./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-44.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_floatingpointinfluence_no-floats_file-44.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', '16796499fc39343c4597b6d5b8afaf71194257ba1a30d074f591989e1c38b993'] 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_floatingpointinfluence_no-floats_file-44.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 16796499fc39343c4597b6d5b8afaf71194257ba1a30d074f591989e1c38b993 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 07:48:21,431 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 07:48:21,508 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 07:48:21,513 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 07:48:21,514 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 07:48:21,539 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 07:48:21,540 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 07:48:21,540 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 07:48:21,540 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 07:48:21,540 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 07:48:21,540 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 07:48:21,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 07:48:21,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 07:48:21,541 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 07:48:21,541 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 07:48:21,541 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 07:48:21,541 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 07:48:21,541 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 07:48:21,541 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 07:48:21,541 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 07:48:21,541 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 07:48:21,541 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 07:48:21,541 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 07:48:21,541 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 07:48:21,541 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 07:48:21,541 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 07:48:21,541 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 07:48:21,541 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 07:48:21,542 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 07:48:21,542 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 07:48:21,542 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 07:48:21,542 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 07:48:21,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:48:21,542 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 07:48:21,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 07:48:21,542 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 07:48:21,542 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 07:48:21,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 07:48:21,542 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 07:48:21,542 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 07:48:21,542 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 07:48:21,542 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 07:48:21,542 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 -> 16796499fc39343c4597b6d5b8afaf71194257ba1a30d074f591989e1c38b993 [2024-11-07 07:48:21,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 07:48:21,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 07:48:21,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 07:48:21,803 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 07:48:21,803 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 07:48:21,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-44.i [2024-11-07 07:48:22,955 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 07:48:23,172 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 07:48:23,173 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-44.i [2024-11-07 07:48:23,180 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/830373336/8fe5159c462048b1895b2aaf134e659e/FLAG4810d6ee3 [2024-11-07 07:48:23,201 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/830373336/8fe5159c462048b1895b2aaf134e659e [2024-11-07 07:48:23,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 07:48:23,204 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 07:48:23,207 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 07:48:23,208 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 07:48:23,211 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 07:48:23,211 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:48:23" (1/1) ... [2024-11-07 07:48:23,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d454feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:23, skipping insertion in model container [2024-11-07 07:48:23,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:48:23" (1/1) ... [2024-11-07 07:48:23,230 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 07:48:23,330 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_floatingpointinfluence_no-floats_file-44.i[916,929] [2024-11-07 07:48:23,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:48:23,384 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 07:48:23,394 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_floatingpointinfluence_no-floats_file-44.i[916,929] [2024-11-07 07:48:23,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:48:23,430 INFO L204 MainTranslator]: Completed translation [2024-11-07 07:48:23,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:23 WrapperNode [2024-11-07 07:48:23,431 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 07:48:23,432 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 07:48:23,432 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 07:48:23,432 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 07:48:23,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:23" (1/1) ... [2024-11-07 07:48:23,446 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:23" (1/1) ... [2024-11-07 07:48:23,476 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 127 [2024-11-07 07:48:23,480 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 07:48:23,481 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 07:48:23,481 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 07:48:23,481 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 07:48:23,491 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:23" (1/1) ... [2024-11-07 07:48:23,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:23" (1/1) ... [2024-11-07 07:48:23,493 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:23" (1/1) ... [2024-11-07 07:48:23,509 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 07:48:23,513 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:23" (1/1) ... [2024-11-07 07:48:23,513 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:23" (1/1) ... [2024-11-07 07:48:23,521 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:23" (1/1) ... [2024-11-07 07:48:23,523 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:23" (1/1) ... [2024-11-07 07:48:23,527 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:23" (1/1) ... [2024-11-07 07:48:23,528 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:23" (1/1) ... [2024-11-07 07:48:23,530 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 07:48:23,534 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 07:48:23,534 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 07:48:23,534 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 07:48:23,535 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:23" (1/1) ... [2024-11-07 07:48:23,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:48:23,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 07:48:23,566 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 07:48:23,569 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 07:48:23,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 07:48:23,588 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 07:48:23,588 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 07:48:23,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 07:48:23,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 07:48:23,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 07:48:23,654 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 07:48:23,655 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 07:48:23,832 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-07 07:48:23,832 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 07:48:23,839 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 07:48:23,839 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 07:48:23,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:48:23 BoogieIcfgContainer [2024-11-07 07:48:23,840 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 07:48:23,842 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 07:48:23,842 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 07:48:23,845 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 07:48:23,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:48:23" (1/3) ... [2024-11-07 07:48:23,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57257b29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:48:23, skipping insertion in model container [2024-11-07 07:48:23,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:23" (2/3) ... [2024-11-07 07:48:23,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57257b29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:48:23, skipping insertion in model container [2024-11-07 07:48:23,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:48:23" (3/3) ... [2024-11-07 07:48:23,847 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-44.i [2024-11-07 07:48:23,857 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 07:48:23,857 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 07:48:23,910 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 07:48:23,918 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;@62b03644, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 07:48:23,919 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 07:48:23,921 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 07:48:23,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-07 07:48:23,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:48:23,930 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:48:23,930 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:48:23,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:48:23,933 INFO L85 PathProgramCache]: Analyzing trace with hash 2118972128, now seen corresponding path program 1 times [2024-11-07 07:48:23,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:48:23,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864867926] [2024-11-07 07:48:23,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:48:23,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:48:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:24,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:48:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:24,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:48:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:24,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:48:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:24,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:48:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:24,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:48:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:24,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:48:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:24,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:48:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:24,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:48:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:24,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:48:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:24,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:48:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:24,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:48:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:24,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:48:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:24,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:48:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:24,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:48:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:24,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:48:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:24,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:48:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:24,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:48:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:24,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:48:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:24,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:48:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:24,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:48:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:24,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:48:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:24,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:48:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:24,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:48:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:24,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 07:48:24,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:48:24,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864867926] [2024-11-07 07:48:24,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864867926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:48:24,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:48:24,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 07:48:24,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629891574] [2024-11-07 07:48:24,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:48:24,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 07:48:24,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:48:24,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 07:48:24,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 07:48:24,237 INFO L87 Difference]: Start difference. First operand has 61 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 07:48:24,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:48:24,261 INFO L93 Difference]: Finished difference Result 115 states and 201 transitions. [2024-11-07 07:48:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 07:48:24,262 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 140 [2024-11-07 07:48:24,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:48:24,269 INFO L225 Difference]: With dead ends: 115 [2024-11-07 07:48:24,269 INFO L226 Difference]: Without dead ends: 57 [2024-11-07 07:48:24,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 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 07:48:24,274 INFO L432 NwaCegarLoop]: 85 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, 85 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 07:48:24,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 07:48:24,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-07 07:48:24,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-07 07:48:24,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 07:48:24,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 85 transitions. [2024-11-07 07:48:24,311 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 85 transitions. Word has length 140 [2024-11-07 07:48:24,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:48:24,311 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 85 transitions. [2024-11-07 07:48:24,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 07:48:24,311 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2024-11-07 07:48:24,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-07 07:48:24,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:48:24,317 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:48:24,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 07:48:24,317 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:48:24,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:48:24,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1672964574, now seen corresponding path program 1 times [2024-11-07 07:48:24,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:48:24,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916674088] [2024-11-07 07:48:24,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:48:24,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:48:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:28,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:48:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:28,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:48:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:28,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:48:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:28,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:48:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:28,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:48:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:28,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:48:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:28,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:48:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:28,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:48:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:28,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:48:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:28,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:48:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:28,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:48:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:28,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:48:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:28,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:48:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:28,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:48:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:28,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:48:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:28,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:48:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:28,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:48:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:28,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:48:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:28,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:48:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:28,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:48:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:28,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:48:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:28,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:48:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:28,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:48:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:28,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 07:48:28,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:48:28,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916674088] [2024-11-07 07:48:28,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916674088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:48:28,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:48:28,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 07:48:28,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741350418] [2024-11-07 07:48:28,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:48:28,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 07:48:28,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:48:28,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 07:48:28,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-07 07:48:28,270 INFO L87 Difference]: Start difference. First operand 57 states and 85 transitions. Second operand has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:48:29,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:48:29,149 INFO L93 Difference]: Finished difference Result 91 states and 126 transitions. [2024-11-07 07:48:29,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 07:48:29,150 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 140 [2024-11-07 07:48:29,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:48:29,152 INFO L225 Difference]: With dead ends: 91 [2024-11-07 07:48:29,152 INFO L226 Difference]: Without dead ends: 89 [2024-11-07 07:48:29,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-07 07:48:29,153 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 47 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 07:48:29,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 398 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 07:48:29,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-07 07:48:29,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 64. [2024-11-07 07:48:29,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 39 states have (on average 1.2307692307692308) internal successors, (48), 39 states have internal predecessors, (48), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 07:48:29,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 94 transitions. [2024-11-07 07:48:29,166 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 94 transitions. Word has length 140 [2024-11-07 07:48:29,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:48:29,167 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 94 transitions. [2024-11-07 07:48:29,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:48:29,167 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2024-11-07 07:48:29,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-07 07:48:29,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:48:29,170 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:48:29,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 07:48:29,170 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:48:29,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:48:29,171 INFO L85 PathProgramCache]: Analyzing trace with hash 102042788, now seen corresponding path program 1 times [2024-11-07 07:48:29,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:48:29,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926666525] [2024-11-07 07:48:29,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:48:29,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:48:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:29,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:48:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:29,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:48:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:29,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:48:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:29,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:48:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:29,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:48:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:29,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:48:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:29,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:48:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:29,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:48:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:29,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:48:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:29,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:48:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:29,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:48:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:29,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:48:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:29,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:48:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:29,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:48:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:29,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:48:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:29,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:48:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:29,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:48:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:29,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:48:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:29,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:48:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:29,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:48:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:29,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:48:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:29,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:48:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:29,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:48:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:29,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 07:48:29,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:48:29,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926666525] [2024-11-07 07:48:29,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926666525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:48:29,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:48:29,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 07:48:29,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902272091] [2024-11-07 07:48:29,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:48:29,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 07:48:29,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:48:29,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 07:48:29,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:48:29,356 INFO L87 Difference]: Start difference. First operand 64 states and 94 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:48:29,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:48:29,382 INFO L93 Difference]: Finished difference Result 181 states and 270 transitions. [2024-11-07 07:48:29,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 07:48:29,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 140 [2024-11-07 07:48:29,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:48:29,385 INFO L225 Difference]: With dead ends: 181 [2024-11-07 07:48:29,385 INFO L226 Difference]: Without dead ends: 120 [2024-11-07 07:48:29,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 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 07:48:29,386 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 40 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 07:48:29,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 173 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 07:48:29,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-07 07:48:29,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 118. [2024-11-07 07:48:29,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 69 states have (on average 1.2318840579710144) internal successors, (85), 69 states have internal predecessors, (85), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-07 07:48:29,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 177 transitions. [2024-11-07 07:48:29,400 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 177 transitions. Word has length 140 [2024-11-07 07:48:29,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:48:29,400 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 177 transitions. [2024-11-07 07:48:29,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:48:29,401 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 177 transitions. [2024-11-07 07:48:29,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-07 07:48:29,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:48:29,402 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:48:29,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 07:48:29,402 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:48:29,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:48:29,402 INFO L85 PathProgramCache]: Analyzing trace with hash 368606124, now seen corresponding path program 1 times [2024-11-07 07:48:29,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:48:29,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497607076] [2024-11-07 07:48:29,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:48:29,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:48:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:31,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:48:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:31,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:48:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:31,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:48:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:31,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:48:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:31,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:48:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:31,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:48:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:31,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:48:31,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:31,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:48:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:31,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:48:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:31,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:48:31,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:31,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:48:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:31,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:48:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:31,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:48:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:31,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:48:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:31,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:48:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:31,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:48:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:31,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:48:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:31,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:48:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:31,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:48:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:31,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:48:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:31,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:48:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:31,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:48:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:31,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:48:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:31,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 07:48:31,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:48:31,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497607076] [2024-11-07 07:48:31,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497607076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:48:31,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:48:31,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 07:48:31,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351008055] [2024-11-07 07:48:31,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:48:31,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 07:48:31,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:48:31,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 07:48:31,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-07 07:48:31,804 INFO L87 Difference]: Start difference. First operand 118 states and 177 transitions. Second operand has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:48:32,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:48:32,882 INFO L93 Difference]: Finished difference Result 200 states and 278 transitions. [2024-11-07 07:48:32,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 07:48:32,883 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 141 [2024-11-07 07:48:32,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:48:32,886 INFO L225 Difference]: With dead ends: 200 [2024-11-07 07:48:32,886 INFO L226 Difference]: Without dead ends: 198 [2024-11-07 07:48:32,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-07 07:48:32,887 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 103 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 07:48:32,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 555 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 07:48:32,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-07 07:48:32,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 159. [2024-11-07 07:48:32,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 104 states have (on average 1.25) internal successors, (130), 106 states have internal predecessors, (130), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-07 07:48:32,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 230 transitions. [2024-11-07 07:48:32,910 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 230 transitions. Word has length 141 [2024-11-07 07:48:32,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:48:32,910 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 230 transitions. [2024-11-07 07:48:32,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:48:32,911 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 230 transitions. [2024-11-07 07:48:32,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-07 07:48:32,913 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:48:32,913 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:48:32,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 07:48:32,913 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:48:32,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:48:32,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1048664494, now seen corresponding path program 1 times [2024-11-07 07:48:32,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:48:32,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790902724] [2024-11-07 07:48:32,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:48:32,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:48:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:34,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:48:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:34,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:48:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:34,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:48:34,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:34,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:48:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:34,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:48:34,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:34,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:48:34,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:34,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:48:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:34,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:48:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:34,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:48:34,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:34,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:48:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:34,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:48:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:34,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:48:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:34,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:48:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:34,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:48:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:34,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:48:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:34,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:48:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:34,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:48:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:34,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:48:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:34,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:48:34,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:34,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:48:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:34,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:48:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:34,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:48:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:34,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:48:34,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:34,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 07:48:34,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:48:34,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790902724] [2024-11-07 07:48:34,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790902724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:48:34,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:48:34,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 07:48:34,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75838520] [2024-11-07 07:48:34,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:48:34,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 07:48:34,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:48:34,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 07:48:34,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-07 07:48:34,977 INFO L87 Difference]: Start difference. First operand 159 states and 230 transitions. Second operand has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:48:35,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:48:35,782 INFO L93 Difference]: Finished difference Result 201 states and 281 transitions. [2024-11-07 07:48:35,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 07:48:35,782 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 141 [2024-11-07 07:48:35,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:48:35,784 INFO L225 Difference]: With dead ends: 201 [2024-11-07 07:48:35,785 INFO L226 Difference]: Without dead ends: 199 [2024-11-07 07:48:35,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-07 07:48:35,785 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 51 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 07:48:35,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 555 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 07:48:35,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-07 07:48:35,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 155. [2024-11-07 07:48:35,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 100 states have (on average 1.24) internal successors, (124), 102 states have internal predecessors, (124), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-07 07:48:35,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 224 transitions. [2024-11-07 07:48:35,800 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 224 transitions. Word has length 141 [2024-11-07 07:48:35,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:48:35,800 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 224 transitions. [2024-11-07 07:48:35,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:48:35,801 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 224 transitions. [2024-11-07 07:48:35,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-07 07:48:35,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:48:35,802 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:48:35,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 07:48:35,802 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:48:35,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:48:35,802 INFO L85 PathProgramCache]: Analyzing trace with hash -705617889, now seen corresponding path program 1 times [2024-11-07 07:48:35,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:48:35,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610024211] [2024-11-07 07:48:35,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:48:35,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:48:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:35,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:48:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:35,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:48:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:35,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:48:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:35,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:48:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:35,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:48:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:35,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:48:35,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:35,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:48:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:35,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:48:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:35,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:48:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:35,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:48:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:35,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:48:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:35,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:48:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:35,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:48:35,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:35,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:48:35,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:35,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:48:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:35,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:48:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:35,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:48:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:35,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:48:35,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:35,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:48:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:35,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:48:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:35,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:48:35,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:35,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:48:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:35,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:48:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:35,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 07:48:35,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:48:35,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610024211] [2024-11-07 07:48:35,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610024211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:48:35,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:48:35,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 07:48:35,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013493283] [2024-11-07 07:48:35,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:48:35,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 07:48:35,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:48:35,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 07:48:35,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:48:35,872 INFO L87 Difference]: Start difference. First operand 155 states and 224 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:48:35,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:48:35,892 INFO L93 Difference]: Finished difference Result 309 states and 447 transitions. [2024-11-07 07:48:35,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 07:48:35,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 141 [2024-11-07 07:48:35,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:48:35,894 INFO L225 Difference]: With dead ends: 309 [2024-11-07 07:48:35,894 INFO L226 Difference]: Without dead ends: 157 [2024-11-07 07:48:35,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 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 07:48:35,895 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 1 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 07:48:35,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 154 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 07:48:35,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-07 07:48:35,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 155. [2024-11-07 07:48:35,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 100 states have (on average 1.2) internal successors, (120), 102 states have internal predecessors, (120), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-07 07:48:35,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 220 transitions. [2024-11-07 07:48:35,919 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 220 transitions. Word has length 141 [2024-11-07 07:48:35,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:48:35,919 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 220 transitions. [2024-11-07 07:48:35,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:48:35,920 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 220 transitions. [2024-11-07 07:48:35,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-07 07:48:35,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:48:35,921 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:48:35,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 07:48:35,921 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:48:35,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:48:35,921 INFO L85 PathProgramCache]: Analyzing trace with hash -348586856, now seen corresponding path program 1 times [2024-11-07 07:48:35,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:48:35,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330855810] [2024-11-07 07:48:35,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:48:35,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:48:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:39,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:48:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:39,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:48:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:39,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:48:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:39,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:48:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:39,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:48:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:39,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:48:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:39,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:48:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:39,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:48:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:39,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:48:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:39,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:48:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:39,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:48:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:39,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:48:39,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:39,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:48:39,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:39,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:48:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:39,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:48:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:39,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:48:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:39,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:48:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:39,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:48:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:39,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:48:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:39,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:48:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:39,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:48:39,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:39,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:48:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:39,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:48:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:39,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 07:48:39,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:48:39,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330855810] [2024-11-07 07:48:39,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330855810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:48:39,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:48:39,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 07:48:39,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455931438] [2024-11-07 07:48:39,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:48:39,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 07:48:39,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:48:39,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 07:48:39,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-07 07:48:39,175 INFO L87 Difference]: Start difference. First operand 155 states and 220 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:48:40,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:48:40,240 INFO L93 Difference]: Finished difference Result 180 states and 245 transitions. [2024-11-07 07:48:40,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 07:48:40,241 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 142 [2024-11-07 07:48:40,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:48:40,244 INFO L225 Difference]: With dead ends: 180 [2024-11-07 07:48:40,244 INFO L226 Difference]: Without dead ends: 178 [2024-11-07 07:48:40,244 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-11-07 07:48:40,244 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 47 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 07:48:40,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 467 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 07:48:40,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-07 07:48:40,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 157. [2024-11-07 07:48:40,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 102 states have (on average 1.2058823529411764) internal successors, (123), 104 states have internal predecessors, (123), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-07 07:48:40,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 223 transitions. [2024-11-07 07:48:40,258 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 223 transitions. Word has length 142 [2024-11-07 07:48:40,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:48:40,258 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 223 transitions. [2024-11-07 07:48:40,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:48:40,259 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 223 transitions. [2024-11-07 07:48:40,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-07 07:48:40,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:48:40,260 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:48:40,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 07:48:40,260 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:48:40,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:48:40,260 INFO L85 PathProgramCache]: Analyzing trace with hash -346739814, now seen corresponding path program 1 times [2024-11-07 07:48:40,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:48:40,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046631047] [2024-11-07 07:48:40,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:48:40,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:48:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:48,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:48:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:48,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:48:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:48,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:48:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:48,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:48:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:48,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:48:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:48,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:48:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:48,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:48:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:48,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:48:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:48,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:48:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:48,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:48:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:48,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:48:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:48,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:48:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:48,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:48:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:48,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:48:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:48,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:48:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:48,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:48:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:48,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:48:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:48,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:48:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:48,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:48:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:48,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:48:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:48,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:48:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:48,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:48:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:48,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:48:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:48,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 07:48:48,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:48:48,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046631047] [2024-11-07 07:48:48,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046631047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:48:48,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:48:48,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 07:48:48,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824201963] [2024-11-07 07:48:48,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:48:48,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 07:48:48,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:48:48,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 07:48:48,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-07 07:48:48,257 INFO L87 Difference]: Start difference. First operand 157 states and 223 transitions. Second operand has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:48:49,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:48:49,865 INFO L93 Difference]: Finished difference Result 171 states and 236 transitions. [2024-11-07 07:48:49,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 07:48:49,866 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 142 [2024-11-07 07:48:49,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:48:49,867 INFO L225 Difference]: With dead ends: 171 [2024-11-07 07:48:49,867 INFO L226 Difference]: Without dead ends: 169 [2024-11-07 07:48:49,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2024-11-07 07:48:49,868 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 67 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 07:48:49,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 401 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 07:48:49,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-07 07:48:49,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 157. [2024-11-07 07:48:49,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 102 states have (on average 1.2058823529411764) internal successors, (123), 104 states have internal predecessors, (123), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-07 07:48:49,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 223 transitions. [2024-11-07 07:48:49,886 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 223 transitions. Word has length 142 [2024-11-07 07:48:49,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:48:49,886 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 223 transitions. [2024-11-07 07:48:49,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:48:49,888 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 223 transitions. [2024-11-07 07:48:49,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-07 07:48:49,888 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:48:49,889 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:48:49,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 07:48:49,889 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:48:49,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:48:49,889 INFO L85 PathProgramCache]: Analyzing trace with hash 331471514, now seen corresponding path program 1 times [2024-11-07 07:48:49,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:48:49,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196826420] [2024-11-07 07:48:49,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:48:49,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:48:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:52,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:48:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:52,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:48:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:52,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:48:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:52,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:48:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:52,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:48:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:52,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:48:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:52,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:48:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:52,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:48:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:52,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:48:52,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:52,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:48:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:52,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:48:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:52,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:48:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:52,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:48:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:52,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:48:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:52,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:48:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:52,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:48:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:52,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:48:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:52,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:48:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:52,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:48:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:52,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:48:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:52,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:48:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:52,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:48:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:52,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:48:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:52,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 07:48:52,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:48:52,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196826420] [2024-11-07 07:48:52,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196826420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:48:52,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:48:52,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 07:48:52,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971358327] [2024-11-07 07:48:52,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:48:52,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 07:48:52,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:48:52,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 07:48:52,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-07 07:48:52,227 INFO L87 Difference]: Start difference. First operand 157 states and 223 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:48:52,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:48:52,857 INFO L93 Difference]: Finished difference Result 189 states and 255 transitions. [2024-11-07 07:48:52,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 07:48:52,858 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 142 [2024-11-07 07:48:52,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:48:52,860 INFO L225 Difference]: With dead ends: 189 [2024-11-07 07:48:52,860 INFO L226 Difference]: Without dead ends: 187 [2024-11-07 07:48:52,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-07 07:48:52,861 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 36 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 07:48:52,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 423 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 07:48:52,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-07 07:48:52,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 160. [2024-11-07 07:48:52,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 105 states have (on average 1.2) internal successors, (126), 107 states have internal predecessors, (126), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-07 07:48:52,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 226 transitions. [2024-11-07 07:48:52,875 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 226 transitions. Word has length 142 [2024-11-07 07:48:52,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:48:52,875 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 226 transitions. [2024-11-07 07:48:52,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:48:52,875 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 226 transitions. [2024-11-07 07:48:52,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-07 07:48:52,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:48:52,876 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:48:52,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 07:48:52,877 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:48:52,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:48:52,877 INFO L85 PathProgramCache]: Analyzing trace with hash 333318556, now seen corresponding path program 1 times [2024-11-07 07:48:52,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:48:52,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400379240] [2024-11-07 07:48:52,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:48:52,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:48:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:59,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:48:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:59,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:48:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:59,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:48:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:59,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:48:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:59,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:48:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:59,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:48:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:59,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:48:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:59,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:48:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:59,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:48:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:59,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:48:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:59,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:48:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:59,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:48:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:59,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:48:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:59,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:48:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:59,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:48:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:59,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:48:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:59,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:48:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:59,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:48:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:59,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:48:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:59,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:48:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:59,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:48:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:59,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:48:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:59,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:48:59,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:48:59,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 07:48:59,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:48:59,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400379240] [2024-11-07 07:48:59,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400379240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:48:59,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:48:59,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 07:48:59,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719401902] [2024-11-07 07:48:59,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:48:59,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 07:48:59,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:48:59,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 07:48:59,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-07 07:48:59,886 INFO L87 Difference]: Start difference. First operand 160 states and 226 transitions. Second operand has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:49:01,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:49:01,625 INFO L93 Difference]: Finished difference Result 176 states and 241 transitions. [2024-11-07 07:49:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 07:49:01,626 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 142 [2024-11-07 07:49:01,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:49:01,627 INFO L225 Difference]: With dead ends: 176 [2024-11-07 07:49:01,627 INFO L226 Difference]: Without dead ends: 174 [2024-11-07 07:49:01,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-07 07:49:01,628 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 13 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 07:49:01,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 594 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 07:49:01,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-07 07:49:01,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 155. [2024-11-07 07:49:01,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 100 states have (on average 1.19) internal successors, (119), 102 states have internal predecessors, (119), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-07 07:49:01,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 219 transitions. [2024-11-07 07:49:01,640 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 219 transitions. Word has length 142 [2024-11-07 07:49:01,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:49:01,640 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 219 transitions. [2024-11-07 07:49:01,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:49:01,641 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 219 transitions. [2024-11-07 07:49:01,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-07 07:49:01,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:49:01,642 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:49:01,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 07:49:01,642 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:49:01,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:49:01,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1199200350, now seen corresponding path program 1 times [2024-11-07 07:49:01,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:49:01,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79193879] [2024-11-07 07:49:01,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:49:01,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:49:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:02,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:49:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:02,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:49:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:02,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:49:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:02,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:49:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:02,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:49:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:02,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:49:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:02,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:49:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:02,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:49:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:02,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:49:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:02,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:49:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:02,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:49:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:02,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:49:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:02,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:49:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:02,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:49:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:02,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:49:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:02,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:49:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:02,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:49:02,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:02,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:49:02,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:02,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:49:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:02,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:49:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:02,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:49:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:02,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:49:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:02,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:49:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:02,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 07:49:02,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:49:02,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79193879] [2024-11-07 07:49:02,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79193879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:49:02,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:49:02,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 07:49:02,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613331477] [2024-11-07 07:49:02,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:49:02,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 07:49:02,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:49:02,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 07:49:02,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-07 07:49:02,737 INFO L87 Difference]: Start difference. First operand 155 states and 219 transitions. Second operand has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:49:03,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:49:03,057 INFO L93 Difference]: Finished difference Result 246 states and 322 transitions. [2024-11-07 07:49:03,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 07:49:03,057 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 143 [2024-11-07 07:49:03,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:49:03,059 INFO L225 Difference]: With dead ends: 246 [2024-11-07 07:49:03,059 INFO L226 Difference]: Without dead ends: 244 [2024-11-07 07:49:03,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-07 07:49:03,060 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 158 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 07:49:03,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 514 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 07:49:03,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-07 07:49:03,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 163. [2024-11-07 07:49:03,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 108 states have (on average 1.212962962962963) internal successors, (131), 110 states have internal predecessors, (131), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-07 07:49:03,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 231 transitions. [2024-11-07 07:49:03,071 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 231 transitions. Word has length 143 [2024-11-07 07:49:03,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:49:03,072 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 231 transitions. [2024-11-07 07:49:03,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:49:03,072 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 231 transitions. [2024-11-07 07:49:03,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-07 07:49:03,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:49:03,073 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:49:03,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 07:49:03,073 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:49:03,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:49:03,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1197353308, now seen corresponding path program 1 times [2024-11-07 07:49:03,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:49:03,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423373745] [2024-11-07 07:49:03,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:49:03,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:49:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:04,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:49:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:04,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:49:04,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:04,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:49:04,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:04,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:49:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:04,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:49:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:04,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:49:04,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:04,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:49:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:04,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:49:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:04,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:49:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:04,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:49:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:04,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:49:04,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:04,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:49:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:04,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:49:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:04,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:49:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:04,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:49:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:04,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:49:04,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:04,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:49:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:04,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:49:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:04,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:49:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:04,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:49:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:04,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:49:04,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:04,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:49:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:04,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:49:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:04,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 07:49:04,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:49:04,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423373745] [2024-11-07 07:49:04,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423373745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:49:04,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:49:04,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 07:49:04,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599056562] [2024-11-07 07:49:04,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:49:04,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 07:49:04,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:49:04,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 07:49:04,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-07 07:49:04,718 INFO L87 Difference]: Start difference. First operand 163 states and 231 transitions. Second operand has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:49:05,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:49:05,379 INFO L93 Difference]: Finished difference Result 234 states and 309 transitions. [2024-11-07 07:49:05,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 07:49:05,379 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 143 [2024-11-07 07:49:05,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:49:05,381 INFO L225 Difference]: With dead ends: 234 [2024-11-07 07:49:05,381 INFO L226 Difference]: Without dead ends: 232 [2024-11-07 07:49:05,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2024-11-07 07:49:05,382 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 126 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 07:49:05,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 592 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 07:49:05,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-07 07:49:05,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 163. [2024-11-07 07:49:05,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 108 states have (on average 1.212962962962963) internal successors, (131), 110 states have internal predecessors, (131), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-07 07:49:05,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 231 transitions. [2024-11-07 07:49:05,400 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 231 transitions. Word has length 143 [2024-11-07 07:49:05,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:49:05,400 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 231 transitions. [2024-11-07 07:49:05,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:49:05,400 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 231 transitions. [2024-11-07 07:49:05,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-07 07:49:05,402 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:49:05,403 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:49:05,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 07:49:05,403 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:49:05,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:49:05,403 INFO L85 PathProgramCache]: Analyzing trace with hash -519141980, now seen corresponding path program 1 times [2024-11-07 07:49:05,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:49:05,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827748228] [2024-11-07 07:49:05,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:49:05,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:49:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:06,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:49:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:06,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:49:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:06,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:49:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:06,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:49:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:06,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:49:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:06,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:49:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:06,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:49:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:06,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:49:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:06,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:49:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:06,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:49:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:06,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:49:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:06,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:49:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:06,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:49:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:06,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:49:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:06,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:49:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:06,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:49:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:06,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:49:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:06,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:49:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:06,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:49:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:06,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:49:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:06,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:49:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:06,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:49:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:06,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:49:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:06,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 07:49:06,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:49:06,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827748228] [2024-11-07 07:49:06,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827748228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:49:06,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:49:06,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 07:49:06,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194556875] [2024-11-07 07:49:06,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:49:06,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 07:49:06,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:49:06,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 07:49:06,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-07 07:49:06,855 INFO L87 Difference]: Start difference. First operand 163 states and 231 transitions. Second operand has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:49:07,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:49:07,264 INFO L93 Difference]: Finished difference Result 239 states and 315 transitions. [2024-11-07 07:49:07,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 07:49:07,264 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 143 [2024-11-07 07:49:07,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:49:07,266 INFO L225 Difference]: With dead ends: 239 [2024-11-07 07:49:07,266 INFO L226 Difference]: Without dead ends: 237 [2024-11-07 07:49:07,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2024-11-07 07:49:07,267 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 100 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 07:49:07,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 548 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 07:49:07,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-07 07:49:07,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 174. [2024-11-07 07:49:07,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 119 states have (on average 1.218487394957983) internal successors, (145), 121 states have internal predecessors, (145), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-07 07:49:07,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 245 transitions. [2024-11-07 07:49:07,280 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 245 transitions. Word has length 143 [2024-11-07 07:49:07,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:49:07,280 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 245 transitions. [2024-11-07 07:49:07,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:49:07,281 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 245 transitions. [2024-11-07 07:49:07,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-07 07:49:07,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:49:07,281 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:49:07,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 07:49:07,282 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:49:07,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:49:07,282 INFO L85 PathProgramCache]: Analyzing trace with hash -517294938, now seen corresponding path program 1 times [2024-11-07 07:49:07,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:49:07,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994764131] [2024-11-07 07:49:07,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:49:07,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:49:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:08,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:49:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:08,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:49:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:08,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:49:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:08,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:49:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:08,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:49:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:08,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:49:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:08,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:49:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:08,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:49:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:08,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:49:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:08,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:49:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:08,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:49:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:08,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:49:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:08,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:49:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:08,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:49:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:08,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:49:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:08,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:49:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:08,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:49:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:08,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:49:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:08,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:49:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:08,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:49:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:08,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:49:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:08,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:49:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:08,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:49:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:08,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 07:49:08,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:49:08,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994764131] [2024-11-07 07:49:08,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994764131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:49:08,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:49:08,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 07:49:08,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272138123] [2024-11-07 07:49:08,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:49:08,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 07:49:08,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:49:08,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 07:49:08,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-07 07:49:08,336 INFO L87 Difference]: Start difference. First operand 174 states and 245 transitions. Second operand has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:49:08,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:49:08,572 INFO L93 Difference]: Finished difference Result 238 states and 313 transitions. [2024-11-07 07:49:08,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 07:49:08,572 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 143 [2024-11-07 07:49:08,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:49:08,574 INFO L225 Difference]: With dead ends: 238 [2024-11-07 07:49:08,575 INFO L226 Difference]: Without dead ends: 236 [2024-11-07 07:49:08,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-07 07:49:08,579 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 83 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 07:49:08,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 515 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 07:49:08,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-07 07:49:08,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 172. [2024-11-07 07:49:08,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 117 states have (on average 1.2136752136752136) internal successors, (142), 119 states have internal predecessors, (142), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-07 07:49:08,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 242 transitions. [2024-11-07 07:49:08,594 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 242 transitions. Word has length 143 [2024-11-07 07:49:08,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:49:08,594 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 242 transitions. [2024-11-07 07:49:08,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:49:08,595 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 242 transitions. [2024-11-07 07:49:08,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-07 07:49:08,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:49:08,596 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:49:08,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 07:49:08,596 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:49:08,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:49:08,596 INFO L85 PathProgramCache]: Analyzing trace with hash -498135772, now seen corresponding path program 1 times [2024-11-07 07:49:08,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:49:08,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145130182] [2024-11-07 07:49:08,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:49:08,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:49:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:12,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:49:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:12,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:49:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:12,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:49:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:12,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:49:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:12,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:49:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:12,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:49:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:12,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:49:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:12,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:49:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:12,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:49:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:12,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:49:12,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:12,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:49:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:12,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:49:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:12,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:49:12,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:12,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:49:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:12,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:49:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:12,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:49:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:12,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:49:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:12,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:49:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:12,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:49:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:12,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:49:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:12,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:49:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:12,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:49:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:12,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:49:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:12,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 07:49:12,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:49:12,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145130182] [2024-11-07 07:49:12,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145130182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:49:12,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:49:12,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 07:49:12,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706267349] [2024-11-07 07:49:12,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:49:12,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 07:49:12,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:49:12,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 07:49:12,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-07 07:49:12,849 INFO L87 Difference]: Start difference. First operand 172 states and 242 transitions. Second operand has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:49:14,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:49:14,965 INFO L93 Difference]: Finished difference Result 209 states and 280 transitions. [2024-11-07 07:49:14,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 07:49:14,966 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 143 [2024-11-07 07:49:14,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:49:14,967 INFO L225 Difference]: With dead ends: 209 [2024-11-07 07:49:14,967 INFO L226 Difference]: Without dead ends: 207 [2024-11-07 07:49:14,968 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2024-11-07 07:49:14,969 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 47 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 07:49:14,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 526 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 07:49:14,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-07 07:49:14,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 174. [2024-11-07 07:49:14,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 119 states have (on average 1.218487394957983) internal successors, (145), 121 states have internal predecessors, (145), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-07 07:49:14,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 245 transitions. [2024-11-07 07:49:14,986 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 245 transitions. Word has length 143 [2024-11-07 07:49:14,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:49:14,986 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 245 transitions. [2024-11-07 07:49:14,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:49:14,986 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 245 transitions. [2024-11-07 07:49:14,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-07 07:49:14,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:49:14,987 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:49:14,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 07:49:14,987 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:49:14,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:49:14,987 INFO L85 PathProgramCache]: Analyzing trace with hash -496288730, now seen corresponding path program 1 times [2024-11-07 07:49:14,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:49:14,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730139380] [2024-11-07 07:49:14,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:49:14,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:49:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:19,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:49:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:19,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:49:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:19,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:49:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:19,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:49:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:19,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:49:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:19,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:49:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:19,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:49:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:19,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:49:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:19,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:49:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:19,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:49:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:19,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:49:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:19,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:49:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:19,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:49:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:19,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:49:19,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:19,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:49:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:19,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:49:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:19,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:49:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:19,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:49:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:19,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:49:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:19,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:49:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:19,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:49:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:19,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:49:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:19,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:49:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:19,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 07:49:19,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:49:19,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730139380] [2024-11-07 07:49:19,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730139380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:49:19,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:49:19,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-07 07:49:19,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366167494] [2024-11-07 07:49:19,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:49:19,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 07:49:19,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:49:19,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 07:49:19,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-07 07:49:19,303 INFO L87 Difference]: Start difference. First operand 174 states and 245 transitions. Second operand has 14 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 14 states have internal predecessors, (31), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 07:49:21,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:49:21,882 INFO L93 Difference]: Finished difference Result 313 states and 440 transitions. [2024-11-07 07:49:21,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 07:49:21,883 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 14 states have internal predecessors, (31), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 143 [2024-11-07 07:49:21,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:49:21,885 INFO L225 Difference]: With dead ends: 313 [2024-11-07 07:49:21,885 INFO L226 Difference]: Without dead ends: 311 [2024-11-07 07:49:21,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=165, Invalid=435, Unknown=0, NotChecked=0, Total=600 [2024-11-07 07:49:21,885 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 97 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-07 07:49:21,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 498 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-07 07:49:21,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-11-07 07:49:21,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 297. [2024-11-07 07:49:21,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 190 states have (on average 1.2052631578947368) internal successors, (229), 193 states have internal predecessors, (229), 98 states have call successors, (98), 8 states have call predecessors, (98), 8 states have return successors, (98), 95 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-07 07:49:21,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 425 transitions. [2024-11-07 07:49:21,910 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 425 transitions. Word has length 143 [2024-11-07 07:49:21,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:49:21,910 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 425 transitions. [2024-11-07 07:49:21,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 14 states have internal predecessors, (31), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-07 07:49:21,911 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 425 transitions. [2024-11-07 07:49:21,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-07 07:49:21,911 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:49:21,911 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:49:21,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 07:49:21,912 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:49:21,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:49:21,912 INFO L85 PathProgramCache]: Analyzing trace with hash 181922598, now seen corresponding path program 1 times [2024-11-07 07:49:21,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:49:21,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265550485] [2024-11-07 07:49:21,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:49:21,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:49:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:25,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:49:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:25,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:49:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:25,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:49:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:25,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:49:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:25,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:49:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:25,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:49:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:25,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:49:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:25,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:49:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:25,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:49:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:25,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:49:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:25,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:49:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:25,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:49:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:25,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:49:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:25,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:49:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:25,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:49:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:25,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:49:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:25,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:49:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:25,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:49:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:25,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:49:25,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:25,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:49:25,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:25,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:49:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:25,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:49:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:25,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:49:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:25,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 07:49:25,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:49:25,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265550485] [2024-11-07 07:49:25,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265550485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:49:25,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:49:25,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 07:49:25,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894043027] [2024-11-07 07:49:25,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:49:25,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 07:49:25,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:49:25,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 07:49:25,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-07 07:49:25,043 INFO L87 Difference]: Start difference. First operand 297 states and 425 transitions. Second operand has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:49:29,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:49:29,311 INFO L93 Difference]: Finished difference Result 358 states and 491 transitions. [2024-11-07 07:49:29,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 07:49:29,312 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 143 [2024-11-07 07:49:29,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:49:29,315 INFO L225 Difference]: With dead ends: 358 [2024-11-07 07:49:29,315 INFO L226 Difference]: Without dead ends: 356 [2024-11-07 07:49:29,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-07 07:49:29,316 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 19 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 07:49:29,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 569 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 07:49:29,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-07 07:49:29,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 296. [2024-11-07 07:49:29,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 189 states have (on average 1.1957671957671958) internal successors, (226), 192 states have internal predecessors, (226), 98 states have call successors, (98), 8 states have call predecessors, (98), 8 states have return successors, (98), 95 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-07 07:49:29,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 422 transitions. [2024-11-07 07:49:29,348 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 422 transitions. Word has length 143 [2024-11-07 07:49:29,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:49:29,348 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 422 transitions. [2024-11-07 07:49:29,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:49:29,348 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 422 transitions. [2024-11-07 07:49:29,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-07 07:49:29,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:49:29,349 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:49:29,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 07:49:29,349 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:49:29,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:49:29,350 INFO L85 PathProgramCache]: Analyzing trace with hash 183769640, now seen corresponding path program 1 times [2024-11-07 07:49:29,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:49:29,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564089574] [2024-11-07 07:49:29,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:49:29,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:49:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:32,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:49:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:32,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:49:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:32,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:49:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:32,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:49:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:32,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:49:32,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:32,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:49:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:32,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:49:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:32,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:49:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:32,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:49:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:32,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:49:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:32,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:49:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:32,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:49:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:32,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:49:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:32,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:49:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:32,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:49:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:32,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:49:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:32,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:49:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:32,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:49:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:32,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:49:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:32,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:49:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:32,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:49:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:32,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:49:32,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:32,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:49:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:32,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 07:49:32,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:49:32,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564089574] [2024-11-07 07:49:32,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564089574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:49:32,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:49:32,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 07:49:32,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167431610] [2024-11-07 07:49:32,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:49:32,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 07:49:32,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:49:32,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 07:49:32,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-07 07:49:32,611 INFO L87 Difference]: Start difference. First operand 296 states and 422 transitions. Second operand has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:49:33,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:49:33,971 INFO L93 Difference]: Finished difference Result 298 states and 423 transitions. [2024-11-07 07:49:33,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 07:49:33,972 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 143 [2024-11-07 07:49:33,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:49:33,974 INFO L225 Difference]: With dead ends: 298 [2024-11-07 07:49:33,974 INFO L226 Difference]: Without dead ends: 296 [2024-11-07 07:49:33,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-11-07 07:49:33,974 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 54 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 07:49:33,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 389 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 07:49:33,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-07 07:49:33,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 286. [2024-11-07 07:49:33,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 179 states have (on average 1.1843575418994414) internal successors, (212), 182 states have internal predecessors, (212), 98 states have call successors, (98), 8 states have call predecessors, (98), 8 states have return successors, (98), 95 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-07 07:49:33,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 408 transitions. [2024-11-07 07:49:33,995 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 408 transitions. Word has length 143 [2024-11-07 07:49:33,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:49:33,995 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 408 transitions. [2024-11-07 07:49:33,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-07 07:49:33,995 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 408 transitions. [2024-11-07 07:49:33,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-07 07:49:33,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:49:33,997 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:49:33,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 07:49:33,997 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:49:33,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:49:33,998 INFO L85 PathProgramCache]: Analyzing trace with hash -2018225982, now seen corresponding path program 1 times [2024-11-07 07:49:33,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:49:33,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895990942] [2024-11-07 07:49:33,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:49:33,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:49:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:49:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:49:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:49:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:49:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:49:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:49:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:49:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:49:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:49:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:49:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 07:49:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:49:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 07:49:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:49:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 07:49:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:49:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:49:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:49:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:49:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:49:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 07:49:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:49:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 07:49:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 07:49:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 07:49:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 07:49:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 07:49:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 07:49:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-07 07:49:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 07:49:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-07 07:49:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 07:49:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-07 07:49:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-07 07:49:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-07 07:49:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 07:49:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 07:49:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 07:49:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 07:49:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-07 07:49:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 07:49:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-07 07:49:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 07:49:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 07:49:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 07:49:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 07:49:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,177 INFO L134 CoverageAnalysis]: Checked inductivity of 4184 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-07 07:49:35,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:49:35,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895990942] [2024-11-07 07:49:35,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895990942] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 07:49:35,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992131022] [2024-11-07 07:49:35,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:49:35,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 07:49:35,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 07:49:35,179 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 07:49:35,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 07:49:35,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:49:35,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 07:49:35,296 INFO L278 TraceCheckSpWp]: Computing forward predicates...