./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-88.i --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/hardness-nfm22/hardness_operatoramount_amount500_file-88.i', '-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', '483b9d73fcfcbe30e6a47224b392863d5ebfca3910dfd0deef6d7653b488cd58'] 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/hardness-nfm22/hardness_operatoramount_amount500_file-88.i -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 483b9d73fcfcbe30e6a47224b392863d5ebfca3910dfd0deef6d7653b488cd58 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 09:45:16,693 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 09:45:16,788 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 09:45:16,794 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 09:45:16,795 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 09:45:16,816 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 09:45:16,816 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 09:45:16,816 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 09:45:16,817 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 09:45:16,817 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 09:45:16,817 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 09:45:16,817 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 09:45:16,817 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 09:45:16,817 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 09:45:16,818 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 09:45:16,818 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 09:45:16,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 09:45:16,818 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 09:45:16,818 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 09:45:16,818 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 09:45:16,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 09:45:16,818 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 09:45:16,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 09:45:16,818 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 09:45:16,818 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 09:45:16,818 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 09:45:16,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 09:45:16,818 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 09:45:16,818 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 09:45:16,818 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 09:45:16,818 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 09:45:16,818 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 09:45:16,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 09:45:16,818 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 09:45:16,819 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 09:45:16,819 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 09:45:16,819 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 09:45:16,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 09:45:16,819 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 09:45:16,819 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 09:45:16,819 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 09:45:16,819 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 09:45:16,819 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 -> 483b9d73fcfcbe30e6a47224b392863d5ebfca3910dfd0deef6d7653b488cd58 [2024-11-07 09:45:17,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 09:45:17,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 09:45:17,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 09:45:17,089 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 09:45:17,089 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 09:45:17,090 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-88.i [2024-11-07 09:45:18,247 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 09:45:18,493 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 09:45:18,495 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-88.i [2024-11-07 09:45:18,509 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/818f57e03/0bcacb514c7a44b290075131029c0040/FLAGe15a120e8 [2024-11-07 09:45:18,829 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/818f57e03/0bcacb514c7a44b290075131029c0040 [2024-11-07 09:45:18,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 09:45:18,832 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 09:45:18,832 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 09:45:18,833 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 09:45:18,839 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 09:45:18,839 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:45:18" (1/1) ... [2024-11-07 09:45:18,840 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50bc36b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:45:18, skipping insertion in model container [2024-11-07 09:45:18,840 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:45:18" (1/1) ... [2024-11-07 09:45:18,872 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 09:45:18,972 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/hardness-nfm22/hardness_operatoramount_amount500_file-88.i[916,929] [2024-11-07 09:45:19,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 09:45:19,129 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 09:45:19,139 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/hardness-nfm22/hardness_operatoramount_amount500_file-88.i[916,929] [2024-11-07 09:45:19,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 09:45:19,242 INFO L204 MainTranslator]: Completed translation [2024-11-07 09:45:19,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:45:19 WrapperNode [2024-11-07 09:45:19,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 09:45:19,244 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 09:45:19,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 09:45:19,244 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 09:45:19,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:45:19" (1/1) ... [2024-11-07 09:45:19,284 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:45:19" (1/1) ... [2024-11-07 09:45:19,356 INFO L138 Inliner]: procedures = 26, calls = 78, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 760 [2024-11-07 09:45:19,357 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 09:45:19,357 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 09:45:19,358 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 09:45:19,358 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 09:45:19,364 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:45:19" (1/1) ... [2024-11-07 09:45:19,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:45:19" (1/1) ... [2024-11-07 09:45:19,378 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:45:19" (1/1) ... [2024-11-07 09:45:19,448 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 09:45:19,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:45:19" (1/1) ... [2024-11-07 09:45:19,449 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:45:19" (1/1) ... [2024-11-07 09:45:19,472 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:45:19" (1/1) ... [2024-11-07 09:45:19,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:45:19" (1/1) ... [2024-11-07 09:45:19,490 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:45:19" (1/1) ... [2024-11-07 09:45:19,502 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:45:19" (1/1) ... [2024-11-07 09:45:19,515 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 09:45:19,516 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 09:45:19,516 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 09:45:19,517 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 09:45:19,518 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:45:19" (1/1) ... [2024-11-07 09:45:19,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 09:45:19,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 09:45:19,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 09:45:19,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 09:45:19,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 09:45:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 09:45:19,570 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 09:45:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 09:45:19,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 09:45:19,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 09:45:19,697 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 09:45:19,699 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 09:45:20,821 INFO L? ?]: Removed 119 outVars from TransFormulas that were not future-live. [2024-11-07 09:45:20,822 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 09:45:20,839 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 09:45:20,843 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 09:45:20,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:45:20 BoogieIcfgContainer [2024-11-07 09:45:20,843 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 09:45:20,845 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 09:45:20,845 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 09:45:20,850 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 09:45:20,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:45:18" (1/3) ... [2024-11-07 09:45:20,851 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@594f8814 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:45:20, skipping insertion in model container [2024-11-07 09:45:20,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:45:19" (2/3) ... [2024-11-07 09:45:20,851 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@594f8814 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:45:20, skipping insertion in model container [2024-11-07 09:45:20,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:45:20" (3/3) ... [2024-11-07 09:45:20,853 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount500_file-88.i [2024-11-07 09:45:20,866 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 09:45:20,866 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 09:45:20,930 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 09:45:20,938 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;@76a98c77, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 09:45:20,938 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 09:45:20,945 INFO L276 IsEmpty]: Start isEmpty. Operand has 306 states, 238 states have (on average 1.550420168067227) internal successors, (369), 239 states have internal predecessors, (369), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-07 09:45:20,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2024-11-07 09:45:20,968 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:45:20,969 INFO L215 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:45:20,969 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:45:20,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:45:20,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1192747511, now seen corresponding path program 1 times [2024-11-07 09:45:20,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:45:20,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174257192] [2024-11-07 09:45:20,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:45:20,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:45:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:45:21,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:45:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:45:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:45:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:45:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 09:45:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 09:45:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 09:45:21,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 09:45:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 09:45:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:45:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:45:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:45:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:45:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:45:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:45:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:45:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:45:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 09:45:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-07 09:45:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 09:45:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:45:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-07 09:45:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:45:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 09:45:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:45:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 09:45:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:45:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 09:45:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:45:21,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 09:45:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 09:45:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 09:45:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 09:45:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 09:45:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 09:45:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 09:45:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 09:45:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 09:45:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-07 09:45:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-07 09:45:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-07 09:45:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 09:45:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-07 09:45:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-07 09:45:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-07 09:45:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-07 09:45:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 09:45:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 09:45:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 09:45:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 09:45:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 09:45:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-07 09:45:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 09:45:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-07 09:45:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 09:45:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-07 09:45:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-07 09:45:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-07 09:45:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-07 09:45:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-11-07 09:45:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-07 09:45:21,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-11-07 09:45:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-07 09:45:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-11-07 09:45:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:21,909 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8320 trivial. 0 not checked. [2024-11-07 09:45:21,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:45:21,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174257192] [2024-11-07 09:45:21,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174257192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:45:21,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:45:21,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 09:45:21,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463483288] [2024-11-07 09:45:21,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:45:21,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 09:45:21,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:45:21,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 09:45:21,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 09:45:21,942 INFO L87 Difference]: Start difference. First operand has 306 states, 238 states have (on average 1.550420168067227) internal successors, (369), 239 states have internal predecessors, (369), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) Second operand has 2 states, 2 states have (on average 71.0) internal successors, (142), 2 states have internal predecessors, (142), 2 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 2 states have call successors, (65) [2024-11-07 09:45:21,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:45:22,000 INFO L93 Difference]: Finished difference Result 605 states and 1057 transitions. [2024-11-07 09:45:22,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 09:45:22,005 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 71.0) internal successors, (142), 2 states have internal predecessors, (142), 2 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 2 states have call successors, (65) Word has length 464 [2024-11-07 09:45:22,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:45:22,014 INFO L225 Difference]: With dead ends: 605 [2024-11-07 09:45:22,014 INFO L226 Difference]: Without dead ends: 302 [2024-11-07 09:45:22,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 09:45:22,025 INFO L432 NwaCegarLoop]: 492 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 09:45:22,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 09:45:22,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-07 09:45:22,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 302. [2024-11-07 09:45:22,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 235 states have (on average 1.5404255319148936) internal successors, (362), 235 states have internal predecessors, (362), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-07 09:45:22,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 492 transitions. [2024-11-07 09:45:22,101 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 492 transitions. Word has length 464 [2024-11-07 09:45:22,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:45:22,101 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 492 transitions. [2024-11-07 09:45:22,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 71.0) internal successors, (142), 2 states have internal predecessors, (142), 2 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 2 states have call successors, (65) [2024-11-07 09:45:22,102 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 492 transitions. [2024-11-07 09:45:22,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2024-11-07 09:45:22,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:45:22,111 INFO L215 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:45:22,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 09:45:22,112 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:45:22,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:45:22,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1630816699, now seen corresponding path program 1 times [2024-11-07 09:45:22,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:45:22,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288456005] [2024-11-07 09:45:22,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:45:22,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:45:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:45:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:45:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:45:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:45:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:45:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 09:45:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 09:45:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 09:45:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 09:45:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 09:45:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:45:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:45:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:45:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:45:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:45:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:45:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:45:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:45:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 09:45:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-07 09:45:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 09:45:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:45:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-07 09:45:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:45:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 09:45:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:45:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 09:45:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:45:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 09:45:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:45:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 09:45:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 09:45:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 09:45:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 09:45:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 09:45:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 09:45:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 09:45:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 09:45:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 09:45:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-07 09:45:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-07 09:45:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-07 09:45:22,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 09:45:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-07 09:45:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-07 09:45:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-07 09:45:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-07 09:45:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 09:45:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 09:45:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 09:45:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 09:45:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 09:45:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-07 09:45:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 09:45:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-07 09:45:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 09:45:22,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-07 09:45:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-07 09:45:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-07 09:45:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-07 09:45:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-11-07 09:45:22,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-07 09:45:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-11-07 09:45:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-07 09:45:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-11-07 09:45:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:22,754 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8320 trivial. 0 not checked. [2024-11-07 09:45:22,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:45:22,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288456005] [2024-11-07 09:45:22,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288456005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:45:22,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:45:22,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 09:45:22,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544176560] [2024-11-07 09:45:22,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:45:22,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 09:45:22,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:45:22,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 09:45:22,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 09:45:22,757 INFO L87 Difference]: Start difference. First operand 302 states and 492 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) [2024-11-07 09:45:22,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:45:22,882 INFO L93 Difference]: Finished difference Result 799 states and 1301 transitions. [2024-11-07 09:45:22,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 09:45:22,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) Word has length 464 [2024-11-07 09:45:22,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:45:22,887 INFO L225 Difference]: With dead ends: 799 [2024-11-07 09:45:22,887 INFO L226 Difference]: Without dead ends: 500 [2024-11-07 09:45:22,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 09:45:22,889 INFO L432 NwaCegarLoop]: 536 mSDtfsCounter, 336 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 966 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 09:45:22,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 966 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 09:45:22,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2024-11-07 09:45:22,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 497. [2024-11-07 09:45:22,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 416 states have (on average 1.5600961538461537) internal successors, (649), 417 states have internal predecessors, (649), 78 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-07 09:45:22,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 805 transitions. [2024-11-07 09:45:22,939 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 805 transitions. Word has length 464 [2024-11-07 09:45:22,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:45:22,942 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 805 transitions. [2024-11-07 09:45:22,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) [2024-11-07 09:45:22,942 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 805 transitions. [2024-11-07 09:45:22,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2024-11-07 09:45:22,948 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:45:22,948 INFO L215 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:45:22,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 09:45:22,949 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:45:22,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:45:22,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1521648131, now seen corresponding path program 1 times [2024-11-07 09:45:22,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:45:22,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017378736] [2024-11-07 09:45:22,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:45:22,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:45:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:45:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:45:23,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:45:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:45:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:45:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 09:45:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 09:45:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 09:45:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 09:45:23,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 09:45:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:45:23,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:45:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:45:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:45:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:45:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:45:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:45:23,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:45:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 09:45:23,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-07 09:45:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 09:45:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:45:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-07 09:45:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:45:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 09:45:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:45:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 09:45:23,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:45:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 09:45:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:45:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 09:45:23,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 09:45:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 09:45:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 09:45:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 09:45:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 09:45:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 09:45:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 09:45:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 09:45:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-07 09:45:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-07 09:45:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-07 09:45:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 09:45:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-07 09:45:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-07 09:45:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-07 09:45:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-07 09:45:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 09:45:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 09:45:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 09:45:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 09:45:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 09:45:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-07 09:45:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 09:45:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-07 09:45:23,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 09:45:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-07 09:45:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-07 09:45:23,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-07 09:45:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-07 09:45:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-11-07 09:45:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-07 09:45:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-11-07 09:45:23,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-07 09:45:23,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-11-07 09:45:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:23,423 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8320 trivial. 0 not checked. [2024-11-07 09:45:23,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:45:23,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017378736] [2024-11-07 09:45:23,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017378736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:45:23,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:45:23,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 09:45:23,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527401141] [2024-11-07 09:45:23,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:45:23,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 09:45:23,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:45:23,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 09:45:23,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 09:45:23,426 INFO L87 Difference]: Start difference. First operand 497 states and 805 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) [2024-11-07 09:45:23,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:45:23,544 INFO L93 Difference]: Finished difference Result 1463 states and 2368 transitions. [2024-11-07 09:45:23,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 09:45:23,547 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) Word has length 464 [2024-11-07 09:45:23,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:45:23,555 INFO L225 Difference]: With dead ends: 1463 [2024-11-07 09:45:23,555 INFO L226 Difference]: Without dead ends: 969 [2024-11-07 09:45:23,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 09:45:23,559 INFO L432 NwaCegarLoop]: 488 mSDtfsCounter, 465 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 969 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 09:45:23,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 969 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 09:45:23,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2024-11-07 09:45:23,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 505. [2024-11-07 09:45:23,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 424 states have (on average 1.5566037735849056) internal successors, (660), 425 states have internal predecessors, (660), 78 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-07 09:45:23,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 816 transitions. [2024-11-07 09:45:23,613 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 816 transitions. Word has length 464 [2024-11-07 09:45:23,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:45:23,614 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 816 transitions. [2024-11-07 09:45:23,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) [2024-11-07 09:45:23,617 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 816 transitions. [2024-11-07 09:45:23,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2024-11-07 09:45:23,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:45:23,620 INFO L215 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:45:23,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 09:45:23,620 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:45:23,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:45:23,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1548713733, now seen corresponding path program 1 times [2024-11-07 09:45:23,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:45:23,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573337894] [2024-11-07 09:45:23,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:45:23,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:45:23,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:45:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:45:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:45:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:45:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:45:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 09:45:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 09:45:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 09:45:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 09:45:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 09:45:24,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:45:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:45:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:45:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:45:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:45:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:45:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:45:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:45:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 09:45:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-07 09:45:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 09:45:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:45:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-07 09:45:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:45:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 09:45:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:45:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 09:45:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:45:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 09:45:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:45:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 09:45:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 09:45:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 09:45:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 09:45:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 09:45:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 09:45:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 09:45:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 09:45:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 09:45:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-07 09:45:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-07 09:45:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-07 09:45:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 09:45:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-07 09:45:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-07 09:45:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-07 09:45:24,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-07 09:45:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 09:45:24,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 09:45:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 09:45:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 09:45:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 09:45:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-07 09:45:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 09:45:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-07 09:45:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 09:45:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-07 09:45:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-07 09:45:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-07 09:45:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-07 09:45:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-11-07 09:45:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-07 09:45:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-11-07 09:45:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-07 09:45:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-11-07 09:45:24,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,369 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8320 trivial. 0 not checked. [2024-11-07 09:45:24,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:45:24,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573337894] [2024-11-07 09:45:24,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573337894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:45:24,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:45:24,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 09:45:24,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429971635] [2024-11-07 09:45:24,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:45:24,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 09:45:24,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:45:24,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 09:45:24,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 09:45:24,373 INFO L87 Difference]: Start difference. First operand 505 states and 816 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) [2024-11-07 09:45:24,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:45:24,475 INFO L93 Difference]: Finished difference Result 1360 states and 2198 transitions. [2024-11-07 09:45:24,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 09:45:24,476 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) Word has length 464 [2024-11-07 09:45:24,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:45:24,481 INFO L225 Difference]: With dead ends: 1360 [2024-11-07 09:45:24,481 INFO L226 Difference]: Without dead ends: 858 [2024-11-07 09:45:24,482 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 09:45:24,483 INFO L432 NwaCegarLoop]: 696 mSDtfsCounter, 335 mSDsluCounter, 1165 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 1861 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 09:45:24,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 1861 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 09:45:24,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2024-11-07 09:45:24,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 856. [2024-11-07 09:45:24,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 695 states have (on average 1.5381294964028778) internal successors, (1069), 697 states have internal predecessors, (1069), 156 states have call successors, (156), 4 states have call predecessors, (156), 4 states have return successors, (156), 154 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-07 09:45:24,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1381 transitions. [2024-11-07 09:45:24,557 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1381 transitions. Word has length 464 [2024-11-07 09:45:24,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:45:24,560 INFO L471 AbstractCegarLoop]: Abstraction has 856 states and 1381 transitions. [2024-11-07 09:45:24,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) [2024-11-07 09:45:24,560 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1381 transitions. [2024-11-07 09:45:24,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2024-11-07 09:45:24,565 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:45:24,565 INFO L215 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:45:24,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 09:45:24,566 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:45:24,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:45:24,566 INFO L85 PathProgramCache]: Analyzing trace with hash 272731721, now seen corresponding path program 1 times [2024-11-07 09:45:24,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:45:24,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708209961] [2024-11-07 09:45:24,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:45:24,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:45:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:45:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:45:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:45:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:45:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:45:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 09:45:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 09:45:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 09:45:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 09:45:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 09:45:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:45:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:45:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:45:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:45:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:45:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:45:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:45:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:45:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 09:45:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-07 09:45:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 09:45:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:45:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-07 09:45:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:45:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 09:45:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:45:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 09:45:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:45:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 09:45:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:45:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 09:45:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 09:45:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 09:45:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 09:45:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 09:45:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 09:45:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 09:45:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 09:45:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 09:45:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-07 09:45:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-07 09:45:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-07 09:45:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 09:45:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-07 09:45:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-07 09:45:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-07 09:45:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-07 09:45:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 09:45:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 09:45:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 09:45:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 09:45:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 09:45:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-07 09:45:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 09:45:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-07 09:45:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 09:45:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-07 09:45:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-07 09:45:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-07 09:45:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-07 09:45:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-11-07 09:45:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-07 09:45:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-11-07 09:45:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-07 09:45:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-11-07 09:45:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:24,939 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8320 trivial. 0 not checked. [2024-11-07 09:45:24,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:45:24,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708209961] [2024-11-07 09:45:24,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708209961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:45:24,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:45:24,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 09:45:24,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321692707] [2024-11-07 09:45:24,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:45:24,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 09:45:24,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:45:24,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 09:45:24,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 09:45:24,941 INFO L87 Difference]: Start difference. First operand 856 states and 1381 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) [2024-11-07 09:45:25,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:45:25,064 INFO L93 Difference]: Finished difference Result 2301 states and 3707 transitions. [2024-11-07 09:45:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 09:45:25,065 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) Word has length 464 [2024-11-07 09:45:25,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:45:25,074 INFO L225 Difference]: With dead ends: 2301 [2024-11-07 09:45:25,074 INFO L226 Difference]: Without dead ends: 1471 [2024-11-07 09:45:25,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 09:45:25,076 INFO L432 NwaCegarLoop]: 556 mSDtfsCounter, 310 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 1003 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 09:45:25,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 1003 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 09:45:25,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1471 states. [2024-11-07 09:45:25,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1471 to 1467. [2024-11-07 09:45:25,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1467 states, 1255 states have (on average 1.545816733067729) internal successors, (1940), 1260 states have internal predecessors, (1940), 203 states have call successors, (203), 8 states have call predecessors, (203), 8 states have return successors, (203), 198 states have call predecessors, (203), 203 states have call successors, (203) [2024-11-07 09:45:25,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1467 states and 2346 transitions. [2024-11-07 09:45:25,168 INFO L78 Accepts]: Start accepts. Automaton has 1467 states and 2346 transitions. Word has length 464 [2024-11-07 09:45:25,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:45:25,170 INFO L471 AbstractCegarLoop]: Abstraction has 1467 states and 2346 transitions. [2024-11-07 09:45:25,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) [2024-11-07 09:45:25,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 2346 transitions. [2024-11-07 09:45:25,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2024-11-07 09:45:25,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:45:25,176 INFO L215 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:45:25,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 09:45:25,177 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:45:25,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:45:25,177 INFO L85 PathProgramCache]: Analyzing trace with hash -2083073529, now seen corresponding path program 1 times [2024-11-07 09:45:25,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:45:25,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810211797] [2024-11-07 09:45:25,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:45:25,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:45:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:45:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:45:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:45:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:45:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:45:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 09:45:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 09:45:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 09:45:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 09:45:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 09:45:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:45:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:45:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:45:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:45:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:45:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:45:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:45:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:45:25,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 09:45:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-07 09:45:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 09:45:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:45:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-07 09:45:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:45:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 09:45:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:45:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 09:45:25,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:45:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 09:45:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:45:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 09:45:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 09:45:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 09:45:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 09:45:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 09:45:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 09:45:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 09:45:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 09:45:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 09:45:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-07 09:45:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-07 09:45:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-07 09:45:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 09:45:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-07 09:45:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-07 09:45:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-07 09:45:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-07 09:45:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 09:45:25,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 09:45:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 09:45:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 09:45:25,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 09:45:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-07 09:45:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 09:45:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-07 09:45:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 09:45:25,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-07 09:45:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-07 09:45:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-07 09:45:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-07 09:45:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-11-07 09:45:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-07 09:45:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-11-07 09:45:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-07 09:45:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-11-07 09:45:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:25,550 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8320 trivial. 0 not checked. [2024-11-07 09:45:25,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:45:25,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810211797] [2024-11-07 09:45:25,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810211797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:45:25,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:45:25,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 09:45:25,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650001164] [2024-11-07 09:45:25,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:45:25,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 09:45:25,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:45:25,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 09:45:25,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 09:45:25,551 INFO L87 Difference]: Start difference. First operand 1467 states and 2346 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) [2024-11-07 09:45:25,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:45:25,661 INFO L93 Difference]: Finished difference Result 4034 states and 6425 transitions. [2024-11-07 09:45:25,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 09:45:25,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) Word has length 464 [2024-11-07 09:45:25,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:45:25,680 INFO L225 Difference]: With dead ends: 4034 [2024-11-07 09:45:25,680 INFO L226 Difference]: Without dead ends: 2593 [2024-11-07 09:45:25,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 09:45:25,685 INFO L432 NwaCegarLoop]: 484 mSDtfsCounter, 245 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 950 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 09:45:25,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 950 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 09:45:25,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2593 states. [2024-11-07 09:45:25,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2593 to 2587. [2024-11-07 09:45:25,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2587 states, 2281 states have (on average 1.5418676019289785) internal successors, (3517), 2292 states have internal predecessors, (3517), 289 states have call successors, (289), 16 states have call predecessors, (289), 16 states have return successors, (289), 278 states have call predecessors, (289), 289 states have call successors, (289) [2024-11-07 09:45:25,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2587 states to 2587 states and 4095 transitions. [2024-11-07 09:45:25,794 INFO L78 Accepts]: Start accepts. Automaton has 2587 states and 4095 transitions. Word has length 464 [2024-11-07 09:45:25,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:45:25,794 INFO L471 AbstractCegarLoop]: Abstraction has 2587 states and 4095 transitions. [2024-11-07 09:45:25,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) [2024-11-07 09:45:25,795 INFO L276 IsEmpty]: Start isEmpty. Operand 2587 states and 4095 transitions. [2024-11-07 09:45:25,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2024-11-07 09:45:25,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:45:25,800 INFO L215 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:45:25,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 09:45:25,800 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:45:25,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:45:25,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1308496063, now seen corresponding path program 1 times [2024-11-07 09:45:25,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:45:25,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130047837] [2024-11-07 09:45:25,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:45:25,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:45:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:45:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:45:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:45:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:45:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:45:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 09:45:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 09:45:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 09:45:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 09:45:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 09:45:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:45:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:45:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:45:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:45:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:45:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:45:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:45:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:45:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 09:45:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-07 09:45:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 09:45:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:45:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-07 09:45:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:45:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 09:45:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:45:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 09:45:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:45:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 09:45:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:45:26,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 09:45:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 09:45:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 09:45:26,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 09:45:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 09:45:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 09:45:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 09:45:26,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 09:45:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 09:45:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-07 09:45:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-07 09:45:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-07 09:45:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 09:45:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-07 09:45:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-07 09:45:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-07 09:45:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-07 09:45:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 09:45:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 09:45:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 09:45:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 09:45:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 09:45:26,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-07 09:45:26,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 09:45:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-07 09:45:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 09:45:26,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-07 09:45:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-07 09:45:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-07 09:45:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-07 09:45:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-11-07 09:45:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-07 09:45:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-11-07 09:45:26,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-07 09:45:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-11-07 09:45:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:26,847 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8320 trivial. 0 not checked. [2024-11-07 09:45:26,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:45:26,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130047837] [2024-11-07 09:45:26,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130047837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:45:26,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:45:26,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 09:45:26,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665111417] [2024-11-07 09:45:26,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:45:26,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 09:45:26,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:45:26,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 09:45:26,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 09:45:26,848 INFO L87 Difference]: Start difference. First operand 2587 states and 4095 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) [2024-11-07 09:45:27,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:45:27,249 INFO L93 Difference]: Finished difference Result 6545 states and 10333 transitions. [2024-11-07 09:45:27,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 09:45:27,250 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) Word has length 464 [2024-11-07 09:45:27,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:45:27,269 INFO L225 Difference]: With dead ends: 6545 [2024-11-07 09:45:27,270 INFO L226 Difference]: Without dead ends: 3984 [2024-11-07 09:45:27,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 09:45:27,275 INFO L432 NwaCegarLoop]: 736 mSDtfsCounter, 603 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 1363 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 09:45:27,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 1363 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 09:45:27,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3984 states. [2024-11-07 09:45:27,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3984 to 2383. [2024-11-07 09:45:27,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2383 states, 2129 states have (on average 1.5514325974635979) internal successors, (3303), 2136 states have internal predecessors, (3303), 237 states have call successors, (237), 16 states have call predecessors, (237), 16 states have return successors, (237), 230 states have call predecessors, (237), 237 states have call successors, (237) [2024-11-07 09:45:27,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2383 states to 2383 states and 3777 transitions. [2024-11-07 09:45:27,387 INFO L78 Accepts]: Start accepts. Automaton has 2383 states and 3777 transitions. Word has length 464 [2024-11-07 09:45:27,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:45:27,388 INFO L471 AbstractCegarLoop]: Abstraction has 2383 states and 3777 transitions. [2024-11-07 09:45:27,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) [2024-11-07 09:45:27,388 INFO L276 IsEmpty]: Start isEmpty. Operand 2383 states and 3777 transitions. [2024-11-07 09:45:27,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2024-11-07 09:45:27,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:45:27,393 INFO L215 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:45:27,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 09:45:27,393 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:45:27,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:45:27,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1057600179, now seen corresponding path program 1 times [2024-11-07 09:45:27,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:45:27,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741814474] [2024-11-07 09:45:27,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:45:27,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:45:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:45:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:45:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:45:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:45:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:45:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 09:45:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 09:45:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 09:45:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 09:45:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 09:45:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 09:45:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 09:45:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 09:45:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 09:45:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 09:45:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 09:45:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 09:45:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 09:45:27,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 09:45:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-07 09:45:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 09:45:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 09:45:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-07 09:45:27,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 09:45:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 09:45:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 09:45:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 09:45:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 09:45:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 09:45:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 09:45:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 09:45:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 09:45:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 09:45:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 09:45:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 09:45:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 09:45:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 09:45:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 09:45:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 09:45:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-07 09:45:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-07 09:45:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-07 09:45:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 09:45:27,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-07 09:45:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-07 09:45:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-07 09:45:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-07 09:45:27,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 09:45:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 09:45:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 09:45:27,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 09:45:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 09:45:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-07 09:45:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 09:45:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-07 09:45:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 09:45:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-07 09:45:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-07 09:45:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-07 09:45:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-07 09:45:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-11-07 09:45:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-07 09:45:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-11-07 09:45:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-07 09:45:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-11-07 09:45:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:45:27,995 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8320 trivial. 0 not checked. [2024-11-07 09:45:27,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:45:27,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741814474] [2024-11-07 09:45:27,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741814474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:45:27,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:45:27,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 09:45:27,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891520402] [2024-11-07 09:45:27,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:45:27,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 09:45:27,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:45:27,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 09:45:27,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 09:45:27,998 INFO L87 Difference]: Start difference. First operand 2383 states and 3777 transitions. Second operand has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) [2024-11-07 09:45:28,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:45:28,265 INFO L93 Difference]: Finished difference Result 4888 states and 7709 transitions. [2024-11-07 09:45:28,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 09:45:28,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) Word has length 465 [2024-11-07 09:45:28,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:45:28,278 INFO L225 Difference]: With dead ends: 4888 [2024-11-07 09:45:28,279 INFO L226 Difference]: Without dead ends: 2531 [2024-11-07 09:45:28,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 09:45:28,285 INFO L432 NwaCegarLoop]: 555 mSDtfsCounter, 425 mSDsluCounter, 1025 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 1580 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 09:45:28,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 1580 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 09:45:28,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2531 states. [2024-11-07 09:45:28,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2531 to 2523. [2024-11-07 09:45:28,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2523 states, 2229 states have (on average 1.5343203230148048) internal successors, (3420), 2238 states have internal predecessors, (3420), 271 states have call successors, (271), 22 states have call predecessors, (271), 22 states have return successors, (271), 262 states have call predecessors, (271), 271 states have call successors, (271) [2024-11-07 09:45:28,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 2523 states and 3962 transitions. [2024-11-07 09:45:28,400 INFO L78 Accepts]: Start accepts. Automaton has 2523 states and 3962 transitions. Word has length 465 [2024-11-07 09:45:28,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:45:28,401 INFO L471 AbstractCegarLoop]: Abstraction has 2523 states and 3962 transitions. [2024-11-07 09:45:28,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) [2024-11-07 09:45:28,402 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 3962 transitions. [2024-11-07 09:45:28,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2024-11-07 09:45:28,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:45:28,406 INFO L215 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:45:28,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 09:45:28,406 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:45:28,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:45:28,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1480302005, now seen corresponding path program 1 times [2024-11-07 09:45:28,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:45:28,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014671282] [2024-11-07 09:45:28,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:45:28,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:45:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat