52:51,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:51,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-07 03:52:51,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1445, Unknown=0, NotChecked=0, Total=1560 [2024-11-07 03:52:51,576 INFO L87 Difference]: Start difference. First operand 3913 states and 5585 transitions. Second operand has 40 states, 40 states have (on average 4.25) internal successors, (170), 40 states have internal predecessors, (170), 0 states have call successors, (0), 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 03:52:53,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:53,733 INFO L93 Difference]: Finished difference Result 8008 states and 11426 transitions. [2024-11-07 03:52:53,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-07 03:52:53,734 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 4.25) internal successors, (170), 40 states have internal predecessors, (170), 0 states have call successors, (0), 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 170 [2024-11-07 03:52:53,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:53,737 INFO L225 Difference]: With dead ends: 8008 [2024-11-07 03:52:53,737 INFO L226 Difference]: Without dead ends: 4378 [2024-11-07 03:52:53,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 655 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=276, Invalid=4836, Unknown=0, NotChecked=0, Total=5112 [2024-11-07 03:52:53,740 INFO L432 NwaCegarLoop]: 983 mSDtfsCounter, 1606 mSDsluCounter, 34401 mSDsCounter, 0 mSdLazyCounter, 3208 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1606 SdHoareTripleChecker+Valid, 35384 SdHoareTripleChecker+Invalid, 3239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 3208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:53,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1606 Valid, 35384 Invalid, 3239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 3208 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-07 03:52:53,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4378 states. [2024-11-07 03:52:53,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4378 to 4147. [2024-11-07 03:52:53,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4147 states, 4146 states have (on average 1.427882296189098) internal successors, (5920), 4146 states have internal predecessors, (5920), 0 states have call successors, (0), 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 03:52:53,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4147 states to 4147 states and 5920 transitions. [2024-11-07 03:52:53,769 INFO L78 Accepts]: Start accepts. Automaton has 4147 states and 5920 transitions. Word has length 170 [2024-11-07 03:52:53,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:53,769 INFO L471 AbstractCegarLoop]: Abstraction has 4147 states and 5920 transitions. [2024-11-07 03:52:53,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 4.25) internal successors, (170), 40 states have internal predecessors, (170), 0 states have call successors, (0), 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 03:52:53,769 INFO L276 IsEmpty]: Start isEmpty. Operand 4147 states and 5920 transitions. [2024-11-07 03:52:53,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-07 03:52:53,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:53,771 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:53,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-11-07 03:52:53,771 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:53,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:53,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1862902785, now seen corresponding path program 1 times [2024-11-07 03:52:53,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:53,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622520967] [2024-11-07 03:52:53,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:53,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:54,915 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 03:52:54,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:54,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622520967] [2024-11-07 03:52:54,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622520967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:54,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:54,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 03:52:54,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839409661] [2024-11-07 03:52:54,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:54,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 03:52:54,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:54,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 03:52:54,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 03:52:54,917 INFO L87 Difference]: Start difference. First operand 4147 states and 5920 transitions. Second operand has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 7 states have internal predecessors, (170), 0 states have call successors, (0), 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 03:52:55,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:55,000 INFO L93 Difference]: Finished difference Result 8221 states and 11732 transitions. [2024-11-07 03:52:55,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 03:52:55,001 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 7 states have internal predecessors, (170), 0 states have call successors, (0), 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 170 [2024-11-07 03:52:55,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:55,004 INFO L225 Difference]: With dead ends: 8221 [2024-11-07 03:52:55,004 INFO L226 Difference]: Without dead ends: 4156 [2024-11-07 03:52:55,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-07 03:52:55,008 INFO L432 NwaCegarLoop]: 1064 mSDtfsCounter, 1045 mSDsluCounter, 4230 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1045 SdHoareTripleChecker+Valid, 5294 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:55,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1045 Valid, 5294 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 03:52:55,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4156 states. [2024-11-07 03:52:55,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4156 to 4153. [2024-11-07 03:52:55,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4153 states, 4152 states have (on average 1.4265414258188824) internal successors, (5923), 4152 states have internal predecessors, (5923), 0 states have call successors, (0), 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 03:52:55,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4153 states to 4153 states and 5923 transitions. [2024-11-07 03:52:55,042 INFO L78 Accepts]: Start accepts. Automaton has 4153 states and 5923 transitions. Word has length 170 [2024-11-07 03:52:55,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:55,042 INFO L471 AbstractCegarLoop]: Abstraction has 4153 states and 5923 transitions. [2024-11-07 03:52:55,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 7 states have internal predecessors, (170), 0 states have call successors, (0), 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 03:52:55,043 INFO L276 IsEmpty]: Start isEmpty. Operand 4153 states and 5923 transitions. [2024-11-07 03:52:55,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-07 03:52:55,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:55,044 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:55,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-11-07 03:52:55,045 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:55,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:55,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1504412176, now seen corresponding path program 1 times [2024-11-07 03:52:55,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:55,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497599090] [2024-11-07 03:52:55,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:55,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:55,943 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 03:52:55,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:55,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497599090] [2024-11-07 03:52:55,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497599090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:55,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:55,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 03:52:55,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942219033] [2024-11-07 03:52:55,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:55,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 03:52:55,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:55,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 03:52:55,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-07 03:52:55,945 INFO L87 Difference]: Start difference. First operand 4153 states and 5923 transitions. Second operand has 7 states, 7 states have (on average 24.428571428571427) internal successors, (171), 7 states have internal predecessors, (171), 0 states have call successors, (0), 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 03:52:56,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:56,036 INFO L93 Difference]: Finished difference Result 8171 states and 11654 transitions. [2024-11-07 03:52:56,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 03:52:56,037 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.428571428571427) internal successors, (171), 7 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2024-11-07 03:52:56,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:56,040 INFO L225 Difference]: With dead ends: 8171 [2024-11-07 03:52:56,040 INFO L226 Difference]: Without dead ends: 4189 [2024-11-07 03:52:56,041 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-07 03:52:56,042 INFO L432 NwaCegarLoop]: 1043 mSDtfsCounter, 1037 mSDsluCounter, 3123 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1037 SdHoareTripleChecker+Valid, 4166 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:56,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1037 Valid, 4166 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 03:52:56,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4189 states. [2024-11-07 03:52:56,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4189 to 4169. [2024-11-07 03:52:56,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4169 states, 4168 states have (on average 1.4258637236084453) internal successors, (5943), 4168 states have internal predecessors, (5943), 0 states have call successors, (0), 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 03:52:56,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4169 states to 4169 states and 5943 transitions. [2024-11-07 03:52:56,063 INFO L78 Accepts]: Start accepts. Automaton has 4169 states and 5943 transitions. Word has length 171 [2024-11-07 03:52:56,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:56,063 INFO L471 AbstractCegarLoop]: Abstraction has 4169 states and 5943 transitions. [2024-11-07 03:52:56,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.428571428571427) internal successors, (171), 7 states have internal predecessors, (171), 0 states have call successors, (0), 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 03:52:56,063 INFO L276 IsEmpty]: Start isEmpty. Operand 4169 states and 5943 transitions. [2024-11-07 03:52:56,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-07 03:52:56,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:56,064 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:56,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-11-07 03:52:56,064 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:56,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:56,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1274789950, now seen corresponding path program 1 times [2024-11-07 03:52:56,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:56,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23570542] [2024-11-07 03:52:56,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:56,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 03:52:56,686 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 03:52:56,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 03:52:56,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23570542] [2024-11-07 03:52:56,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23570542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 03:52:56,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 03:52:56,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-07 03:52:56,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466129593] [2024-11-07 03:52:56,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 03:52:56,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 03:52:56,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 03:52:56,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 03:52:56,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2024-11-07 03:52:56,688 INFO L87 Difference]: Start difference. First operand 4169 states and 5943 transitions. Second operand has 14 states, 14 states have (on average 12.214285714285714) internal successors, (171), 14 states have internal predecessors, (171), 0 states have call successors, (0), 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 03:52:56,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 03:52:56,882 INFO L93 Difference]: Finished difference Result 7752 states and 11037 transitions. [2024-11-07 03:52:56,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 03:52:56,883 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.214285714285714) internal successors, (171), 14 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2024-11-07 03:52:56,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 03:52:56,886 INFO L225 Difference]: With dead ends: 7752 [2024-11-07 03:52:56,886 INFO L226 Difference]: Without dead ends: 3846 [2024-11-07 03:52:56,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2024-11-07 03:52:56,889 INFO L432 NwaCegarLoop]: 1044 mSDtfsCounter, 15 mSDsluCounter, 12493 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 13537 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 03:52:56,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 13537 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 03:52:56,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3846 states. [2024-11-07 03:52:56,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3846 to 3662. [2024-11-07 03:52:56,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3662 states, 3661 states have (on average 1.4236547391423109) internal successors, (5212), 3661 states have internal predecessors, (5212), 0 states have call successors, (0), 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 03:52:56,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3662 states to 3662 states and 5212 transitions. [2024-11-07 03:52:56,919 INFO L78 Accepts]: Start accepts. Automaton has 3662 states and 5212 transitions. Word has length 171 [2024-11-07 03:52:56,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 03:52:56,920 INFO L471 AbstractCegarLoop]: Abstraction has 3662 states and 5212 transitions. [2024-11-07 03:52:56,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.214285714285714) internal successors, (171), 14 states have internal predecessors, (171), 0 states have call successors, (0), 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 03:52:56,920 INFO L276 IsEmpty]: Start isEmpty. Operand 3662 states and 5212 transitions. [2024-11-07 03:52:56,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-07 03:52:56,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 03:52:56,921 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:56,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-11-07 03:52:56,921 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 03:52:56,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 03:52:56,922 INFO L85 PathProgramCache]: Analyzing trace with hash 585890167, now seen corresponding path program 1 times [2024-11-07 03:52:56,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 03:52:56,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175621710] [2024-11-07 03:52:56,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 03:52:56,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 03:52:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat