./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem15_label57.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/eca-rers2012/Problem15_label57.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '44d07c49543a420b190637df21c7e31435249a3781140dab3c41eadeeaf7c396'] 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/eca-rers2012/Problem15_label57.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 44d07c49543a420b190637df21c7e31435249a3781140dab3c41eadeeaf7c396 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-06 19:59:07,835 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 19:59:07,891 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-06 19:59:07,894 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 19:59:07,895 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 19:59:07,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 19:59:07,918 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 19:59:07,919 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 19:59:07,919 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 19:59:07,919 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 19:59:07,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 19:59:07,919 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 19:59:07,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 19:59:07,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 19:59:07,921 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 19:59:07,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 19:59:07,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 19:59:07,922 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-06 19:59:07,922 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-06 19:59:07,922 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-06 19:59:07,922 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 19:59:07,922 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 19:59:07,922 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 19:59:07,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 19:59:07,922 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 19:59:07,922 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-06 19:59:07,922 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 19:59:07,922 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 19:59:07,923 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 19:59:07,923 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 19:59:07,923 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 19:59:07,923 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 19:59:07,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 19:59:07,923 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 19:59:07,923 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 19:59:07,923 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 19:59:07,923 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-06 19:59:07,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-06 19:59:07,923 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 19:59:07,923 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 19:59:07,923 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 19:59:07,923 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 19:59:07,923 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44d07c49543a420b190637df21c7e31435249a3781140dab3c41eadeeaf7c396 [2024-11-06 19:59:08,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 19:59:08,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 19:59:08,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 19:59:08,148 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 19:59:08,148 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 19:59:08,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label57.c [2024-11-06 19:59:09,298 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 19:59:09,616 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 19:59:09,617 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label57.c [2024-11-06 19:59:09,643 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b47ea19b0/16b8cee992e040feaa11cdfb37958815/FLAG6da1f7450 [2024-11-06 19:59:09,862 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b47ea19b0/16b8cee992e040feaa11cdfb37958815 [2024-11-06 19:59:09,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 19:59:09,865 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-06 19:59:09,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 19:59:09,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 19:59:09,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 19:59:09,870 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:59:09" (1/1) ... [2024-11-06 19:59:09,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32306cc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:59:09, skipping insertion in model container [2024-11-06 19:59:09,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:59:09" (1/1) ... [2024-11-06 19:59:09,907 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 19:59:10,067 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/eca-rers2012/Problem15_label57.c[5113,5126] [2024-11-06 19:59:10,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 19:59:10,341 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 19:59:10,357 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/eca-rers2012/Problem15_label57.c[5113,5126] [2024-11-06 19:59:10,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 19:59:10,486 INFO L204 MainTranslator]: Completed translation [2024-11-06 19:59:10,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:59:10 WrapperNode [2024-11-06 19:59:10,487 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 19:59:10,487 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 19:59:10,488 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 19:59:10,488 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 19:59:10,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:59:10" (1/1) ... [2024-11-06 19:59:10,508 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:59:10" (1/1) ... [2024-11-06 19:59:10,648 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1760 [2024-11-06 19:59:10,649 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 19:59:10,649 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 19:59:10,649 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 19:59:10,650 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 19:59:10,656 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:59:10" (1/1) ... [2024-11-06 19:59:10,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:59:10" (1/1) ... [2024-11-06 19:59:10,681 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:59:10" (1/1) ... [2024-11-06 19:59:10,771 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]. [2024-11-06 19:59:10,771 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:59:10" (1/1) ... [2024-11-06 19:59:10,771 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:59:10" (1/1) ... [2024-11-06 19:59:10,828 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:59:10" (1/1) ... [2024-11-06 19:59:10,842 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:59:10" (1/1) ... [2024-11-06 19:59:10,861 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:59:10" (1/1) ... [2024-11-06 19:59:10,872 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:59:10" (1/1) ... [2024-11-06 19:59:10,896 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 19:59:10,897 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 19:59:10,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 19:59:10,898 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 19:59:10,899 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:59:10" (1/1) ... [2024-11-06 19:59:10,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 19:59:10,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 19:59:10,948 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) [2024-11-06 19:59:10,952 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 [2024-11-06 19:59:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 19:59:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-06 19:59:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 19:59:10,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 19:59:11,019 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 19:59:11,020 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 19:59:13,078 INFO L? ?]: Removed 246 outVars from TransFormulas that were not future-live. [2024-11-06 19:59:13,078 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 19:59:13,094 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 19:59:13,097 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-06 19:59:13,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:59:13 BoogieIcfgContainer [2024-11-06 19:59:13,097 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 19:59:13,099 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 19:59:13,100 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 19:59:13,103 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 19:59:13,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 07:59:09" (1/3) ... [2024-11-06 19:59:13,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f02caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:59:13, skipping insertion in model container [2024-11-06 19:59:13,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:59:10" (2/3) ... [2024-11-06 19:59:13,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f02caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:59:13, skipping insertion in model container [2024-11-06 19:59:13,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:59:13" (3/3) ... [2024-11-06 19:59:13,106 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label57.c [2024-11-06 19:59:13,118 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 19:59:13,118 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 19:59:13,180 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 19:59:13,191 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;@6881c289, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 19:59:13,191 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 19:59:13,197 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:13,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-06 19:59:13,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 19:59:13,202 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] [2024-11-06 19:59:13,203 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 19:59:13,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 19:59:13,207 INFO L85 PathProgramCache]: Analyzing trace with hash 751578873, now seen corresponding path program 1 times [2024-11-06 19:59:13,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 19:59:13,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216636641] [2024-11-06 19:59:13,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 19:59:13,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 19:59:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 19:59:13,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 19:59:13,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 19:59:13,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216636641] [2024-11-06 19:59:13,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216636641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 19:59:13,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 19:59:13,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 19:59:13,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278567605] [2024-11-06 19:59:13,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 19:59:13,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 19:59:13,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 19:59:13,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 19:59:13,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:13,527 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:15,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 19:59:15,032 INFO L93 Difference]: Finished difference Result 1154 states and 2106 transitions. [2024-11-06 19:59:15,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 19:59:15,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 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 41 [2024-11-06 19:59:15,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 19:59:15,042 INFO L225 Difference]: With dead ends: 1154 [2024-11-06 19:59:15,043 INFO L226 Difference]: Without dead ends: 665 [2024-11-06 19:59:15,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:15,048 INFO L432 NwaCegarLoop]: 334 mSDtfsCounter, 280 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-06 19:59:15,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 383 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-06 19:59:15,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2024-11-06 19:59:15,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663. [2024-11-06 19:59:15,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 662 states have (on average 1.4818731117824773) internal successors, (981), 662 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:15,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 981 transitions. [2024-11-06 19:59:15,094 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 981 transitions. Word has length 41 [2024-11-06 19:59:15,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 19:59:15,094 INFO L471 AbstractCegarLoop]: Abstraction has 663 states and 981 transitions. [2024-11-06 19:59:15,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:15,094 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 981 transitions. [2024-11-06 19:59:15,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-06 19:59:15,098 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 19:59:15,098 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 19:59:15,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-06 19:59:15,099 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 19:59:15,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 19:59:15,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1261028001, now seen corresponding path program 1 times [2024-11-06 19:59:15,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 19:59:15,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366506633] [2024-11-06 19:59:15,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 19:59:15,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 19:59:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 19:59:15,517 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 19:59:15,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 19:59:15,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366506633] [2024-11-06 19:59:15,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366506633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 19:59:15,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 19:59:15,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 19:59:15,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147874599] [2024-11-06 19:59:15,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 19:59:15,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 19:59:15,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 19:59:15,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 19:59:15,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:15,520 INFO L87 Difference]: Start difference. First operand 663 states and 981 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:16,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 19:59:16,665 INFO L93 Difference]: Finished difference Result 1624 states and 2315 transitions. [2024-11-06 19:59:16,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 19:59:16,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2024-11-06 19:59:16,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 19:59:16,670 INFO L225 Difference]: With dead ends: 1624 [2024-11-06 19:59:16,670 INFO L226 Difference]: Without dead ends: 963 [2024-11-06 19:59:16,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:16,676 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 237 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-06 19:59:16,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 337 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-06 19:59:16,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-11-06 19:59:16,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2024-11-06 19:59:16,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 962 states have (on average 1.362785862785863) internal successors, (1311), 962 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:16,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1311 transitions. [2024-11-06 19:59:16,704 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1311 transitions. Word has length 106 [2024-11-06 19:59:16,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 19:59:16,704 INFO L471 AbstractCegarLoop]: Abstraction has 963 states and 1311 transitions. [2024-11-06 19:59:16,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:16,704 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1311 transitions. [2024-11-06 19:59:16,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-06 19:59:16,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 19:59:16,706 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 19:59:16,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-06 19:59:16,707 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 19:59:16,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 19:59:16,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1401995186, now seen corresponding path program 1 times [2024-11-06 19:59:16,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 19:59:16,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986301305] [2024-11-06 19:59:16,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 19:59:16,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 19:59:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 19:59:16,861 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 19:59:16,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 19:59:16,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986301305] [2024-11-06 19:59:16,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986301305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 19:59:16,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 19:59:16,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 19:59:16,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841620385] [2024-11-06 19:59:16,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 19:59:16,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 19:59:16,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 19:59:16,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 19:59:16,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:16,863 INFO L87 Difference]: Start difference. First operand 963 states and 1311 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:18,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 19:59:18,129 INFO L93 Difference]: Finished difference Result 2229 states and 3186 transitions. [2024-11-06 19:59:18,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 19:59:18,130 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2024-11-06 19:59:18,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 19:59:18,136 INFO L225 Difference]: With dead ends: 2229 [2024-11-06 19:59:18,136 INFO L226 Difference]: Without dead ends: 1567 [2024-11-06 19:59:18,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:18,140 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 256 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 839 mSolverCounterSat, 285 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 1124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 285 IncrementalHoareTripleChecker+Valid, 839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-06 19:59:18,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 318 Invalid, 1124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [285 Valid, 839 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-06 19:59:18,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1567 states. [2024-11-06 19:59:18,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1567 to 1266. [2024-11-06 19:59:18,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 1265 states have (on average 1.3043478260869565) internal successors, (1650), 1265 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:18,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1650 transitions. [2024-11-06 19:59:18,160 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1650 transitions. Word has length 111 [2024-11-06 19:59:18,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 19:59:18,161 INFO L471 AbstractCegarLoop]: Abstraction has 1266 states and 1650 transitions. [2024-11-06 19:59:18,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:18,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1650 transitions. [2024-11-06 19:59:18,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-06 19:59:18,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 19:59:18,167 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 19:59:18,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-06 19:59:18,167 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 19:59:18,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 19:59:18,167 INFO L85 PathProgramCache]: Analyzing trace with hash -44666358, now seen corresponding path program 1 times [2024-11-06 19:59:18,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 19:59:18,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695895911] [2024-11-06 19:59:18,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 19:59:18,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 19:59:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 19:59:18,340 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 19:59:18,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 19:59:18,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695895911] [2024-11-06 19:59:18,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695895911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 19:59:18,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 19:59:18,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 19:59:18,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120143848] [2024-11-06 19:59:18,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 19:59:18,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-06 19:59:18,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 19:59:18,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-06 19:59:18,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-06 19:59:18,341 INFO L87 Difference]: Start difference. First operand 1266 states and 1650 transitions. Second operand has 4 states, 4 states have (on average 51.75) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:20,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 19:59:20,550 INFO L93 Difference]: Finished difference Result 4668 states and 6169 transitions. [2024-11-06 19:59:20,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-06 19:59:20,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 51.75) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 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 207 [2024-11-06 19:59:20,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 19:59:20,560 INFO L225 Difference]: With dead ends: 4668 [2024-11-06 19:59:20,560 INFO L226 Difference]: Without dead ends: 3404 [2024-11-06 19:59:20,563 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-06 19:59:20,563 INFO L432 NwaCegarLoop]: 291 mSDtfsCounter, 484 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 2277 mSolverCounterSat, 269 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 2546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 269 IncrementalHoareTripleChecker+Valid, 2277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-06 19:59:20,563 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 377 Invalid, 2546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [269 Valid, 2277 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-06 19:59:20,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3404 states. [2024-11-06 19:59:20,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3404 to 3381. [2024-11-06 19:59:20,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3381 states, 3380 states have (on average 1.2363905325443787) internal successors, (4179), 3380 states have internal predecessors, (4179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:20,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 4179 transitions. [2024-11-06 19:59:20,609 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 4179 transitions. Word has length 207 [2024-11-06 19:59:20,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 19:59:20,610 INFO L471 AbstractCegarLoop]: Abstraction has 3381 states and 4179 transitions. [2024-11-06 19:59:20,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 51.75) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:20,610 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 4179 transitions. [2024-11-06 19:59:20,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-06 19:59:20,612 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 19:59:20,612 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 19:59:20,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-06 19:59:20,612 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 19:59:20,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 19:59:20,613 INFO L85 PathProgramCache]: Analyzing trace with hash -146108908, now seen corresponding path program 1 times [2024-11-06 19:59:20,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 19:59:20,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204328616] [2024-11-06 19:59:20,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 19:59:20,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 19:59:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 19:59:20,786 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-06 19:59:20,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 19:59:20,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204328616] [2024-11-06 19:59:20,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204328616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 19:59:20,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 19:59:20,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 19:59:20,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61542913] [2024-11-06 19:59:20,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 19:59:20,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 19:59:20,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 19:59:20,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 19:59:20,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:20,788 INFO L87 Difference]: Start difference. First operand 3381 states and 4179 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:21,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 19:59:21,804 INFO L93 Difference]: Finished difference Result 8563 states and 10751 transitions. [2024-11-06 19:59:21,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 19:59:21,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 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 211 [2024-11-06 19:59:21,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 19:59:21,818 INFO L225 Difference]: With dead ends: 8563 [2024-11-06 19:59:21,819 INFO L226 Difference]: Without dead ends: 5483 [2024-11-06 19:59:21,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:21,824 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-06 19:59:21,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 339 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-06 19:59:21,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2024-11-06 19:59:21,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 5478. [2024-11-06 19:59:21,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.1683403322987036) internal successors, (6399), 5477 states have internal predecessors, (6399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:21,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6399 transitions. [2024-11-06 19:59:21,903 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6399 transitions. Word has length 211 [2024-11-06 19:59:21,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 19:59:21,903 INFO L471 AbstractCegarLoop]: Abstraction has 5478 states and 6399 transitions. [2024-11-06 19:59:21,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:21,904 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6399 transitions. [2024-11-06 19:59:21,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-11-06 19:59:21,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 19:59:21,907 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 19:59:21,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-06 19:59:21,908 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 19:59:21,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 19:59:21,908 INFO L85 PathProgramCache]: Analyzing trace with hash 2037693932, now seen corresponding path program 1 times [2024-11-06 19:59:21,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 19:59:21,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130475827] [2024-11-06 19:59:21,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 19:59:21,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 19:59:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 19:59:22,359 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-06 19:59:22,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 19:59:22,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130475827] [2024-11-06 19:59:22,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130475827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 19:59:22,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 19:59:22,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 19:59:22,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877969924] [2024-11-06 19:59:22,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 19:59:22,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 19:59:22,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 19:59:22,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 19:59:22,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:22,362 INFO L87 Difference]: Start difference. First operand 5478 states and 6399 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:23,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 19:59:23,264 INFO L93 Difference]: Finished difference Result 10655 states and 12485 transitions. [2024-11-06 19:59:23,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 19:59:23,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 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 313 [2024-11-06 19:59:23,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 19:59:23,277 INFO L225 Difference]: With dead ends: 10655 [2024-11-06 19:59:23,277 INFO L226 Difference]: Without dead ends: 5478 [2024-11-06 19:59:23,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:23,283 INFO L432 NwaCegarLoop]: 324 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-06 19:59:23,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 359 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-06 19:59:23,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5478 states. [2024-11-06 19:59:23,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5478 to 5478. [2024-11-06 19:59:23,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.1672448420668249) internal successors, (6393), 5477 states have internal predecessors, (6393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:23,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6393 transitions. [2024-11-06 19:59:23,346 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6393 transitions. Word has length 313 [2024-11-06 19:59:23,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 19:59:23,346 INFO L471 AbstractCegarLoop]: Abstraction has 5478 states and 6393 transitions. [2024-11-06 19:59:23,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:23,346 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6393 transitions. [2024-11-06 19:59:23,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2024-11-06 19:59:23,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 19:59:23,349 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 19:59:23,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-06 19:59:23,349 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 19:59:23,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 19:59:23,350 INFO L85 PathProgramCache]: Analyzing trace with hash -676681507, now seen corresponding path program 1 times [2024-11-06 19:59:23,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 19:59:23,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768716011] [2024-11-06 19:59:23,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 19:59:23,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 19:59:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 19:59:23,506 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-06 19:59:23,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 19:59:23,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768716011] [2024-11-06 19:59:23,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768716011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 19:59:23,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 19:59:23,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 19:59:23,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523460315] [2024-11-06 19:59:23,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 19:59:23,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 19:59:23,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 19:59:23,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 19:59:23,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:23,508 INFO L87 Difference]: Start difference. First operand 5478 states and 6393 transitions. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:24,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 19:59:24,558 INFO L93 Difference]: Finished difference Result 11851 states and 14145 transitions. [2024-11-06 19:59:24,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 19:59:24,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 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 328 [2024-11-06 19:59:24,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 19:59:24,573 INFO L225 Difference]: With dead ends: 11851 [2024-11-06 19:59:24,573 INFO L226 Difference]: Without dead ends: 6674 [2024-11-06 19:59:24,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:24,582 INFO L432 NwaCegarLoop]: 277 mSDtfsCounter, 274 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-06 19:59:24,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 322 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-06 19:59:24,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states. [2024-11-06 19:59:24,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 4577. [2024-11-06 19:59:24,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4577 states, 4576 states have (on average 1.1840034965034965) internal successors, (5418), 4576 states have internal predecessors, (5418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:24,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4577 states to 4577 states and 5418 transitions. [2024-11-06 19:59:24,635 INFO L78 Accepts]: Start accepts. Automaton has 4577 states and 5418 transitions. Word has length 328 [2024-11-06 19:59:24,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 19:59:24,636 INFO L471 AbstractCegarLoop]: Abstraction has 4577 states and 5418 transitions. [2024-11-06 19:59:24,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:24,636 INFO L276 IsEmpty]: Start isEmpty. Operand 4577 states and 5418 transitions. [2024-11-06 19:59:24,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2024-11-06 19:59:24,639 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 19:59:24,639 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 19:59:24,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-06 19:59:24,640 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 19:59:24,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 19:59:24,640 INFO L85 PathProgramCache]: Analyzing trace with hash -753271270, now seen corresponding path program 1 times [2024-11-06 19:59:24,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 19:59:24,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274288317] [2024-11-06 19:59:24,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 19:59:24,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 19:59:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 19:59:24,957 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-06 19:59:24,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 19:59:24,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274288317] [2024-11-06 19:59:24,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274288317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 19:59:24,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 19:59:24,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 19:59:24,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153347022] [2024-11-06 19:59:24,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 19:59:24,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 19:59:24,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 19:59:24,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 19:59:24,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:24,959 INFO L87 Difference]: Start difference. First operand 4577 states and 5418 transitions. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:26,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 19:59:26,301 INFO L93 Difference]: Finished difference Result 10955 states and 13233 transitions. [2024-11-06 19:59:26,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 19:59:26,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 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 387 [2024-11-06 19:59:26,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 19:59:26,318 INFO L225 Difference]: With dead ends: 10955 [2024-11-06 19:59:26,318 INFO L226 Difference]: Without dead ends: 6679 [2024-11-06 19:59:26,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:26,323 INFO L432 NwaCegarLoop]: 600 mSDtfsCounter, 287 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-06 19:59:26,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 637 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-06 19:59:26,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6679 states. [2024-11-06 19:59:26,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6679 to 6081. [2024-11-06 19:59:26,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6081 states, 6080 states have (on average 1.1572368421052632) internal successors, (7036), 6080 states have internal predecessors, (7036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:26,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6081 states to 6081 states and 7036 transitions. [2024-11-06 19:59:26,407 INFO L78 Accepts]: Start accepts. Automaton has 6081 states and 7036 transitions. Word has length 387 [2024-11-06 19:59:26,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 19:59:26,408 INFO L471 AbstractCegarLoop]: Abstraction has 6081 states and 7036 transitions. [2024-11-06 19:59:26,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:26,408 INFO L276 IsEmpty]: Start isEmpty. Operand 6081 states and 7036 transitions. [2024-11-06 19:59:26,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2024-11-06 19:59:26,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 19:59:26,412 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 19:59:26,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-06 19:59:26,412 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 19:59:26,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 19:59:26,413 INFO L85 PathProgramCache]: Analyzing trace with hash -20645050, now seen corresponding path program 1 times [2024-11-06 19:59:26,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 19:59:26,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753136179] [2024-11-06 19:59:26,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 19:59:26,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 19:59:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 19:59:26,611 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 19:59:26,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 19:59:26,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753136179] [2024-11-06 19:59:26,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753136179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 19:59:26,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 19:59:26,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 19:59:26,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031602010] [2024-11-06 19:59:26,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 19:59:26,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 19:59:26,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 19:59:26,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 19:59:26,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:26,614 INFO L87 Difference]: Start difference. First operand 6081 states and 7036 transitions. Second operand has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:27,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 19:59:27,756 INFO L93 Difference]: Finished difference Result 13965 states and 16476 transitions. [2024-11-06 19:59:27,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 19:59:27,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 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 393 [2024-11-06 19:59:27,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 19:59:27,768 INFO L225 Difference]: With dead ends: 13965 [2024-11-06 19:59:27,768 INFO L226 Difference]: Without dead ends: 8185 [2024-11-06 19:59:27,772 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:27,772 INFO L432 NwaCegarLoop]: 564 mSDtfsCounter, 248 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 904 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-06 19:59:27,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 603 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 904 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-06 19:59:27,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8185 states. [2024-11-06 19:59:27,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8185 to 7584. [2024-11-06 19:59:27,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7584 states, 7583 states have (on average 1.1422919688777529) internal successors, (8662), 7583 states have internal predecessors, (8662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:27,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7584 states to 7584 states and 8662 transitions. [2024-11-06 19:59:27,830 INFO L78 Accepts]: Start accepts. Automaton has 7584 states and 8662 transitions. Word has length 393 [2024-11-06 19:59:27,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 19:59:27,831 INFO L471 AbstractCegarLoop]: Abstraction has 7584 states and 8662 transitions. [2024-11-06 19:59:27,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:27,831 INFO L276 IsEmpty]: Start isEmpty. Operand 7584 states and 8662 transitions. [2024-11-06 19:59:27,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2024-11-06 19:59:27,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 19:59:27,835 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 19:59:27,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-06 19:59:27,835 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 19:59:27,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 19:59:27,836 INFO L85 PathProgramCache]: Analyzing trace with hash 236880845, now seen corresponding path program 1 times [2024-11-06 19:59:27,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 19:59:27,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542022083] [2024-11-06 19:59:27,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 19:59:27,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 19:59:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 19:59:28,018 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-06 19:59:28,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 19:59:28,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542022083] [2024-11-06 19:59:28,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542022083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 19:59:28,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 19:59:28,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 19:59:28,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189203037] [2024-11-06 19:59:28,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 19:59:28,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 19:59:28,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 19:59:28,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 19:59:28,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:28,020 INFO L87 Difference]: Start difference. First operand 7584 states and 8662 transitions. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:29,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 19:59:29,013 INFO L93 Difference]: Finished difference Result 16661 states and 19392 transitions. [2024-11-06 19:59:29,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 19:59:29,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 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 410 [2024-11-06 19:59:29,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 19:59:29,027 INFO L225 Difference]: With dead ends: 16661 [2024-11-06 19:59:29,027 INFO L226 Difference]: Without dead ends: 9378 [2024-11-06 19:59:29,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:29,036 INFO L432 NwaCegarLoop]: 580 mSDtfsCounter, 246 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 880 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 1122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-06 19:59:29,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 619 Invalid, 1122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 880 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-06 19:59:29,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9378 states. [2024-11-06 19:59:29,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9378 to 9075. [2024-11-06 19:59:29,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9075 states, 9074 states have (on average 1.1318051575931232) internal successors, (10270), 9074 states have internal predecessors, (10270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:29,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9075 states to 9075 states and 10270 transitions. [2024-11-06 19:59:29,109 INFO L78 Accepts]: Start accepts. Automaton has 9075 states and 10270 transitions. Word has length 410 [2024-11-06 19:59:29,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 19:59:29,110 INFO L471 AbstractCegarLoop]: Abstraction has 9075 states and 10270 transitions. [2024-11-06 19:59:29,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:29,111 INFO L276 IsEmpty]: Start isEmpty. Operand 9075 states and 10270 transitions. [2024-11-06 19:59:29,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2024-11-06 19:59:29,115 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 19:59:29,115 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 19:59:29,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-06 19:59:29,115 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 19:59:29,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 19:59:29,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1747364082, now seen corresponding path program 1 times [2024-11-06 19:59:29,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 19:59:29,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834276889] [2024-11-06 19:59:29,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 19:59:29,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 19:59:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 19:59:29,553 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 487 proven. 39 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-06 19:59:29,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 19:59:29,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834276889] [2024-11-06 19:59:29,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834276889] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 19:59:29,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699271003] [2024-11-06 19:59:29,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 19:59:29,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 19:59:29,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 19:59:29,556 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 19:59:29,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-06 19:59:29,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 19:59:29,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 19:59:29,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 19:59:29,836 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2024-11-06 19:59:29,836 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 19:59:29,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699271003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 19:59:29,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 19:59:29,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-06 19:59:29,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67052183] [2024-11-06 19:59:29,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 19:59:29,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 19:59:29,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 19:59:29,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 19:59:29,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-06 19:59:29,838 INFO L87 Difference]: Start difference. First operand 9075 states and 10270 transitions. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:31,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 19:59:31,002 INFO L93 Difference]: Finished difference Result 20240 states and 23189 transitions. [2024-11-06 19:59:31,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 19:59:31,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 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 525 [2024-11-06 19:59:31,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 19:59:31,017 INFO L225 Difference]: With dead ends: 20240 [2024-11-06 19:59:31,017 INFO L226 Difference]: Without dead ends: 11466 [2024-11-06 19:59:31,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 524 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-06 19:59:31,025 INFO L432 NwaCegarLoop]: 427 mSDtfsCounter, 376 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 969 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 1096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-06 19:59:31,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 447 Invalid, 1096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 969 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-06 19:59:31,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11466 states. [2024-11-06 19:59:31,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11466 to 11466. [2024-11-06 19:59:31,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11466 states, 11465 states have (on average 1.1365896205843873) internal successors, (13031), 11465 states have internal predecessors, (13031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:31,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11466 states to 11466 states and 13031 transitions. [2024-11-06 19:59:31,124 INFO L78 Accepts]: Start accepts. Automaton has 11466 states and 13031 transitions. Word has length 525 [2024-11-06 19:59:31,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 19:59:31,124 INFO L471 AbstractCegarLoop]: Abstraction has 11466 states and 13031 transitions. [2024-11-06 19:59:31,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:31,124 INFO L276 IsEmpty]: Start isEmpty. Operand 11466 states and 13031 transitions. [2024-11-06 19:59:31,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2024-11-06 19:59:31,129 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 19:59:31,129 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 19:59:31,143 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-06 19:59:31,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-06 19:59:31,331 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 19:59:31,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 19:59:31,331 INFO L85 PathProgramCache]: Analyzing trace with hash 2144669948, now seen corresponding path program 1 times [2024-11-06 19:59:31,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 19:59:31,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751356574] [2024-11-06 19:59:31,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 19:59:31,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 19:59:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 19:59:31,633 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-11-06 19:59:31,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 19:59:31,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751356574] [2024-11-06 19:59:31,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751356574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 19:59:31,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 19:59:31,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 19:59:31,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254909561] [2024-11-06 19:59:31,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 19:59:31,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 19:59:31,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 19:59:31,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 19:59:31,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:31,635 INFO L87 Difference]: Start difference. First operand 11466 states and 13031 transitions. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:32,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 19:59:32,809 INFO L93 Difference]: Finished difference Result 27130 states and 31138 transitions. [2024-11-06 19:59:32,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 19:59:32,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 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 529 [2024-11-06 19:59:32,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 19:59:32,825 INFO L225 Difference]: With dead ends: 27130 [2024-11-06 19:59:32,825 INFO L226 Difference]: Without dead ends: 15965 [2024-11-06 19:59:32,835 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:32,836 INFO L432 NwaCegarLoop]: 588 mSDtfsCounter, 246 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 1210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-06 19:59:32,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 621 Invalid, 1210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-06 19:59:32,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15965 states. [2024-11-06 19:59:32,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15965 to 15356. [2024-11-06 19:59:32,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15356 states, 15355 states have (on average 1.1285574731357864) internal successors, (17329), 15355 states have internal predecessors, (17329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:32,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15356 states to 15356 states and 17329 transitions. [2024-11-06 19:59:32,968 INFO L78 Accepts]: Start accepts. Automaton has 15356 states and 17329 transitions. Word has length 529 [2024-11-06 19:59:32,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 19:59:32,969 INFO L471 AbstractCegarLoop]: Abstraction has 15356 states and 17329 transitions. [2024-11-06 19:59:32,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:32,969 INFO L276 IsEmpty]: Start isEmpty. Operand 15356 states and 17329 transitions. [2024-11-06 19:59:32,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 605 [2024-11-06 19:59:32,976 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 19:59:32,976 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 19:59:32,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-06 19:59:32,976 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 19:59:32,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 19:59:32,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1150914448, now seen corresponding path program 1 times [2024-11-06 19:59:32,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 19:59:32,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284264206] [2024-11-06 19:59:32,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 19:59:32,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 19:59:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 19:59:33,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 644 proven. 39 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-11-06 19:59:33,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 19:59:33,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284264206] [2024-11-06 19:59:33,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284264206] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 19:59:33,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129681204] [2024-11-06 19:59:33,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 19:59:33,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 19:59:33,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 19:59:33,395 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 19:59:33,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-06 19:59:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 19:59:33,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 19:59:33,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 19:59:33,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 505 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2024-11-06 19:59:33,706 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 19:59:33,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [129681204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 19:59:33,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 19:59:33,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-06 19:59:33,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021898161] [2024-11-06 19:59:33,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 19:59:33,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 19:59:33,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 19:59:33,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 19:59:33,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-06 19:59:33,708 INFO L87 Difference]: Start difference. First operand 15356 states and 17329 transitions. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:34,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 19:59:34,640 INFO L93 Difference]: Finished difference Result 30108 states and 34016 transitions. [2024-11-06 19:59:34,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 19:59:34,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 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 604 [2024-11-06 19:59:34,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 19:59:34,653 INFO L225 Difference]: With dead ends: 30108 [2024-11-06 19:59:34,654 INFO L226 Difference]: Without dead ends: 15053 [2024-11-06 19:59:34,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 607 GetRequests, 603 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-06 19:59:34,664 INFO L432 NwaCegarLoop]: 567 mSDtfsCounter, 252 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 878 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 1086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-06 19:59:34,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 604 Invalid, 1086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 878 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-06 19:59:34,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15053 states. [2024-11-06 19:59:34,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15053 to 15052. [2024-11-06 19:59:34,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15052 states, 15051 states have (on average 1.0794631585941135) internal successors, (16247), 15051 states have internal predecessors, (16247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:34,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15052 states to 15052 states and 16247 transitions. [2024-11-06 19:59:34,775 INFO L78 Accepts]: Start accepts. Automaton has 15052 states and 16247 transitions. Word has length 604 [2024-11-06 19:59:34,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 19:59:34,776 INFO L471 AbstractCegarLoop]: Abstraction has 15052 states and 16247 transitions. [2024-11-06 19:59:34,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:34,776 INFO L276 IsEmpty]: Start isEmpty. Operand 15052 states and 16247 transitions. [2024-11-06 19:59:34,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2024-11-06 19:59:34,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 19:59:34,782 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 19:59:34,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-06 19:59:34,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 19:59:34,983 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 19:59:34,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 19:59:34,984 INFO L85 PathProgramCache]: Analyzing trace with hash -2107718095, now seen corresponding path program 1 times [2024-11-06 19:59:34,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 19:59:34,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117528398] [2024-11-06 19:59:34,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 19:59:34,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 19:59:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 19:59:35,399 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 571 proven. 39 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-06 19:59:35,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 19:59:35,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117528398] [2024-11-06 19:59:35,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117528398] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 19:59:35,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796911510] [2024-11-06 19:59:35,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 19:59:35,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 19:59:35,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 19:59:35,401 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 19:59:35,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-06 19:59:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 19:59:35,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-06 19:59:35,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 19:59:36,178 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 571 proven. 39 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-06 19:59:36,178 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 19:59:36,730 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 571 proven. 39 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-06 19:59:36,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [796911510] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-06 19:59:36,730 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-06 19:59:36,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-06 19:59:36,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573884905] [2024-11-06 19:59:36,730 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-06 19:59:36,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-06 19:59:36,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 19:59:36,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-06 19:59:36,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-06 19:59:36,732 INFO L87 Difference]: Start difference. First operand 15052 states and 16247 transitions. Second operand has 9 states, 9 states have (on average 86.33333333333333) internal successors, (777), 8 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:41,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 19:59:41,823 INFO L93 Difference]: Finished difference Result 38434 states and 41452 transitions. [2024-11-06 19:59:41,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-06 19:59:41,823 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 86.33333333333333) internal successors, (777), 8 states have internal predecessors, (777), 0 states have call successors, (0), 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 605 [2024-11-06 19:59:41,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 19:59:41,838 INFO L225 Difference]: With dead ends: 38434 [2024-11-06 19:59:41,838 INFO L226 Difference]: Without dead ends: 16247 [2024-11-06 19:59:41,849 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1219 GetRequests, 1205 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2024-11-06 19:59:41,849 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 2851 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 6438 mSolverCounterSat, 669 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2851 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 7107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 669 IncrementalHoareTripleChecker+Valid, 6438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-06 19:59:41,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2851 Valid, 277 Invalid, 7107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [669 Valid, 6438 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-11-06 19:59:41,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16247 states. [2024-11-06 19:59:41,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16247 to 12357. [2024-11-06 19:59:41,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12357 states, 12356 states have (on average 1.0382000647458725) internal successors, (12828), 12356 states have internal predecessors, (12828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:41,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12357 states to 12357 states and 12828 transitions. [2024-11-06 19:59:41,951 INFO L78 Accepts]: Start accepts. Automaton has 12357 states and 12828 transitions. Word has length 605 [2024-11-06 19:59:41,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 19:59:41,951 INFO L471 AbstractCegarLoop]: Abstraction has 12357 states and 12828 transitions. [2024-11-06 19:59:41,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 86.33333333333333) internal successors, (777), 8 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:41,952 INFO L276 IsEmpty]: Start isEmpty. Operand 12357 states and 12828 transitions. [2024-11-06 19:59:41,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 643 [2024-11-06 19:59:41,972 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 19:59:41,973 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 19:59:41,989 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-06 19:59:42,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 19:59:42,174 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 19:59:42,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 19:59:42,175 INFO L85 PathProgramCache]: Analyzing trace with hash -357542820, now seen corresponding path program 1 times [2024-11-06 19:59:42,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 19:59:42,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593510679] [2024-11-06 19:59:42,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 19:59:42,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 19:59:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 19:59:42,404 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2024-11-06 19:59:42,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 19:59:42,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593510679] [2024-11-06 19:59:42,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593510679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 19:59:42,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 19:59:42,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 19:59:42,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858487583] [2024-11-06 19:59:42,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 19:59:42,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 19:59:42,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 19:59:42,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 19:59:42,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:42,406 INFO L87 Difference]: Start difference. First operand 12357 states and 12828 transitions. Second operand has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:43,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 19:59:43,060 INFO L93 Difference]: Finished difference Result 28295 states and 29423 transitions. [2024-11-06 19:59:43,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 19:59:43,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 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 642 [2024-11-06 19:59:43,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 19:59:43,074 INFO L225 Difference]: With dead ends: 28295 [2024-11-06 19:59:43,075 INFO L226 Difference]: Without dead ends: 15940 [2024-11-06 19:59:43,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:43,083 INFO L432 NwaCegarLoop]: 496 mSDtfsCounter, 273 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-06 19:59:43,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 535 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-06 19:59:43,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15940 states. [2024-11-06 19:59:43,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15940 to 15043. [2024-11-06 19:59:43,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15043 states, 15042 states have (on average 1.032974338518814) internal successors, (15538), 15042 states have internal predecessors, (15538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:43,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15043 states to 15043 states and 15538 transitions. [2024-11-06 19:59:43,241 INFO L78 Accepts]: Start accepts. Automaton has 15043 states and 15538 transitions. Word has length 642 [2024-11-06 19:59:43,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 19:59:43,241 INFO L471 AbstractCegarLoop]: Abstraction has 15043 states and 15538 transitions. [2024-11-06 19:59:43,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:43,242 INFO L276 IsEmpty]: Start isEmpty. Operand 15043 states and 15538 transitions. [2024-11-06 19:59:43,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2024-11-06 19:59:43,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 19:59:43,247 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 19:59:43,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-06 19:59:43,247 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 19:59:43,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 19:59:43,247 INFO L85 PathProgramCache]: Analyzing trace with hash -698917892, now seen corresponding path program 1 times [2024-11-06 19:59:43,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 19:59:43,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856663322] [2024-11-06 19:59:43,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 19:59:43,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 19:59:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 19:59:43,512 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2024-11-06 19:59:43,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 19:59:43,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856663322] [2024-11-06 19:59:43,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856663322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 19:59:43,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 19:59:43,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-06 19:59:43,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378163304] [2024-11-06 19:59:43,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 19:59:43,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-06 19:59:43,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 19:59:43,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-06 19:59:43,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-06 19:59:43,514 INFO L87 Difference]: Start difference. First operand 15043 states and 15538 transitions. Second operand has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:44,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 19:59:44,626 INFO L93 Difference]: Finished difference Result 33973 states and 35169 transitions. [2024-11-06 19:59:44,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-06 19:59:44,627 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 0 states have call successors, (0), 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 666 [2024-11-06 19:59:44,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 19:59:44,644 INFO L225 Difference]: With dead ends: 33973 [2024-11-06 19:59:44,644 INFO L226 Difference]: Without dead ends: 18932 [2024-11-06 19:59:44,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-06 19:59:44,656 INFO L432 NwaCegarLoop]: 391 mSDtfsCounter, 690 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 1434 mSolverCounterSat, 249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 1683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 249 IncrementalHoareTripleChecker+Valid, 1434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-06 19:59:44,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [690 Valid, 426 Invalid, 1683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [249 Valid, 1434 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-06 19:59:44,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18932 states. [2024-11-06 19:59:44,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18932 to 18035. [2024-11-06 19:59:44,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18035 states, 18034 states have (on average 1.0311633581013642) internal successors, (18596), 18034 states have internal predecessors, (18596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:44,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18035 states to 18035 states and 18596 transitions. [2024-11-06 19:59:44,854 INFO L78 Accepts]: Start accepts. Automaton has 18035 states and 18596 transitions. Word has length 666 [2024-11-06 19:59:44,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 19:59:44,855 INFO L471 AbstractCegarLoop]: Abstraction has 18035 states and 18596 transitions. [2024-11-06 19:59:44,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:44,855 INFO L276 IsEmpty]: Start isEmpty. Operand 18035 states and 18596 transitions. [2024-11-06 19:59:44,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 698 [2024-11-06 19:59:44,865 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 19:59:44,865 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 19:59:44,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-06 19:59:44,865 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 19:59:44,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 19:59:44,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1885333812, now seen corresponding path program 1 times [2024-11-06 19:59:44,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 19:59:44,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247939134] [2024-11-06 19:59:44,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 19:59:44,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 19:59:44,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 19:59:45,100 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-11-06 19:59:45,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 19:59:45,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247939134] [2024-11-06 19:59:45,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247939134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 19:59:45,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 19:59:45,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 19:59:45,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459236185] [2024-11-06 19:59:45,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 19:59:45,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 19:59:45,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 19:59:45,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 19:59:45,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:45,102 INFO L87 Difference]: Start difference. First operand 18035 states and 18596 transitions. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:45,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 19:59:45,696 INFO L93 Difference]: Finished difference Result 36065 states and 37196 transitions. [2024-11-06 19:59:45,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 19:59:45,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 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 697 [2024-11-06 19:59:45,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 19:59:45,712 INFO L225 Difference]: With dead ends: 36065 [2024-11-06 19:59:45,713 INFO L226 Difference]: Without dead ends: 18331 [2024-11-06 19:59:45,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:45,723 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 435 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-06 19:59:45,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 67 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-06 19:59:45,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18331 states. [2024-11-06 19:59:45,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18331 to 18031. [2024-11-06 19:59:45,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18031 states, 18030 states have (on average 1.031003882418192) internal successors, (18589), 18030 states have internal predecessors, (18589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:45,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18031 states to 18031 states and 18589 transitions. [2024-11-06 19:59:45,884 INFO L78 Accepts]: Start accepts. Automaton has 18031 states and 18589 transitions. Word has length 697 [2024-11-06 19:59:45,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 19:59:45,885 INFO L471 AbstractCegarLoop]: Abstraction has 18031 states and 18589 transitions. [2024-11-06 19:59:45,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:45,885 INFO L276 IsEmpty]: Start isEmpty. Operand 18031 states and 18589 transitions. [2024-11-06 19:59:45,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2024-11-06 19:59:45,894 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 19:59:45,894 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 19:59:45,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-06 19:59:45,894 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 19:59:45,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 19:59:45,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1320990413, now seen corresponding path program 1 times [2024-11-06 19:59:45,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 19:59:45,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616210111] [2024-11-06 19:59:45,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 19:59:45,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 19:59:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 19:59:46,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1222 backedges. 648 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2024-11-06 19:59:46,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 19:59:46,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616210111] [2024-11-06 19:59:46,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616210111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 19:59:46,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 19:59:46,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 19:59:46,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713159758] [2024-11-06 19:59:46,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 19:59:46,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 19:59:46,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 19:59:46,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 19:59:46,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:46,165 INFO L87 Difference]: Start difference. First operand 18031 states and 18589 transitions. Second operand has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:46,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 19:59:46,886 INFO L93 Difference]: Finished difference Result 38449 states and 39675 transitions. [2024-11-06 19:59:46,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 19:59:46,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 0 states have call successors, (0), 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 768 [2024-11-06 19:59:46,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 19:59:46,906 INFO L225 Difference]: With dead ends: 38449 [2024-11-06 19:59:46,906 INFO L226 Difference]: Without dead ends: 20719 [2024-11-06 19:59:46,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:46,917 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 184 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-06 19:59:46,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 161 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-06 19:59:46,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20719 states. [2024-11-06 19:59:47,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20719 to 19523. [2024-11-06 19:59:47,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19523 states, 19522 states have (on average 1.0284806884540518) internal successors, (20078), 19522 states have internal predecessors, (20078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:47,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19523 states to 19523 states and 20078 transitions. [2024-11-06 19:59:47,094 INFO L78 Accepts]: Start accepts. Automaton has 19523 states and 20078 transitions. Word has length 768 [2024-11-06 19:59:47,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 19:59:47,094 INFO L471 AbstractCegarLoop]: Abstraction has 19523 states and 20078 transitions. [2024-11-06 19:59:47,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:47,095 INFO L276 IsEmpty]: Start isEmpty. Operand 19523 states and 20078 transitions. [2024-11-06 19:59:47,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 790 [2024-11-06 19:59:47,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 19:59:47,104 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 19:59:47,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-06 19:59:47,104 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 19:59:47,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 19:59:47,105 INFO L85 PathProgramCache]: Analyzing trace with hash 2047922790, now seen corresponding path program 1 times [2024-11-06 19:59:47,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 19:59:47,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561883196] [2024-11-06 19:59:47,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 19:59:47,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 19:59:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 19:59:47,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1245 backedges. 669 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2024-11-06 19:59:47,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 19:59:47,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561883196] [2024-11-06 19:59:47,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561883196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 19:59:47,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 19:59:47,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 19:59:47,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225777561] [2024-11-06 19:59:47,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 19:59:47,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 19:59:47,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 19:59:47,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 19:59:47,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:47,332 INFO L87 Difference]: Start difference. First operand 19523 states and 20078 transitions. Second operand has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:47,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 19:59:47,976 INFO L93 Difference]: Finished difference Result 41433 states and 42655 transitions. [2024-11-06 19:59:47,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 19:59:47,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 0 states have call successors, (0), 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 789 [2024-11-06 19:59:47,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 19:59:47,996 INFO L225 Difference]: With dead ends: 41433 [2024-11-06 19:59:47,996 INFO L226 Difference]: Without dead ends: 21912 [2024-11-06 19:59:48,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:48,008 INFO L432 NwaCegarLoop]: 433 mSDtfsCounter, 163 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-06 19:59:48,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 460 Invalid, 830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 721 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-06 19:59:48,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21912 states. [2024-11-06 19:59:48,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21912 to 17124. [2024-11-06 19:59:48,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17124 states, 17123 states have (on average 1.0263972434736903) internal successors, (17575), 17123 states have internal predecessors, (17575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:48,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17124 states to 17124 states and 17575 transitions. [2024-11-06 19:59:48,188 INFO L78 Accepts]: Start accepts. Automaton has 17124 states and 17575 transitions. Word has length 789 [2024-11-06 19:59:48,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 19:59:48,189 INFO L471 AbstractCegarLoop]: Abstraction has 17124 states and 17575 transitions. [2024-11-06 19:59:48,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:48,189 INFO L276 IsEmpty]: Start isEmpty. Operand 17124 states and 17575 transitions. [2024-11-06 19:59:48,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 827 [2024-11-06 19:59:48,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 19:59:48,198 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 19:59:48,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-06 19:59:48,198 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 19:59:48,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 19:59:48,198 INFO L85 PathProgramCache]: Analyzing trace with hash 462925156, now seen corresponding path program 1 times [2024-11-06 19:59:48,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 19:59:48,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177659640] [2024-11-06 19:59:48,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 19:59:48,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 19:59:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 19:59:48,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1034 backedges. 532 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2024-11-06 19:59:48,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 19:59:48,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177659640] [2024-11-06 19:59:48,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177659640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 19:59:48,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 19:59:48,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 19:59:48,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422910440] [2024-11-06 19:59:48,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 19:59:48,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 19:59:48,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 19:59:48,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 19:59:48,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:48,477 INFO L87 Difference]: Start difference. First operand 17124 states and 17575 transitions. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:49,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 19:59:49,112 INFO L93 Difference]: Finished difference Result 36039 states and 37016 transitions. [2024-11-06 19:59:49,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 19:59:49,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 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 826 [2024-11-06 19:59:49,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 19:59:49,132 INFO L225 Difference]: With dead ends: 36039 [2024-11-06 19:59:49,132 INFO L226 Difference]: Without dead ends: 19216 [2024-11-06 19:59:49,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:49,143 INFO L432 NwaCegarLoop]: 464 mSDtfsCounter, 310 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-06 19:59:49,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 504 Invalid, 774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-06 19:59:49,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19216 states. [2024-11-06 19:59:49,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19216 to 18020. [2024-11-06 19:59:49,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18020 states, 18019 states have (on average 1.0254176147399967) internal successors, (18477), 18019 states have internal predecessors, (18477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:49,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18020 states to 18020 states and 18477 transitions. [2024-11-06 19:59:49,377 INFO L78 Accepts]: Start accepts. Automaton has 18020 states and 18477 transitions. Word has length 826 [2024-11-06 19:59:49,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 19:59:49,378 INFO L471 AbstractCegarLoop]: Abstraction has 18020 states and 18477 transitions. [2024-11-06 19:59:49,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:49,378 INFO L276 IsEmpty]: Start isEmpty. Operand 18020 states and 18477 transitions. [2024-11-06 19:59:49,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 848 [2024-11-06 19:59:49,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 19:59:49,392 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 19:59:49,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-06 19:59:49,392 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 19:59:49,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 19:59:49,392 INFO L85 PathProgramCache]: Analyzing trace with hash 849786758, now seen corresponding path program 1 times [2024-11-06 19:59:49,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 19:59:49,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336140554] [2024-11-06 19:59:49,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 19:59:49,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 19:59:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 19:59:50,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1050 backedges. 597 proven. 269 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-06 19:59:50,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 19:59:50,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336140554] [2024-11-06 19:59:50,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336140554] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 19:59:50,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636951637] [2024-11-06 19:59:50,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 19:59:50,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 19:59:50,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 19:59:50,461 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 19:59:50,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-06 19:59:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 19:59:50,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 982 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 19:59:50,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 19:59:50,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1050 backedges. 570 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-06 19:59:50,894 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 19:59:50,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636951637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 19:59:50,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 19:59:50,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-06 19:59:50,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711723787] [2024-11-06 19:59:50,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 19:59:50,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-06 19:59:50,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 19:59:50,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-06 19:59:50,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-06 19:59:50,895 INFO L87 Difference]: Start difference. First operand 18020 states and 18477 transitions. Second operand has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:52,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 19:59:52,011 INFO L93 Difference]: Finished difference Result 42334 states and 43384 transitions. [2024-11-06 19:59:52,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-06 19:59:52,011 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 0 states have call successors, (0), 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 847 [2024-11-06 19:59:52,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 19:59:52,035 INFO L225 Difference]: With dead ends: 42334 [2024-11-06 19:59:52,035 INFO L226 Difference]: Without dead ends: 24615 [2024-11-06 19:59:52,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 850 GetRequests, 845 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-06 19:59:52,048 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 505 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 1513 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 1667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 1513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-06 19:59:52,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 121 Invalid, 1667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 1513 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-06 19:59:52,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24615 states. [2024-11-06 19:59:52,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24615 to 18622. [2024-11-06 19:59:52,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18622 states, 18621 states have (on average 1.0251866172600828) internal successors, (19090), 18621 states have internal predecessors, (19090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:52,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18622 states to 18622 states and 19090 transitions. [2024-11-06 19:59:52,300 INFO L78 Accepts]: Start accepts. Automaton has 18622 states and 19090 transitions. Word has length 847 [2024-11-06 19:59:52,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 19:59:52,300 INFO L471 AbstractCegarLoop]: Abstraction has 18622 states and 19090 transitions. [2024-11-06 19:59:52,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:52,300 INFO L276 IsEmpty]: Start isEmpty. Operand 18622 states and 19090 transitions. [2024-11-06 19:59:52,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 910 [2024-11-06 19:59:52,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 19:59:52,309 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 19:59:52,322 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-06 19:59:52,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-06 19:59:52,510 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 19:59:52,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 19:59:52,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1588521142, now seen corresponding path program 1 times [2024-11-06 19:59:52,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 19:59:52,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71298904] [2024-11-06 19:59:52,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 19:59:52,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 19:59:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 19:59:52,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1500 backedges. 924 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2024-11-06 19:59:52,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 19:59:52,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71298904] [2024-11-06 19:59:52,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71298904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 19:59:52,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 19:59:52,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 19:59:52,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433849049] [2024-11-06 19:59:52,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 19:59:52,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 19:59:52,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 19:59:52,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 19:59:52,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:52,959 INFO L87 Difference]: Start difference. First operand 18622 states and 19090 transitions. Second operand has 3 states, 3 states have (on average 151.66666666666666) internal successors, (455), 3 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:53,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 19:59:53,555 INFO L93 Difference]: Finished difference Result 30323 states and 31022 transitions. [2024-11-06 19:59:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 19:59:53,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 151.66666666666666) internal successors, (455), 3 states have internal predecessors, (455), 0 states have call successors, (0), 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 909 [2024-11-06 19:59:53,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 19:59:53,560 INFO L225 Difference]: With dead ends: 30323 [2024-11-06 19:59:53,560 INFO L226 Difference]: Without dead ends: 0 [2024-11-06 19:59:53,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 19:59:53,574 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 321 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 702 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-06 19:59:53,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 68 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 702 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-06 19:59:53,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-06 19:59:53,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-06 19:59:53,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:53,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-06 19:59:53,575 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 909 [2024-11-06 19:59:53,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 19:59:53,575 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-06 19:59:53,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 151.66666666666666) internal successors, (455), 3 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 19:59:53,579 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-06 19:59:53,580 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-06 19:59:53,581 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-06 19:59:53,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-06 19:59:53,584 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 19:59:53,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-06 19:59:55,631 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-06 19:59:55,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 07:59:55 BoogieIcfgContainer [2024-11-06 19:59:55,658 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-06 19:59:55,659 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-06 19:59:55,659 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-06 19:59:55,659 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-06 19:59:55,661 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:59:13" (3/4) ... [2024-11-06 19:59:55,662 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-06 19:59:55,685 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-06 19:59:55,686 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-06 19:59:55,687 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-06 19:59:55,689 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-06 19:59:55,881 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-06 19:59:55,882 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-06 19:59:55,882 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-06 19:59:55,882 INFO L158 Benchmark]: Toolchain (without parser) took 46017.11ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 86.8MB in the beginning and 163.3MB in the end (delta: -76.5MB). Peak memory consumption was 532.8MB. Max. memory is 16.1GB. [2024-11-06 19:59:55,882 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 117.4MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-06 19:59:55,883 INFO L158 Benchmark]: CACSL2BoogieTranslator took 620.87ms. Allocated memory is still 117.4MB. Free memory was 86.6MB in the beginning and 57.7MB in the end (delta: 28.9MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2024-11-06 19:59:55,883 INFO L158 Benchmark]: Boogie Procedure Inliner took 161.30ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 57.2MB in the beginning and 117.5MB in the end (delta: -60.2MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2024-11-06 19:59:55,883 INFO L158 Benchmark]: Boogie Preprocessor took 247.18ms. Allocated memory is still 176.2MB. Free memory was 117.5MB in the beginning and 99.9MB in the end (delta: 17.6MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2024-11-06 19:59:55,883 INFO L158 Benchmark]: RCFGBuilder took 2200.10ms. Allocated memory was 176.2MB in the beginning and 352.3MB in the end (delta: 176.2MB). Free memory was 99.1MB in the beginning and 114.7MB in the end (delta: -15.5MB). Peak memory consumption was 166.7MB. Max. memory is 16.1GB. [2024-11-06 19:59:55,884 INFO L158 Benchmark]: TraceAbstraction took 42558.98ms. Allocated memory was 352.3MB in the beginning and 1.4GB in the end (delta: 1.0GB). Free memory was 113.6MB in the beginning and 796.1MB in the end (delta: -682.5MB). Peak memory consumption was 721.3MB. Max. memory is 16.1GB. [2024-11-06 19:59:55,884 INFO L158 Benchmark]: Witness Printer took 222.89ms. Allocated memory was 1.4GB in the beginning and 251.7MB in the end (delta: -1.1GB). Free memory was 796.1MB in the beginning and 163.3MB in the end (delta: 632.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-06 19:59:55,886 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70ms. Allocated memory is still 117.4MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 620.87ms. Allocated memory is still 117.4MB. Free memory was 86.6MB in the beginning and 57.7MB in the end (delta: 28.9MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 161.30ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 57.2MB in the beginning and 117.5MB in the end (delta: -60.2MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 247.18ms. Allocated memory is still 176.2MB. Free memory was 117.5MB in the beginning and 99.9MB in the end (delta: 17.6MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2200.10ms. Allocated memory was 176.2MB in the beginning and 352.3MB in the end (delta: 176.2MB). Free memory was 99.1MB in the beginning and 114.7MB in the end (delta: -15.5MB). Peak memory consumption was 166.7MB. Max. memory is 16.1GB. * TraceAbstraction took 42558.98ms. Allocated memory was 352.3MB in the beginning and 1.4GB in the end (delta: 1.0GB). Free memory was 113.6MB in the beginning and 796.1MB in the end (delta: -682.5MB). Peak memory consumption was 721.3MB. Max. memory is 16.1GB. * Witness Printer took 222.89ms. Allocated memory was 1.4GB in the beginning and 251.7MB in the end (delta: -1.1GB). Free memory was 796.1MB in the beginning and 163.3MB in the end (delta: 632.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 140]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 40.4s, OverallIterations: 22, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 27.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9280 SdHoareTripleChecker+Valid, 25.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9280 mSDsluCounter, 8585 SdHoareTripleChecker+Invalid, 21.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 982 mSDsCounter, 4090 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26937 IncrementalHoareTripleChecker+Invalid, 31027 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4090 mSolverCounterUnsat, 7603 mSDtfsCounter, 26937 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3254 GetRequests, 3207 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19523occurred in iteration=18, InterpolantAutomatonStates: 80, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 22 MinimizatonAttempts, 23697 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 13495 NumberOfCodeBlocks, 13495 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 14073 ConstructedInterpolants, 0 QuantifiedInterpolants, 40578 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3148 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 27 InterpolantComputations, 21 PerfectInterpolantSequences, 16417/16881 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((long long) 89 + a4) <= 0) && (a2 == 1)) && (((long long) a0 + 61) <= 0)) || (((((long long) 89 + a4) <= 0) && (0 <= ((long long) a0 + 60))) && (5 <= a2))) || (((((long long) 89 + a4) <= 0) && (((long long) 98 + a0) <= 0)) && (5 <= a2))) || (((((((long long) a0 + 105) <= 0) && (((long long) 42 + a4) <= 0)) && (0 <= ((long long) a4 + 85))) && (44 <= a29)) && (a2 == 4))) || (((((((long long) 42 + a4) <= 0) && (44 <= a29)) && (((long long) 98 + a0) <= 0)) && (0 <= ((long long) 146 + a0))) && (5 <= a2))) || ((((((long long) a0 + 105) <= 0) && (((long long) 42 + a4) <= 0)) && (3 == a2)) && (a29 <= 43))) || (((((long long) 89 + a4) <= 0) && (a2 == 4)) && (a29 <= 43))) || ((((((long long) 42 + a4) <= 0) && (0 <= ((long long) a4 + 85))) && (((long long) a0 + 147) <= 0)) && (3 == a2))) || (((((long long) 98 + a0) <= 0) && (0 <= ((long long) 146 + a0))) && ((((((long long) a0 + 105) <= 0) && (((long long) 42 + a4) <= 0)) && (5 <= a2)) || (((((long long) 42 + a4) <= 0) && (0 <= ((long long) a4 + 85))) && (5 <= a2))))) || ((2 == a2) && (((long long) 89 + a4) <= 0))) || ((((((a2 == 1) && (((long long) a0 + 61) <= 0)) || ((0 <= ((long long) a4 + 85)) && (a2 == 1))) && (0 <= ((long long) 599999 + a0))) && (((long long) 42 + a4) <= 0)) && (a29 <= 43))) || ((((((long long) 42 + a4) <= 0) && (44 <= a29)) && (((long long) a0 + 147) <= 0)) && (a2 == 1))) || (((((0 <= ((long long) 599999 + a0)) && (((long long) 42 + a4) <= 0)) && (0 <= ((long long) a4 + 85))) && (((long long) a0 + 147) <= 0)) && (5 <= a2))) || (((((long long) 89 + a4) <= 0) && (5 <= a2)) && (((long long) a29 + 127) <= 0))) || ((((((long long) 42 + a4) <= 0) && (2 == a2)) && (44 <= a29)) && (((long long) 98 + a0) <= 0))) || ((((((long long) 42 + a4) <= 0) && (((long long) 98 + a0) <= 0)) && (0 <= ((long long) 146 + a0))) && (3 == a2))) || (((44 <= a29) && (((long long) 89 + a4) <= 0)) && (5 <= a2))) || (((((long long) 89 + a4) <= 0) && (a2 == 4)) && (((long long) a0 + 61) <= 0))) || (((a2 == 1) && (((long long) a4 + 86) <= 0)) && (((long long) a29 + 144) <= 0))) || (((((0 <= ((long long) 599999 + a0)) && (((long long) 42 + a4) <= 0)) && (44 <= a29)) && (((long long) a0 + 147) <= 0)) && (5 <= a2))) || ((((long long) 89 + a4) <= 0) && (3 == a2))) || (((((long long) 42 + a4) <= 0) && (((long long) a0 + 147) <= 0)) && (a2 == 4))) || ((((((long long) 89 + a4) <= 0) && (a2 == 1)) && (0 <= ((long long) 44 + a0))) && (((long long) a29 + 127) == 0))) || ((((((long long) 42 + a4) <= 0) && (((long long) 98 + a0) <= 0)) && (0 <= ((long long) 146 + a0))) && (a2 == 1))) || (((((long long) a0 + 105) <= 0) && (2 == a2)) && (44 <= a29))) || ((((((long long) 42 + a4) <= 0) && (2 == a2)) && (0 <= ((long long) a4 + 85))) && (((long long) 98 + a0) <= 0))) RESULT: Ultimate proved your program to be correct! [2024-11-06 19:59:55,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE